PENINSULA GEOLOGICAL SOCIETY

Listing of speakers and presentation titles since 1954

Compiled by George Moore and Mike Diggles

• December 2, 1954, meeting no. 1
• Adolph Knopf - Bathyliths in Time

• January 6, 1955, meeting no. 2
• Donald E. White - Isotopes with Application to Geothermometry and Origin of Hot Springs
• Arthur D. Howard - Till Isopleth Maps

• February 3, 1955, meeting no. 3
• Arthur H. Lachenbruch - Seasonal Temperature Variations in Frozen Ground
• E. Dale Jackson - Textural Relations of Crystal Accumulates in the Ultramafic Zone of the Stillwater Complex, Montana
• Darwin L. Rossman - Layered Basic Intrusive, Fairweather Range, Southwestern Alaska
• Charles J. Kundert - State Geological Maps of California

• March 3, 1955, meeting no. 4
• William F. Barbat - Petroleum Geology of the Los Angeles Basin
• Sheldon Judson - Form and Pattern of Some Valleys in the Driftless Area, Wisconsin
• J.F. Poland - Land Subsidence in California
• Oliver E. Bowen - Economic Geology of some Hydrothermally Altered Volcanic Rocks in California
• W.C. Bradley - Marine Terraces and Sedimentation
• Lorin D. Clark - Genetic Significance of the Rocks of the Franciscan

• April 7, 1955, meeting no. 5
• W. Porter Irwin - Distribution and Lithology of the Franciscan

• May 5, 1955, meeting no. 6
• George Cleveland - Some Aspects of the Biogeochemistry of Molybdenum

• October 6, 1955, meeting no. 7
• Eliot Blackwelder - The Scientific Attitude in World Affairs

• November 3, 1955, meeting no. 8
• Charles W. Chesterman - Geologic relationships of Jadite and Nephrite in California
• Samuel Katz - Crustal Structure from Seismic-Refraction Measurements
• C.L. Sainsbury - Geochemical Exploration for Antimony in Southeast Alaska

• December 5, 1955, meeting no. 9
• Donald E. White - Description and Exhibit of a Geothermograph
• Stanley N. Davis - The Two-fold Division of the Illinoian Stage of Glaciation
• Gordon B. Oakeshott - Geologic Structure of the San Fernando Quadrangle, San Gabriel Mountains, California
• C.J. Banwell - Exploration of the Wairakei Thermal Area, New Zealand

• January 5, 1956, meeting no. 10
• N. King Huber - Environmental Control of Sedimentary Iron Mineral Formation
• Fred L. Humphrey - Structural Evolution of the White Pine Range, Nevada
• William G. Pierce - Mode of Emplacement of the Heart Mountain Thrust Masses in Northwestern Wyoming

• February 2, 1956, meeting no. 11
• Clyde Wahrhaftig (with Alan Cox) - Rock Glaciers in the Alaska Range
• John W. Harbaugh - Paleozoic Reefs in the Klamath Region
• Charles Meyer - The Copper-Molybdenum Association in "Intermediate" Rocks

• March 1, 1956, meeting no. 12
• Joshua L. Soske - A Common Cause of Failure of Refraction Surveys
• David M. Hopkins - Pleistocene Climates and the Bering Sea Land Bridge
• Howel Williams - The Myth of the Sudbury Lopolith

• April 5, 1956, meeting no. 13
• S. Cyrus Creasey - Basin and Range Structures of Central Arizona and Relations to the Colorado Plateau
• Richard M. Foose - Ground-Water Behavior of the Hershey Valley, Pennsylvania
• Warren C. Thompson - Origin of the Historic Marine Delta of the Atchafalaya River, Louisiana

• May 3, 1956, meeting no. 14
• Adolph Knopf - The Boulder Bathylith of Montana

• October 4, 1956, meeting no. 15
• Lamoraal U. de Sitter - Types of Folding in Mountain-Building Processes

• November 1, 1956, meeting no. 16
• Paul C. Bateman - Characteristics of Some Eastern Sierra Granites
• W. Earl Bell - The Nuclear Resonance Magnetometer
• Arthur D. Howard - Uranium Prospecting in Central Montana

• December 6, 1956, meeting no. 17
• Olaf Holtedahl - Supposed Recent Submarine Movements in the Peripheral Zone of Scandinavia

• January 3, 1957, meeting no. 18
• Joseph J. Graham - Review of Petroleum Possibilities of the Philippine Islands
• Robert A. Terry - Some Tectonic Problems of the Isthmian Region
• Donald E. White - Isotope Geology of Water and Carbonates of the Steamboat Springs Area, Nevada

• February 7, 1956, meeting no. 19
• Robert L. Rose - Geology of the May Lake Area, Yosemite Park
• John Verhoogen - Paleomagnetism and Continental Drift

• March 7, 1957, meeting no. 20
• Jon C. Cummings - The Geology of the Northern Santa Cruz Mountains(A Progress Report
• Donald E. Lee - An Andradite-Spessartite Garnet from Pajsberg, Sweden
• Joseph M. Hoare - Stratigraphy and Structure of the Lower Kuskokwim Region, Alaska

• April 4, 1957, meeting no. 21
• Lionel E. Weiss - Geometrical Features of Superposed Folds
• Allan B. Griggs - Pattern of Ore-Deposit Distribution in the Coeur d'Alene District
• Robert E. Wallace - Tectonic Setting of the Coeur d'Alene District

• May 2, 1957, meeting no. 22
• Chester R. Longwell - Structural Problems near Las Vegas, Nevada

• October 10, 1957, meeting no. 23 The San Francisco Earthquake of 1957
• Gordon B. Oakeshott - San Andreas Fault Zone
• M.G. Bonilla - Geology of the Epicentral Area
• Don Tocher - Seismology
• Karl V. Steinbrugge - Structural Damage
• William K. Cloud - Strong-Motion Records

• November 14, 1957, meeting no. 24
• James G. Moore - Zonation of Igneous Rocks in California and the Western United States
• Garniss H. Curtis - Structural Implications of K-Ar Age Determinations in California
• Edgar H. Bailey - Coast Range Structural History Inferred from K-Feldspar Studies of Mesozoic Graywackes

• December 5, 1957, meeting no. 25
• Thomas W. Dibblee, Jr. - General Geologic Features of the Western Mojave Desert
• Don R. Mabey - Gravimetric Survey of the Western Mojave
• Thomas W. Dibblee, Jr. - Geologic Details of the Western Mojave

• January 9, 1958, meeting no. 26
• Ted Bear - Tectonics of the Central Valley of California
• Philip B. King - Structure of the Southern Appalachian Mountains
• Stirton R.A. - Continental Stratigraphy and Tertiary Mammals in Australia

• February 6, 1958, meeting no. 27
• Stanley N. Davis - Glaciated Peaks of the Northern Coast Ranges, California
• Benjamin H. Burma - Significance of Cretaceous Correlations of the Western Interior Basin, USA
• H.B.S. Cooke - Some Aspects of the Precambrian in South Africa

• March 6, 1958, meeting no. 28
• Tatsuro Matsumoto - Upper Cretaceous Ammonites of California
• E. Göksu - Chromite Deposits in Turkey
• Martin F. Kane - Gravity Survey of Southern Owens Valley

• April 10, 1958, meeting no. 29 Stratigraphy of Humboldt County, Nevada and its Interpretation
• Preston E. Hotz - Paleozoic Sedimentary Rocks, Osgood Quadrangle
• Robert R. Compton - Mesozoic Sedimentary Rocks, Santa Rosa Mountains
• C. Ronald Willden - Regional Relations of Mesozoic and Paleozoic Rocks

• May 1, 1958, meeting no. 30
• D. Foster Hewett - The Manganese Oxide Minerals

• October 9, 1958, meeting no. 31
• Don J. Miller - Giant Waves in Lituya Bay, Alaska, July 1958 Land Subsidence in Western Fresno County, California
• William B. Bull - Land Subsidence in Unsaturated Alluvial-Fan Sediments, Western Fresno County, California
• Robert H. Meade - Land Subsidence in Saturated Late Cenozoic Sediments, Western Fresno County

• November 13, 1958, meeting no. 32
• George I. Smith - Composition and Stratigraphy of Searles Lake, California
• David G. Willis - Kinematic Interpretation of Fabric
• Francis J. Turner - Comments on the Kinematic Interpretation of Rock Fabrics

• December 11, 1958, meeting no. 33
• Wayne E. Hall - Structure of the Northern Panamint Range and the Problem of the Monolithic Braccias
• Richard L. Hay - Marine and Littoral Sediments Derived from Crystal-Rich Glowing Avalanche Deposits of St. Vincent
• William R. Dickinson - Clastic Marine Strata of Volcanic Derivation in the Central Oregon Mesozoic

• January 8, 1959, meeting no. 34
• Salem J. Rice - Nickeliferous Laterite in Northern California
• S. Cyrus Creasey - Hydrothermal Alteration Associated with Porphyry Copper Deposits (I)
• Charles Meyer - Hydrothermal Alteration Associated with Porphyry Copper Deposits (II)

• February 5, 1959, meeting no. 35
• Thomas S. Lovering - Deposition of Sulfide Ores from Sulfide Deficient Solutions
• George C. Kennedy - The Origin and Composition of Continents

• March 5, 1959, meeting no. 36
• P.J. Shenon - Carbonatites
• Richard K. Hose - Structural Geology of a Part of the Confusion Range, Western Utah
• Charles W. Merriam - Cambrian Rocks of the Pioche Mining District, Nevada

• April 9, 1959, meeting no. 37
• Alan H. Spry - The Jurassic Dolerite of Tasmania
• Hal T. Morris - Geologic Studies Leading to the Chief Oxide Discoveries, East Tintic District, Utah
• Ralph L. Langenheim, Jr. - Mississippian Stratigraphy in Eastern and Southern Nevada

• May 7, 1959, meeting no. 38
• Eleanora Bliss Knopf - Early Paleozoic Tectonic History of Eastern New York and Western New England as Recorded By the Distribution and Structure of Lithologic Facies

• October 8, 1959, meeting no. 39
• Henry R. Cornwall (with Richard W. Bayley, and Gordon B. Oakeshott) - Observations on the Montana Earthquake of August 18, 1959
• David W. Scholl - Pleistocene Algal Pinnacles at Searles Lake, California
• David L. Jones - Cretaceous Stratigraphy of Northern California and Southern Oregon

• November 5, 1959, meeting no. 40
• Stanley N. Davis - A Search for Airfield Sites in East Greenland
• William S. Fyfe - Experimental Determinations of Equilibria in Mineral Systems
• Robert D. Brown - Submarine Slump Deposits, West-Central Sacramento Valley, California

• December 3, 1959, meeting no. 41
• Vincent E. McKelvey - Relation of Upwelling Waters to Phosphorite and Oil
• Thomas M. Cheney - Permian Facies and the Search for Oil in Wyoming and Utah
• Philip B. King - The Permian Capitan Reef of Texas

• January 7, 1960, meeting no. 42
• John W. Harbaugh - The Role of Calcareous Algae in Creating a Porous Marine Bank in the Plattsburg Limestone of Southeastern Kansas
• Philip E. Playford - Upper Devonian Reef Complex at Windjana Gorge, Kimberly District, Western Australia
• James D. Vine - Recent Domal Structures in Southeastern New Mexico

• February 11, 1960, meeting no. 43
• Herbert E. Hawkes, Jr. - Status of Geochemical Exploration in the Soviet Union
• Ray P. Walters - Surani Rumania--An Anticline with two Erosion-Depleted Noncontemporaneous Oil Reservoirs

• March ?, 1960, meeting no. 44
• (missing information on this meeting)

• April 7, 1960, meeting no. 45
• Donald E. Savage - Problems in Nonmarine Tertiary Geochronology
• David M. Hopkins - Newly Recognized Upper Tertiary and Nonmarine Sediments in Alaska and Northwest Canada

• May 12, 1960, meeting no. 46
• Konrad B. Krauskopf - Reflections of the Origin of Ore Deposits

• October 6, 1960, meeting no. 47
• George I. Smith - Estimate of Total Displacement of the Garlock Fault, Southeastern California
• Richard L. Hay - Diagenetic K Feldspar and Vermiculite in the John Day Formation of Oregon
• Ivan F. Colburn - Jurassic-Cretaceous Stratigraphy of Mt. Diablo

• November 10, 1960, meeting no. 48
• Gideon T. James - Nonmarine Stratigraphy of Upper Cuyama Badlands, California
• John P. Albers - General Geology of India

• December 8, 1960, meeting no. 49
• Doak C. Cox - Tsunamis
• Jerry P. Eaton - The 1959-1960 Eruption of Kilauea Volcano, Hawaii

• January 5, 1961, meeting no. 50
• Ronald J.P. Lyon - Recent Trends in Infrared Research on Minerals
• Wayne L. Fry - Tertiary Floras from the lower Fraser River Valley, British Columbia
• Alden A. Loomis - Contact Metamorphism of the Mt. Tallac Roof Pendant

• February 9, 1961, meeting no. 51
• Edward M. MacKevett (with C.L. Sainsbury), Jr. - Structural Controls of Five Southwestern Alaska Quicksilver Deposits
• James R. McNitt - Mercury Mineralization in Northern Sonoma County, California

• March 9, 1961, meeting no. 52
• Nicholas M. Short - Fracturing of Rock Salt by Contained High Explosives
• Tom F.W. Barth - Ideas on the Interrelation Between Sedimentary and Igneous Rocks

• April 6, 1961, meeting no. 53
• Philip B. King - A Neotectonic Map of the USSR
• Gregory A. Davis - Structure and Petrology of a Foliated Domical Pluton, Klamath Mountains, California
• Robert E. Arnal - Paleoecology of the Salton Sea Basin

• May 4, 1961, meeting no. 54
• Harold L. James - The Rock Record of the Precambrian: A Critical Review of the Evidence for Change in Geologic Conditions with Time

• October 5, 1961, meeting no. 55
• Robert E. Wallace - Structural Geology of the Humboldt Range, Nevada
• Richard M. Foose - Structural Geology of the Beartooth Mountains, Montana and Wyoming
• Edwin H. McKee - Structure and Stratigraphy of the Precambrian-Cambrian Rocks of Western Esmeralda County, Nevada

• November 9, 1961, meeting no. 56
• Edgar H. Bailey - Some Problems of the Franciscan Metamorphic Rocks
• John T. Alfors - The Glaucophane Schists of Panoche Valley, California
• Francis J. Turner (with William S. Fyfe) - Some New Data on Aragonite and the problem of its Survival During Unloading

• December 7, 1961, meeting no. 57
• E. Dale Jackson - Variations in the Composition of Chromite in the Stillwater Complex, Montana
• Richard E. Eggleton - Breccia at Sierra Madre, Texas
• Elliot Blackwelder - New Geologic Map of the Bright Angel Quadrangle, Arizona
• Donald White - International Volcanological meeting in Italy, Rheoignimbrites

• January 4, 1962, meeting no. 58
• Donald B. Tatlock - Distribution of K, Na and Al in Some Felsic Rocks, Humboldt Range, Nevada
• Medora H. Krieger - The Younger Precambrian Troy Quartzite and Cambrian Formations in Southeastern Arizona
• Arthur H. Lachenbruch - Contraction Crack Polygons

• February 8, 1962, meeting no. 59
• M. King Hubbert - The Mechanics of Overthrust Faulting

• March 8, 1962, meeting no. 60
• Alfred J. Bodenlos - Geological Cooperation in Latin America, Especially Brazil
• R.H.B. Jones - Exploration for Iron Ore in Quebec, Canada
• William B.N. Berry - Some Aspects of Paleozoic Biogeography

• May 3, 1962, meeting no. 61
• Gordon B. Oakeshott - Observed Features of Recent Surface Faulting

• October 4, 1962, meeting no. 62
• Garniss H. Curtis (with Jack F. Evernden, Donald E. Savage, and Gideon T. James) - K-Ar Dates and the Mammalian Time Scale of Western North America
• Charles A. Repenning (with John G. Vedder) - Correlation of Tertiary Mammals with Marine Mollusks, Eastern Caliente Range, California
• G. Brent Dalrymple - K-Ar Dates from Some Cenozoic Volcanic Rocks of the Sierra Nevada

• November 1, 1962, meeting no. 63
• Konrad B. Krauskopf - Metal Content of a Magmatic Gas Phase
• William G. Pierce - An Obscure Detachment Fault Near Yellowstone Park, Wyoming
• Howard W. Oliver - Major Gravity Problems in Central California

• December 6, 1962, meeting no. 64
• Philip B. King - Geological Reconnaissance in the Northern Apennines, Italy
• J. Wyatt Durham - Miocene Fossils in the Hawaiian Islands and the Significance of Their Occurrence
• M. Clark Blake, Jr. - How the Russians Plot Chemical Analyses of Igneous Rocks

• January 3, 1963, meeting no. 65
• Donald C. Ross - Some Aspects of Paleozoic Stratigraphy in the Independence Quadrangle, California
• Norman J. Silberling - Paleogeographic Implications of Some Lower Mesozoic Rocks, Northwestern Nevada
• Ronald W. Kistler - Prebatholith Deformation History of the East-Central Sierra Nevada, California

• February 7, 1963, meeting no. 66
• Robert R. Compton - Significance of Cretaceous Plutonic Rocks in the Santa Lucia Range, California
• David L. Durham - Tertiary Stratigraphy of the Central Salinas Valley, California
• Alan Galloway - Geology of the Point Reyes Quadrangle, Some Highlights

• March 7, 1963, meeting no. 67
• George Plafker - Oriented Lakes and Lineaments in Northeastern Bolivia
• Oliver E. Bowen - Revision of the Tertiary Stratigraphy in the Monterey and Salinas Quadrangles, California
• Robert G. Coleman - Serpentinites and Associated Metasomatic Rocks

• April 4, 1963, meeting no. 68
• Robert E. Arnal (with Daryl Kerrick and T. John C...nomos) - Sediments of Bodega Bay, California
• Michael Churkin - Paleozoic Rocks and Structures of Central Idaho Compared to Those of Nevada
• Max D. Crittenden, Jr. - Effective Viscosity of the Earth Derived from Isostatic Loading of Pleistocene Lake Bonneville

• May 2, 1963, meeting no. 69
• Benjamin M. Page - Some Tectonic Problems of West-Central California

• October 3, 1963, meeting no. 70
• John P. Albers - Oroclinal Folding and Related Strike-Slip Faulting in the Western U.S. Cordillera
• Thomas W. Dibblee, Jr. - Geology of the Palo Alto 15-Minute Quadrangle
• Philip B. King - Lower Permian Reefs in the Sierra Diablo, West Texas

• November 7, 1963, meeting no. 71
• Konrad B. Krauskopf - Stabilities and Volatilities of Ore-Forming Compounds
• John W. Harbaugh - Four-Dimensional Analysis of Oil-Well Information
• David Gallagher - Problems of Korean Geology

• December 5, 1963, meeting no. 72
• William R. Evitt - Fossil spores, Pollen, and Dinoflagellates in the Mesozoic-Tertiary of Northern California
• Ronald L. Lyon - Remote Sensing of Lunar Geology
• Anthony Hallam - Problems in the Analysis of Growth and Mortality in Fossil Populations

• January 9, 1964, meeting no. 73
• Adolph Knopf - Time Duration of the Emplacement of the Boulder Composite Bathylith
• George W. Moore - Origin of the Major Structure of the Kodiak Outer Arc
• K.J. Murata (with Richard C. Erd) - Composition of Sediments from the Experimental Mohole, Guadalupe Site

• February 6, 1964, meeting no. 74
• Arvi Waananen - Stream-Runoff Patterns in the Hills Back of Stanford University
• Paul H. Reitan - Origin of a "Plagioclase Pegmatite" in Olivine Gabbro by Metamorphic Differentiation
• Henry R. Cornwall - The Bullfrog Hills Caldera, Nevada, and the Related Ore Deposits
• Joseph M. Hoare - Extensive area of laumonitized Rocks in Alaska

• March 5, 1964, meeting no. 75
• Willam G. Pierce - Tectonics of the Jura Mountains
• Klaus Keil - Electron Microprobe Study of Coexisting Minerals in Stone Meteorites
• Harold Masursky - Volcanism in the Dating of Basin-Range Structure

• April 2, 1964, meeting no. 76
• Fred L. Humphrey - Late Precambrian Deformation in Northeast Brazil
• H. Richard Blank - Ignimbrite Vent in Southwestern Utah
• William R. Dickinson - Surface Extrusion of Serpentine in Southern Coast Ranges of California

• May 7, 1964, meeting no. 77
• Edgar H. Bailey - Pillows, Sheets, and Beds-Mostly Franciscan

• October 1, 1964, meeting no. 78
• H. Edward Clifton - Tectonic Polish and Pebbles
• Lionel E. Weiss - A Theory of Flexural-Slip Folding
• Allan Cox - Geomagnetism, the Mantle, and the Earth's Rotation Axis

• November 5, 1964, meeting no. 79
• Reuben Kachadoorian - Influence of Geology on Damage in the Alaskan Earthquake
• L.J. Patrick Muffler (with Donald E. White) - Metamorphism of Upper Cenozoic Sediments to Greenschist Mineral Assemblages, Salton Sea Geothermal Area
• Richard L. Hay - Saline Solutions as a Cause of Metamorphism in the Green River Formation

• December 3, 1964, meeting no. 80
• Charles A. Repenning (with Joseph J. Graham) - The Fossil Vertebrate Paleoparadoxia and Associated Invertebrate Fossils at the Stanford Linear Accelerator Site
• Joshua L. Soske - New Applications of the Reflection Seismograph
• Marvin A. Lanphere - Rubidium-Strontium Geochronology and Its Application to Problems of Metamorphism

• January 7, 1965, meeting no. 81
• Robert E. Wallace - The North Anatolia Fault in Turkey
• Gordon A. Macdonald - Hawaiian Petrology
• James G. Moore - Gravity-Slide Origin of Hawaiian Rift Zones

• February 4, 1965, meeting no. 82
• Donald E. White - Heat Flow and Convecting Fluids
• Seiya Uyeda - Oceanic and Continental Heat Flow
• Arthur H. Lachenbruch (with B. Vaughn Marshall) - Heat-Flow Results from the Arctic Ocean

• March 4, 1965, meeting no. 83
• Frederick A.F. Berry - Origin and Tectonic Significance of High Fluid Pressures, Central Valley and Coast Ranges, California
• Daniel J. Milton - Meteorite Impact Craters at Henbury, Australia
• Adolph Knopf - Proposed Revisions in the Currently Used Radiometric Time Scales

• March 28, 1965
• Doc Bonilla, Earl Brabb, Jim Moore, and George Schlocker - led a field trip along the San Andreas Fault which ended at the Hollister Almaden Winery that is deformed by fault creep.

• April 1, 1965, meeting no. 84
• Richard J. Janda - Alluvial History of the San Joaquin River near Friant, California
• W.D. Fuqua - Environment of Debris Flows: Geologic Factors and Engineering Significance

• May 6, 1965, meeting no. 85
• Charles F. Park - The Border of the Pacific Basin and the Origin of Its Iron Ores

• October 7, 1965, meeting no. 86
• Parke D. Snavely, Jr. - Geologic Framework of Western Washington
• Julius Schlocker - Surficial Effects of the April 29, 1965, Seattle Earthquake
• Bruce A. Bolt - A Seismological Study of the April 29, 1965, Seattle Earthquake

• November 11, 1965, meeting no. 87
• Arvid M. Johnson - A Model for Debris Flow
• Albert T. Smith (with Harold A. Wollenberg), Jr. - Radiogeologic Studies in the Coast Range and Sierra Nevada of California
• Bryce L. Wood - Paleozoic and Mesozoic Development of New Zealand

• December 2, 1965, meeting no. 88
• Maxwell B. Blanchard - A Method for Determining the Densities of Microsized Spheroids
• Henry R. Cornwall - The Thompson Mine, Manitoba-A Major Nickel Deposit of Metamorphic Origin?
• Arthur M. Piper - Potential Application of Nuclear Explosives in Managing Water

• January 6, 1966, meeting no. 89
• K.J. Murata (with César Dondoli B., and Rodrigo Sænz R.) - Ash Deposit of the 1963-1965 Eruption of Irazu Volcano, Costa Rica
• James G. Moore - The 1965 Eruption of Taal Volcano, Philippine Islands

• February 3, 1966, meeting no. 90
• N. Timothy Hall - Stratigraphy of the Merced Group, San Francisco Peninsula
• Dallas L. Peck - The March 1965 Eruption of Kilauea Volcano and Studies of Makaopuhi Lava Lake

• March 3, 1966, meeting no. 91
• John P. Brooke - Alteration of Volcanic Rock of the Horn Silver Mine, Utah
• Charles C. Bishop - Upper Cretaceous Stratigraphy of the Northern San Joaquin Valley, California
• David A. Brew (with L.J. Patrick Muffler, and Robert A. Loney) - Reconnaissance Geology of the Mt. Edgecumbe Volcanic Field, Kruzof Island, Southeast Alaska

• April 12, 1966, meeting no. 92
• A. Thomas Ovenshine - Glacial Deposition of the Precambrian Gowganda Formation, North Shore of Lake Huron, Canada
• Ian. S. Carmichael - The Glassy Rocks of California
• Keith A. Howard - Cordilleran Infrastructure in the Northern Ruby Mountains, Nevada

• May 5, 1966, meeting no. 93
• Howel Williams - Enchanted Isles-The Galapagos

• October 6, 1966, meeting no. 94
• John H. Carman - Some Phase Relations in the System Nepheline-Forsterite-Silica-Water
• Dwight W. Taylor - Biotectonics-Distribution of Cenozoic Nonmarine Mollusks Applied to the Tectonic History of the Western United States
• Bernard W. Evans - Mineral Study with the Electron Microprobe

• November 3, 1966, meeting no. 95
• Robert D. Brown (with John G. Vedder) - Parkfield-Cholame Earthquake-Surface Geologic Effects
• Jerry P. Eaton - Parkfield-Cholame Earthquake-Detailed Seismic Studies of Aftershocks
• Robert E. Wallace - Earthquake in Eastern Turkey, August 1966

• December 1, 1966, meeting no. 96
• Trevor Hatherton - Geophysical Anomalies Associated with the Marginal and Geosynclinal Systems in New Zealand and California
• Oliver E. Bowen (with James R. Evans) - Stratigraphy and Structure of the Mother Lode Gold Belt in Mariposa County, California
• Roger H. Chapman - Gravity Anomalies in the Geysers Area

• January 5, 1967, meeting no. 97
• Garniss H. Curtis - Potassium-Argon Dates and the Present Status of the Pleistocene
• Edgar H. Bailey - Geology Pays off at Great European Mercury Mines
• George Plafker - Earthquake Swarm and Surface Faulting at Matsushiro, Japan

• February 2, 1967, meeting no. 98
• Frederick A.F. Berry (with O. Frank Huffman, and Donald L. Turner) - Post-Miocene Movement along the San Andreas Fault
• Carl M. Wentworth, Jr. - The Sequence of Sedimentary Structures in Turbidites
• Bennie W. Troxel - Sedimentary Structures of the Late Precambrian Rocks in Southern Death Valley-Turbidites or Tillites?

• March 2, 1967, meeting no. 99
• Michael H. Carr - Interplanetary Debris Near the Earth
• Dwight F. Crowder (with Rowland W. Tabor) - On Batholiths and Volcanoes in the North Cascades
• John P. Lockwood - Soviet Geology and Geologists-Impressions of a Six-Month Visit to the USSR

• April 6, 1967, meeting no. 100
• Donald E. White - Ore-Forming Fluids of Diverse Origins

• October 5, 1967, meeting no. 101
• William G. Pierce - Two Fluvial Periods Indicated by the Carter Mountain Landslide, Northwest Wyoming
• Maxwell B. Blanchard - Sounding-Rocket Sampling of Meteor Streams
• Michael Churkin - A Geologist's Five Months in Russia

• November 2, 1967, meeting no. 102
• George Starkey (with Arthur D. Howard) - Subaerial Ancestor of the Monterey Submarine Canyon
• David W. Scholl - Submergence, Coastal Swamps, and the Cyclothem-Western Florida
• James G. Moore - A Visit to Stromboli and Etna Volcanoes in March 1967

• December 7, 1967, meeting no. 103 Glacier Bay National Monument, Alaska
• David A. Brew - Introduction and Bedrock Geology
• Edward M. MacKevett, Jr. - Mineral Deposits
• Charles C. Hawley - Geochemical Studies
• A. Thomas Ovenshine - Glacial Geology

• January 4, 1968, meeting no. 104
• Salem J. Rice - Some Geologic Aspects of the Asbestos Industry in California
• Calvin H. Stevens - Water Depth Control of Fusulinid Distributions
• Howard G. Wilshire - Geology of the Sierra Madera Crypto-explosion Structure, Texas

• February 1, 1968, meeting no. 105
• David D. Pollard - Sills and Laccoliths of the Henry Mountains of Utah-Field, Laboratory, and Theoretical Analyses
• Claus Prodehl - Crustal Structure in the Western and Eastern Alps
• P. Blair Hostetler - Sepentinitization and the Solubility of Chrysotile

• March 7, 1968, meeting no. 106
• Robert R. Compton - Possible Gravity Deformation in the Raft River Mountains, Utah
• M. King Hubbert - Degree of Advancement of Petroleum Exploration in the United States

• April 4, 1968, meeting no. 107
• Ronald W. Kistler (with C. Ronald Willden) - Geochronology of Igneous and Metamorphic Rocks in the Ruby Range, Nevada
• Eldridge M. Moores - The Vourinos Complex of Northern Greece-Its Relation to the Ophiolite Problem

• May 2, 1968, meeting no. 108
• Ernest I. Rich - Sandstone Petrology of the Great Valley Sequence, Sacramento Valley, California
• William R. Dickinson - Burial Metamorphism of the Great Valley Sequence
• Win Swe - Stratigraphy and Structure of Late Mesozoic Rocks near Clear Lake, California

• June 6, 1968, meeting no. 109
• George A. Thompson - Geologic Strain and Displacement, with Applications to Basin-Range Problems

• October 10, 1968, meeting no. 110 Seafloor Spreading in the Eastern Pacific, The New Tectonics? Part I
• Allan Cox (with William R. Dickinson) - Seafloor Spreading-Setting the Scene

• December 5, 1968, meeting no. 111
• Philip B. King - Seafloor Spreading in the Alps and Carpathians
• Dorothy H. Radbruch - Engineering Geologic Mapping in Czechoslovakia
• E. Dale Jackson - Impressions of Alpine Peridotites in the Alps

• January 9, 1969, meeting no. 112 Seafloor Spreading in the Eastern Pacific, The New Tectonics? Part II: The Chilean Part of the Pacific Rim
• Mark N. Christensen - Geology of the Dry Part
• David W. Scholl (with Roland von Huene) - Geology of the Wet Part
• George Plafker (with James C. Savage) - Deformation of Both Parts in 1960

• February 6, 1969, meeting no. 113 Seafloor Spreading in the Eastern Pacific, The New Tectonics? Part III
• Bruce A. Bolt (with Thomas V. McEvilly (speaker)) - Seismological Data Related to Seafloor Spreading off Northern California
• Peter Dehlinger - Geophysical Evidence Regarding the Development of the Juan de Fuca and Gorda Ridges

• March 6, 1969, meeting no. 114 Seafloor Spreading in the Eastern Pacific, The New Tectonics? Part IV
• David Bukry - Geological Results of JOIDES Drilling
• George W. Moore - Seafloor Geology Beyond the North End of the San Andreas Fault

• April 10, 1969, meeting no. 115 Seafloor Spreading in the Eastern Pacific, The New Tectonics? Part V: Paleozoic Environment of the East Pacific Margin
• R.G. Yates - Eugeosynclinal Province of Washington and Southern British Columbia
• A. Thomas Ovenshine - Southeast Alaska - Paleozoic Continental Margin
• Michael Churkin - Paleozoic Tectonic History of Alaska and Continental Drift in the Arctic

• May 8, 1969, meeting no. 116
• Phillip B. King - Sea-Floor Spreading
• Charles A. Anderson - Progress Report on the Early Precambrian History of Western America

• October 9, 1969, meeting no. 117
• Ivan Barnes - Calcite and Dolomite Solid Solutions
• John F. McCauley - Geology of the Near Side of the Moon
• E. Dale Jackson - A Comparison of American and African Layered Intrusives

• December 4, 1969, meeting no. 118 Tertiary Volcanic History of Nevada
• Edwin H. McKee - Stratigraphy and Chronology
• Sherman GrommZŔ - Paleomagnetic Correlation of Welded-Tuff Sheets
• M. Clark Blake, Jr. - Petrogenesis of the Volcanic Sequence

• January 8, 1970, meeting no. 119
• H. Edward Clifton (with Ralph E. Hunter, and R. Lawrence Phillips) - Sedimentary Structures of the High Energy Nearshore Zone
• Robert B. Forbes - Petrology of Eclogitic Rocks of the Fairbanks District, Alaska
• Robert F. Yerkes - Surface Deformation Associated with Oil and Gas Field Operations in the United States

• February 12, 1970, meeting no. 120
• David M. Hopkins - Paleogeography of Bering Sea Region
• Eldridge M. Moores - The Troodos Complex, Cyprus, and other Mediterranean Ophiolites as Ocean Floor
• Donald E. White (with L.J. Patrick Muffler and A.H. Truesdell) - Vapor-Dominated ("Dry-Steam") Geothermal Systems - Yellowstone's Contribution to Understanding Them

• March 12, 1970, meeting no. 121
• Ralph J. Roberts - Evolution of the Pacific Continental Margin-Oceanic versus Continental Processes
• Charles L. Hummel - Current Mineral Investigations in the Goyas Serpentine Belt, Central Brazil
• Edgar H. Bailey - World's Oldest Mercury Mine, the Sizma Mine, Turkey

• April 9, 1970, meeting no. 122
• Robert G. Coleman - Are Ophiolites and Blueschists Indicators of Ancient Geosutures?
• Don R. Mabey (with Willard E. Davis) - Aeromagnetic Features of Nevada

• May 14, 1970, meeting no. 123
• Richard H. Jahns - Anatomy of a Granite-Pegmatite-Aplite System in Massachusetts

• September ?, 1970, meeting no. 124
• (missing information on this meeting)

• October 8, 1970, meeting no. 125
• Irwin Remson - Soil Moisture-The Critical Link in the Hydrologic Cycle
• Arthur H. Lachenbruch - Some Permafrost Fundamentals and Arctic Development

• December 10, 1970, meeting no. 126
• Carl M. Wentworth, Jr. - Active Faults and Nuclear Reactor Sites
• Chapman Young - Commercial Applications of Dynamic Rock Mechanics
• Lloyd S. Cluff - Geologic Considerations in Siting a Nuclear Reactor Along the Coast of Mexico and Related Problems

• January 14, 1971, meeting no. 127
• Eldridge M. Moores - Phanerozoic Patterns of Continental Assembly, Fragmentation, and Sea-Level Changes
• James W. Valentine - Plate Tectonics and the History of Life

• February 11, 1971, meeting no. 128
• Richard K. Hose - Late Mesozoic to Early Cenozoic Development of the Eastern Great Basin
• Marvin A. Lanphere - Age and Geologic Implications of High-Grade Blueshists, Amphilolites, and Miocene Oceanic Crust in California and Oregon

• March 11, 1971, meeting no. 129
• (missing information on this meeting)

• April 8, 1971, meeting no. 130
• H. Gary Greene - Offshore Geology and Sedimentary Processes in the Monterey Bay Area
• J. Casey Moore - Southern Alaskan Flysch-Franciscan Equivalent?

• May 13, 1971, meeting no. 131
• Tor H. Nilsen (with Carl M. Wentworth, and Earl E. Brabb) - Landslide Distribution and Mapping Criteria in the South San Francisco Bay Area
• Arvid M. Johnson - Engineering Geology Considerations in Portola Valley's Hillside Development
• F. Beach Leighton - The Geologist's Role in Land-Use Planning

• October 14, 1971, meeting no. 132
• Don E. Wilhelms - Geologic Setting of the Apollo 14 and Apollo 15 Landing Sites
• James G. Moore - Lava Beneath the Sea

• November 11, 1971, meeting no. 133
• Arthur B. Ford - Fit of Gondwana Continents-Drift Reconstruction from the Continental Antarctic Viewpoint
• Leon T. Silver - Mesozoic Igneous Activity on the Southwest Continental Margin of North America

• December 9, 1971, meeting no. 134
• David L. Jones - Southeast Alaska-A Displaced Continental Fragment?
• John A. Sass - Tectonic and Geochemical Significance of Heat-Flow Data

• January 13, 1972, meeting no. 135
• Norman J. Silberling - Tectonic Event Along the Pacific Margin During the Permo-Triassic
• Robert E. Wallace - Earthquake-Hazard Reduction-Response to an Environmental Problem

• February 10, 1972, meeting no. 136
• David M. Hopkins - Global History of Glaciation, Tertiary and Quaternary
• Mackenzie L. Keith - Structure of Iceland, and Some Evidence Against Seafloor Spreading

• March 9, 1972, meeting no. 137
• Medora H. Krieger - Gravity-Slide Breccias in a Miocene Playa Deposit
• Aaron C. Waters (with Michael W. Higgins) - Newberry Caldera-Beautiful Young Sister of Medicine Lake Highlands

• April 6, 1972, meeting no. 138
• Bruce A. Carter - The San Gabrial Anorthosite-Syenite Body, California
• Rowland W. Tabor - Structure of the Olympic Mountains, Washington-A Landlubber's View of Subduction

• May 4, 1972, meeting no. 139
• Paul C. Bateman - Everything You Wanted to Know About the Sierra Nevada But Were Afraid to Ask

• October 5, 1972, meeting no. 140
• Robert G. Coleman - Report on the Penrose Ophiolite Conference-New Concepts and Definitions
• Michael H. Carr - Geology of Mars

• November 2, 1972, meeting no. 141
• Ronald W. Kistler - Significance of Sr and Pb Ratios in Mesozoic Intrusive Rocks of California
• Charles W. Jennings - The New Geologic Map of California
• Michael S. Marlow - Plate Convergence in Aleutian and Puerto Rican Trenches-Seismic-Reflection Data

• December 7, 1972, meeting no. 142
• Lionel E. Weiss - Growth of Flexural-Slip Folds in Laminated Materials
• Richard R. Doell - The Role of Natural Resources in Socioeconomic Modeling

• January 4, 1973, meeting no. 143
• James R. Hein - Provenance of the Delgada Submarine Fan-A Record of Motion on the San Andreas Fault System
• Arthur H. Lachenbruch - A Model for the Origin of Transform Faults

• February 1, 1973, meeting no. 144
• Marvin A. Lanphere - The 40Ar/39Ar Age Spectrum Technique-A New Tool for Geochronology
• Robert D. Brown (with George Plafker) - The Managua Earthquake of December 23, 1972

• March 1, 1973, meeting no. 145
• Kenneth F. Fox (with C. Dean Rinehart) - The Okanogan Gneiss Dome (Colville Batholith) of North-Central Washington
• Richard J. Janda - Quaternary Isostasy, Tectonism, and Erosion in Southwest Oregon

• April 5, 1973, meeting no. 146
• Arthur Grantz - Geologic Reconnaissance of the Chukchi Sea and Adjacent Arctic Ocean
• Robert G. Coleman - Relations of Cenozoic Volcanism, Warping, and Rifting to the Origin of the Red Sea

• April 27, 1973, meeting no. 147
• E.S.T. O'Driscoll - Basement Tectonics and Fold Patterns-Kinematic Models Approach

• June 7, 1973, meeting no. 148
• Max D. Crittenden, Jr. - Significance of Tillites as Time Lines in the Late Precambrian

• October 4, 1973, meeting no. 149
• C. Barry Raleigh - Prospects for Earthquake Control
• Robert L. Wesson - Prospects for Earthquake Prediction

• November 1, 1973, meeting no. 150
• James R. O'Neil - Meteoric Source of Epithermal Au-Ag Ore Fluids
• Donald E. White - The Diverse Origins of Ore Fluids

• December 6, 1973, meeting no. 151
• Bill Stuart - Plate Tectonics Modeled in Technicolor and Applied to North Pacific
• Wendell A. Duffield - Lava-Lake Illustration of Plate Tectonics
• David W. Scholl - Origin of the Aleutian Arc and Bering Sea

• January 3, 1974, meeting no. 152 Comets in space and on earth, for us laymen
• David Black - Comets in General and Kohoutek in Particular
• Daniel J. Milton - Tunguska-Comet Explosion in Siberia, 1908 - with Russian movie of field study of impact area

• February 7, 1974, meeting no. 153 Evolution of a Migrating Island Arc System, Inferred from its Volcanic Rocks - The Southwest Pacific Example
• James B. Gill - Migration from Fiji to Tonga-A View from the Arc Remnants Left Behind
• Anthony Ewart - Oceanic to Continental Transition in Recent Volcanism Along the Tonga-New Zealand Arc

• March 7, 1974, meeting no. 154 Call it Engineering Geology or Environmental Geology, Our Study of the Earth Can Contribute to Rational Use of the Land
• Robert Bailey - Geomorphic Approach to Land Capability Evaluation, Lake Tahoe Basin Example
• Richard Meehan - Analysis of Geologic Data for Land Use Planning-An Engineer's View

• April 4, 1974, meeting no. 155 Tectonics of Western North America
• Eli A. Silver - Cenozoic Tectonics of the Western North America Continental Margin
• Michael Churkin - Accordion Plate Tectonics of the Cordillera

• May 2, 1974, meeting no. 156 Energy Resources in the U.S.: Oil and Gas have Shaped Modern Energy Use, But Now Have and Uncertain Future; the Earth's Heat is a Promising Upstart
• Peter R. Rose - The Role of Oil and Gas in the Evolving National Energy Budget
• L.J. Patrick Muffler - Geothermal Resources-Their Occurrence, Potential, and Environmental Impact

• October 3, 1974, meeting no. 157
• David M. Boore (with Roger D. Borcherdt, Earl E. Brabb, Robert D. Brown, Jr., James H. Dieterich, James F. Gibbs, Edward J. Helley, William B. Joyner, Kenneth R. Lajoie, Donald R. Nichols, Tor H. Nilsen, Robert A. Page, Richard E. Warrick, Carl M. Wentworth, Robert L. Wesson, and T. Leslie Youd) - Predictions of the Effects of the Next Great Quake - New Data on Local Fault Offsets, Bedrock Motions, Liquification, and Landsliding

• November 7, 1974, meeting no. 158 Current Interpretations of the Basin and Range Region
• Edwin H. McKee - Chronology of Volcanism and Tectonism in the Great Basin
• George A. Thompson - Basin-Range Origins-The Constraints from Regional Geophysics

• December 5, , 1974, meeting no. 159 New Ideas Relating to the Importance of Near-Surface Processes to Ore Deposits
• Arthur S. Radke - Interactions of Rocks and Hot Water that Concentrated the Gold at Carlin, Nevada
• Walter Dibble - How Climatic Cycles in the Arizona Desert Explain Oxidized Ores

• February 6, 1975, meeting no. 160 Are We Into Another Ice Age?
• George I. Smith - The Last Interglacial-How Did It Start and End?
• David M. Hopkins - The Present Interglacial-When Will It End?
• David P. Adam - Ice Ages and the Thermal Equilibrium of the Earth.

• March 6, 1975, meeting no. 161 Tertiary Heating and Deformation in the Great Basin, Shown by Metamorphic and Plutonic Rocks
• Ronald W. Kistler - How K-Ar Data Give a New View of the Ruby Mountains, Nevada
• Victoria R. Todd - How a 25-m.y.-Old Pluton Changed Interpretations of Metamorphism and Low-Angle Faulting in Northwestern Utah
• Robert R. Compton - How Folding in Northwestern Utah Relates to the Metamorphism

• April 3, 1975, meeting no. 162
• J. Casey Moore - Studies of Active Subduction in the Shikoku Trench
• Tjeerd H. van Andel (with James G. Moore) - Scientific Results from Last Summer's FAMOUS Submarine Dives on the Mid-Atlantic Ridge

• May 1, 1975, meeting no. 163 Geologic Processes: Destructive Versus Constructive
• Richard J. Janda (with K. Michael Nolan, Deborah R. Harden, and Harvey M. Kelsey, III) - Impact of Recent Floods and Timber Harvest on the Redwood Landscape of Northern California
• Raymond Pestrong (with Richard Lambert) - "Earth Art"-A Unique Look at the Influence of Rock Forms on Our Heritage

• October 2, 1975, meeting no. 164
• (missing information on this meeting

• November 6, 1975, meeting no. 165
• Edwin W. Tooker - An Overview of National Mineral Resource Problems
• Wayne E. Hall - Application of Stable Isotopes and Fluid Inclusions to the Genesis of Ore Deposits
• Marco T. Einaudi - Anaconda's Western United States Exploration Program

• December 4, 1975, meeting no. 166 Geothermal Energy
• L.J. Patrick Muffler - Status of Geothermal Research and Development in the United States
• Harold A. Wollenberg - Status of Lawrence Berkeley Laboratory Geothermal Research and Exploration in Northern Nevada
• Wendell A. Duffield - Volcanology and Geothermal Resources of the Coso Mountains, California

• February 5, 1976, meeting no. 167 Bay Area Environmental Geology
• William J. Kockelman - Geology Applied to Planning in the Bay Area
• Darrell G. Herd - Fault Investigation in the Bay Area Through Trenching
• N. Timothy Hall - Faults and Their Potential for Surface Rupture in Santa Cruz County

• March 4, 1976, meeting no. 168 Kilauea's 1975 Catastrophe - Interrelation of Magmatism and Crustal Deformation
• Donald W. Peterson - Volcanic Events Preceding the Hawaiian Earthquake of 1975
• David P. Hill - Seismic Processes Associated with the Hawaiian Earthquake of 1975
• Donald A. Swanson - Structural Framework and Model for the Hawaiian Earthquake of 1975

• April 1, 1976, meeting no. 169
• Robert J. McLaughlin - Significance of Age Relationships of Rocks Above and Below Upper Jurassic Ophiolites at The Geysers-Clear Lake Area
• Edward I. Bloomstein - Petrochemistry and Geochemistry of Andesite Series in the Japan Sea Region
• M.L. Silberman (with Edwin H. McKee, and John H. Stewart) - Igneous Activity, Tectonics, and Hydrothermal Precious-Metal Mineralization in the Great Basin During Cenozoic Time

• May 6, 1976, meeting no. 170
• George W. Viele, Jr. - Plate Tectonics, The Oachitas, and the Gulf of Mexico
• Wayne Thatcher - Strain Accumulation in Southern California
• Charles G. Bufe (with John H. Pfluke, and Robert O. Berford) - Seismic Patterns Preceding Moderate Earthquakes in Central California

• October 7, 1976, meeting no. 171
• Michael H. Carr - Preliminary Results from Mars Viking Mission

• November 4, 1976, meeting no. 172
• Thomas D. Hamilton - Early Man in Alaska-The Geologic Record
• Ivan Barnes - Warm Springs in New Zealand and Laumontite-A Different View of Burial Metamorphism and the Zeolite Facies
• John D. Sims - Correlation of Deformed Glaciolacustrine Sediments and Historic Earthquakes, Alaska

• December 2, 1976, meeting no. 173
• H. Edward Clifton - Modern and Ancient Estuary-Fill Deposits, Willapa Bay, Washington
• Rudolf W. Kopf - Development of mZŔlange by thrusting-A Laboratory-Model Approach
• Harry E. Cook - Sedimentary Gravity-Flow Deposits in Deep-Water Carbonate Environments

• January 6, 1977, meeting no. 174
• William R. Dickinson - Subduction Tectonics in Japan
• Robert J. Fleck - Chronology of Orogenesis of the Arabian Shield

• February 3, 1977, meeting no. 175
• Robert O. Castle - The Southern California Uplift-A Current Assessment
• Robert E. Wallace - Geomorphology of Young Fault Scarps and the Seismic History of North-Central Nevada

• March 3, 1977, meeting no. 176
• John W. Hillhouse - Paleomagnetics of the Triassic Nikolai Greenstone, southern Alaska
• David L. Jones (with Norman J. Silberling, and John W. Hillhouse) - Wrangellia-A Displaced Continental Block in Northwest North America
• Norman J. Silberling (with David L. Jones, and Kathryn M. Nichols) - Chulitna-An Enigmatic Non-Wrangellian Sequence in Southern Alaska

• May 5, 1977, meeting no. 177
• Charles E. Bickel - The Most Ancient Lunar Breccias
• Augustus K. Armstrong (with Parke D. Snavely, Jr., and Warren O. Addicott) - Carbonate Diagenesis and Porosity in Late Miocene Coral Reefs, Southern Spain

• October 6, 1977, meeting no. 178
• Allen C. Robinson - A Mechanism for the Differentiation of the Tuolomne Intrusive Series, Yosemite National Park
• E. Wesley Hildreth - A Zoned Pluton at the Eruptive Stage-The Long Valley Magma Chamber as Evidenced by Eruption of the Bishop Tuff

• November 3, 1977, meeting no. 179
• James C. Ingle, Jr. - Cenozoic Paleobathymetry and Paleoenvironments, Transverse Ranges, California
• Keith F. Drummond - Upper Cretaceous Lithofacies Model, Sacramento Valley, California

• December 1, 1977, meeting no. 180
• Konrad B. Krauskopf - How Do We Get Rid of Nuclear Garbage?
• Alfred H. Truesdell - Chemistry of Hot-Water Geothermal Systems

• January 5, 1978, meeting no. 181
• Donald W. Hyndman - Cordilleran Gneiss Domes and Detachment of Overthrust Blocks
• Marco T. Einaudi - Skarns as Porphyry Coppers, Basin and Range Province

• February 2, 1978, meeting no. 182
• Wayne Thatcher - The 1899 Yakutat Bay Earthquakes
• William H. Bakun - How Foreshocks Might Be Use in Earth-quake Prediction

• March 2, 1978, meeting no. 183
• Charles R. Bacon - The Quaternary Rhyolites of the Coso Range, California, and Their Bearing on the Evolution of High-Silica Magmas
• Robert D. Nason - Seismicity and Strain on the San Andreas Fault Before and After the 1906 Earthquake

• April 6, 1978, meeting no. 184
• Tor H. Nilsen - Mississippian Turbidite Facies and Paleotectonics, Antler Trough of South-Central Idaho
• Stephen A. Graham - Cenozoic Basin Framework and Paleotectonics, Central Salinian Block of California

• May 4, 1978, meeting no. 185
• William R. Dickinson - Geotectonics of the San Andreas Transform

• October 5, 1978, meeting no. 186
• James B. Gill - Plate-Tectonic Implications of Andesitic Volcanism
• Elwood R. Brooks - Petrochemistry of Paleozoic Island-Arc Deposits, Northern Sierra Nevada, California

• November 2, 1978, meeting no. 187
• Howard G. Wilshire - The San Joaquin Valley Windstorm of Christmas, 1977
• Michael H. Carr - Martian Fluvial Features

• December 7, 1978, meeting no. 188
• James O. Berkland - Looking Through "Seismic Windows"
• R.B. Mattheisen - Earthquake Engineering in China

• January 4, 1979, meeting no. 189
• Ronald W. Kistler - A Tie Between Plutonism and Volcanism in the Sierra Nevada, California
• Ivan Barnes - The Death of the Myth of the Batholith

• February 1, 1979, meeting no. 190
• John K. Nakata - A Multi-Media, Multi-Image Slide Show-The Environmental Effect of Off-Road Vehicles in the Desert
• David L. Wagner - Environmental Geology of the Lake Anderson Area, Santa Clara County, California

• March 1, 1979, meeting no. 191
• William R. Normark - First Submersible Dive on the East Pacific Rise-Massive Sulfide Deposits and Submarine Lava Lakes
• Randolph A. Koski - Mineralization in Ancient Oceanic Crust-Examples from Cyprus

• April 5, 1979, meeting no. 192
• George H. Brimhall - Element Recycling in the Hydrothermal Environment
• Marco T. Einaudi - Skarn Formation in Porphyry Copper Deposits

• May 3, 1979, meeting no. 193
• Robert G. Coleman - Tectonic Setting of Ophiolite Obduction in Oman

• October 4, 1979, meeting no. 194 New Developments in the Franciscan of Northern California and Southwestern Arizona
• M. Clark Blake, Jr. - Late Mesozoic Microplate Tectonics of Southwestern Oregon
• Robert J. McLaughlin - Post-Middle-Miocene Accretion in Northern California
• Richard Z. Poore - Paleontologic Evidence of Middle Miocene Rocks in the Coastal Belt of Northern California

• November 1, 1979, meeting no. 195
• James F. Luhr - Volcán Colima and the Mexican Volcanic Belt
• E. Wesley Hildreth - The 1912 Eruption in the Valley of Ten Thousand Smokes, Katmai, Alaska

• December 6, 1979, meeting no. 196
• Richard L. Hay - Paleoenvironment and Footprints in the Laetolil Beds of Northern Tanzania
• Garniss H. Curtis - Calibration of Hominid Evolution in East Africa

• January 10, 1980, meeting no. 197
• John P. Albers - Metallogeny in California
• Henry C. Berg - Progress Report on Geotectonics and Metallogenesis in Southeastern Alaska
• Ian S. Carmichael - Petrological Calculation-Hoax, Hyperbole, or H'understandin'?

• February 7, 1980, meeting no. 198
• Harold C. Helgeson - Time, Equilibrium, and the Water Molecule in Geochemical Processes

• March 6, 1980, meeting no. 199
• Donald A. Swanson - Flood Basalt of the Columbia and Deccan Plateaus-Rare Events in Geologic History
• James G. Moore - Structure and Eruptive Mechanism of Surtsey Volcano, Iceland

• April 3, 1980, meeting no. 200
• Eli A. Silver - Collisions and Ophiolite Emplacement in Eastern Indonesia
• James E. Case - Magmatic Arcs in the Caribbean Region

• May 1, 1980, meeting no. 201
• David L. Jones - Pacific Coast Accretion-History, Patterns, and Problems

• October 2, 1980, meeting no. 202 Mount St. Helens-Before and Now
• Clifford A. Hopson - Geology
• James G. Moore - Eruptions

• November 6, 1980, meeting no. 203
• Walter Alvarez - Magnetic Reversal Stratigraphy and the Terminal Cretaceous Extinction Event
• Christine Carlson - Upwardly Mobile Mélanges, Serpentine Protrusions, and Transport of Tectonic Blocks in Accretionary Prisms
• Ray G. Wells - Tectonic Rotation in Southwestern Washington

• December 4, 1980, meeting no. 204 The May 18th, 1980, Mount St. Helens Eruptive Deposits: Chronology and Environmental Impact
• Richard B. Waitt, Jr. - Stratigraphy of the Surge, Air-Fall, Debris-Flow, and Mud-Flow Deposits
• Richard J. Janda (with Kenneth M. Nolan) - Massive Down-Valley Sediment Action

• January 8, 1981, meeting no. 205
• Warren Hamilton - Cordilleran Core Complexes
• Brian P. Hausback - Volcanism and Tectonic Evolution of Southern Baja California, Mexico
• Michael F. Hochella - Mineralogy of the East Pacific Rise-A Search for a New Phase

• February 12, 1981, meeting no. 206
• Tracy L. Vallier (with David W. Scholl) - Tectonics, Sedimentation, and Petrology of the Amilia Corridor, Aleutian Island Arc
• Dennis P. Cox - Hydrothermal Processes in an Island-Arc Porphyry Copper Deposit, Puerto Rico

• March 12, 1981, meeting no. 207
• John F. Dewey - Tectonics and Petroleum Potential of the Marathon-Ouachita Appalachian Foreland
• Brian R. Globerman - Geology, Petrochemistry, and Paleomagnetism of Eocene Basalts in the Central Coast Range of Washington
• Murray W. Hitzman - Geology, Petrology, and Tectonics of the Southwestern Brooks Range, Alaska

• April 2, 1981, meeting no. 208
• Gerald K. Czamanske - Mineralogical Records of the Cumulus Process, Brady Glacier Ni-Cu Deposit, Southwestern Alaska
• James Pollack - Voyager Observations of Saturn, Its Rings, and Its Satellites

• May 7, 1981, meeting no. 209
• George Plafker - Anatomy of the Yakutat Block-A Microplate Caught in the Act of Colliding with Southern Alaska

• October 1, 1981, meeting no. 210
• Amos M. Nur - Mountain Building
• David P. Hill - Contemporary Block Tectonics-California and Nevada

• November 5, 1981, meeting no. 211
• Randolph A. Koski - Massive Zn-Fe Sulfide Deposits from the Juan de Fuca Ridge
• Gail A. Mahood - Geology of Pantelleria Island, Mediterranean Sea

• December 3, 1981, meeting no. 212
• Terrence M. Gerlach - Volcanic-Gas Compositions and Degassing Trends of Tholeiitic and Alkalic Lavas
• George W. Moore - A Brief Geotectonic History of Western North America

• January 7, 1982, meeting no. 213
• Warren J. Nokleberg - The Wall Rocks of the Central Sierra Nevada Batholith-A Collage of Accreted Terranes
• David A. Clague - Loihi Seamount, the Newest Hawaiian Volcano

• February 4, 1982, meeting no. 214
• Donald A. Swanson - The Domes of St. Helens
• G. Brent Dalrymple - Science, Creationism, and the Arkansas Trial

• March 4, 1982, meeting no. 215
• Edwin L. Harp - Catastrophic Landslides in the Bay Area-Storm of January 4, 1982
• Arnold H. Bouma - Sedimentation on an Active Diapiric Continental Margin

• April 1, 1982, meeting no. 216
• Mary Lou Zoback - Modern Tectonic Stress in the Western United States
• John P. Albers - Metallogeny in the Western United States

• May 6, 1982, meeting no. 217
• James G. Moore - Twenty Minutes in the Life of Mount St. Helens

• October 7, 1982, meeting no. 218
• David P. Adam - The Climatic Record of the Last Glacial Cycle as Seen from Clear Lake, California
• Charles R. Bacon - Early Warnings-The Catastrophic Eruption of Mount Mazama and the Collapse of the Crater Lake Caldera

• October 79-10, 1982
• Elwood R. Brooks and Richard A. Schweikert - led a field trip that included a geologic transect of the northern Sierra Nevada along the North Fork of the Yuba River

• November 4, 1982, meeting no. 219
• Virginia M. Oversby - Research and Development Leading to a High-Level Nuclear-Waste Repository in Nevada Tuffs
• Roy A. Bailey - Volcanic Evolution of the Long Valley-Mono Lake Area and Recent Possible Intrusive Activity

• October 2, 1982, meeting no. 220
• John H. Stewart - Antler and Sonoma Orogenies in Nevada-Are they Illusions or a Specific Class of Tectonic Event?
• Keith A. Howard - Tertiary Extensional Faulting Through the Upper Crust, California-Arizona Border

• January 6, 1983, meeting no. 221
• Duane E. Champion (with David G. Howell) - Paleomagnetic and Stratigraphic Implications Bearing on Terrane Amalgamation and Accretion, Central and Southern California

• February 3, 1983, meeting no. 222
• Juhn-Guang Liou - Metamorphism and Plate Tectonics of Taiwan
• Robert E. Powell - Geojigsaw Puzzle Number Two-Palinspastic Reconstruction of Crystalline Bedrock Terranes in Southern California

• March 3, 1983, meeting no. 223
• James B. Gill - Disassembly of Arcs, Southwest Pacific
• J. Casey Moore - Assembly of Subduction Complexes and Arcs, Northeast Pacific

• April 7, 1983, meeting no. 224
• Marvin A. Lanphere - Granitic Rocks of the McKinley Sequence and Their Key Role in the Accretionary History of Southern Alaska
• James R. O'Neil - Isotopic Evolution of the Oceans

• May 12, 1983, meeting no. 225
• Allan Cox - Convergence of the North American and Farallon Plates-The Movie

• October 6, 1983, meeting no. 226
• Charles A. Repenning - Pleistocene Correlations in the Northern Hemisphere
• Horacio Ferriz D. - Volcanic History and Geothermal Exploration of the Los Humeros Volcanic Center, Puebla, Mexico

• November 3, 1983, meeting no. 227
• Raymond Jeanloz - Petrology and Temperature of the Earth's Interior
• Jack F. Evernden - Seismic Detection of Nuclear Tests

• December 1, 1983, meeting no. 228
• Tjeerd H. van Andel - Soils, Streams, and Land Use in Prehistoric Greece
• William E. Dietrich - Landslides in Thick Colluvial Soils Mantling Hillslopes in the San Francisco Bay Area-Geomorphic Implications

• January 12, 1984, meeting no. 229
• Phillip B. Gans - Geometry of Normal Faulting in Eastern Nevada
• Brian P. Wernicke - Structural Evolution of the Mormon Mountains, Southern Nevada

• February 2, 1984, meeting no. 230
• Timothy Druitt - The 18,000 Year (b.p.) Cape Riva Eruption, San Torini, Greece
• William R. Normark - Volcanism and Related Hydrothermal Activity Along the Southern Segment of the Juan De Fuca Ridge-New Results (and Movies)

• March 1, 1984, meeting no. 231
• Dennis Bird - Circulation of Hydrothermal Fluids in the Skaergaard Intrusion
• David D. Pollard - Origin of Joints in Granitic and Sedimentary Rocks

• April 5, 1984, meeting no. 232
• William R. Evitt - Dinoflagellates Do It Differently
• Gordon Haxel - Late Cretaceous and Early Tertiary Orogenesis in South-Central Arizona-Thrust Faulting, Regional Metamorphism, and Granitic Plutonism

• October 4, 1984, meeting no. 233
• David W. Scholl - Two Trenches I Have Known-Some First-Order Comparisons of the Structure and Geologic Evolution of the Coeval but Unequal Aleutian and Tonga Sectors of the Pacific Rim

• November 15, 1984, meeting no. 234
• John A. Tarduno - Franciscan Limestone
• Arthur Grantz - Mid-Paleozoic to Tertiary Paleogeography of Northern Alaska

• January 10, 1985, meeting no. 235
• Bjoern T. Larsen - The Oslo Graben

• February 7, 1985, meeting no. 236
• Michael McWilliams - Rotation of the Southern Sierra Nevada
• Elizabeth L. Miller - Upper Paleozoic Evolution of the Western North American Cordillera

• March 7, 1985, meeting no. 237
• James G. Moore - The Big Wave on Hawaii
• Clark M. Johnson - Triple-Junction Volcanics in Western California

• April 4, 1985, meeting no. 238
• Robert B. Miller - The Ingalls Ophiolite, North-Central Cascade Mountains
• David A. Clague - Recent Volcanic Eruptions in Hawaii

• May 2, 1985, meeting no. 239
• Roland von Huene - To Accrete or Not to Accrete, That is the Question-New Seismic Images of Tectonic Structure at the Front of Modern Convergent Margins

• October 3, 1985, meeting no. 240
• Alastair H.F. Robertson - Tectonic and Paleooceanographic Evolution of the Mesozoic-Tertiary Tethys-Evidence from Cypus and Turkey

• November 7, 1985, meeting no. 241
• Karen C. McNally (with Gerald W. Simila) - Large Earthquakes in Mexico-The September 19th and Previous Events

• December 5, 1985, meeting no. 242
• William A. Clemens - North Slope Dinosaurs-An Alaskan Contribution to the Dinosaur-Extinction Debate
• J. Casey Moore - The Structure of the Oregon Subduction Zone Viewed from Alvin

• February 6, 1986, meeting no. 243 Klamath Mountains: 200 Million Years of Arc Volcanism
• M. Meghan Miller - Tectonic Evolution of Upper Paleozoic Island-Arc Rocks in the Eastern Klamath Belt
• James Wright - An Expanded View of Jurassic Orogenesis for the Western U.S. Cordillera-Evidence from the Klamath Mountains

• March 6, 1986, meeting no. 244
• John H. Stewart - Tectonics of the Walker Lane Belt, Western Great Basin-Mesozoic and Cenozoic Deformation in a Zone of Shear
• Roland H. Brady - Intersection of the Garlock and Death Valley Fault Zones-A Geologic Enigma

• April 3, 1986, meeting no. 245 New Results from Research in Israel
• David Neev - Geologic Evolution of the Easternmost Mediterranean and its Adjacent Territory of the Middle East
• Yaacov Nathan - The Genesis of a Phosphorite Giant-The Upper Cretaceous-Eocene Atlantic-Tethys Province

• May 1, 1986, meeting no. 246
• Michael E. Field (with others) - Images of the Deep-Sea Floor off the Western United States from Mexico to Canada as Viewed by GLORIA

• October 2, 1986, meeting no. 247
• Norman H. Sleep - Galapagos Propagating Rift
• David G. Howell - Terrane Accretion and Continental Growth

• October 8, 1986
• George W. Moore - Field trip: Geology of Coastal California from Pescadero to Point Año Nuevo

• November 6, 1986, meeting no. 248
• Thomas M. Brocher - Seismic Imaging of the Axial Magma Chamber Along the East Pacific Rise Near the Clipperton Fracture Zone
• Janet N. Morton - Mineral Deposits at Hydrothermal Vents along Gorda Rise

• December 4, 1986, meeting no. 249
• George W. Moore - Brief Comments on the Relationship Between the Peninsula Geological Society (Founded 1954) and the Revolution in Geology
• George W. Moore - Mechanism of Continental Rifting and the Initiation of Seafloor Spreading

• January 8, 1987, meeting no. 250
• Kenneth D. Collerson - Early Archean Evolution of the North American Craton
• Thomas P. Frost - Interaction and Differentiation of Mafic and Felsic Magmas in the Lamarck Granodiorite, Sierra Nevada

• February 5, 1987, meeting no. 251
• Ray J. Weldon - The Southern San Andreas Fault-Implications for the Plate Boundary
• Robert D. Nason - Controversial Changes to the Seismic-Shaking Map of the 1906 Earthquake

• March 5, 1987, meeting no. 252
• Michael O. McWilliams - Paleomagnetism of the Tarim Craton, China
• Mark H. Anders - Episodic Late Cenozoic Faulting and the Origin of the Seismic Parabola, Idaho, Wyoming, and Montana

• April 2, 1987, meeting no. 253
• J. Casey Moore - Structural Geology and Hydrology of the Northern Barbados Ridge
• William H. Bakun - Parkfield Earthquake Prediction Project

• May 7, 1987, meeting no. 254
• Allan Rubin - Dike Induced Faulting at Midocean Ridges
• Mark Zoback - San Andreas Stress from Recent Measurements at the Cajon Pass Drill Hole

• November 5, 1987, meeting no. 255
• Richard R. Doell - A Tribute to the Life and Achievements of Allan Cox
• Chris Sanders - The Seismological Search for Magma

• December 3, 1987, meeting no. 256
• Robert Zierenberg - Comparative Studies of Modern Submarine Hydrothermal Systems? Implications for the Formation of Massive Sulfide Deposits
• Jack F. Evernden - Estimation of Yield of Soviet Nuclear Explosions: Fact and Fiction

• January 7, 1988, meeting no. 257
• G. Brent Dalrymple - The Age of the Earth
• Dave Keffer - Real-Time Landslide Prediction and Warning During Heavy Rainfall: The First Success

• February 4, 1988, meeting no. 258
• John Galloway - Archaeology of the Filoli Site, Woodside, CA

• May 3, 1988, meeting no. 259
• Tom Hanks - Seismologic, Geologic, and Engineering Aspects of the Superstition Hills Earthquakes of November 14, 1987, in Southern California

• April 7, 1988, meeting no. 260
• Martin Whitehouse - Radiogenic Isotope Studies of Archaen Crustal Growth: A Case Study from Northwest Scotland
• John Howie - A Look Beneath the Continental Margin and Southern Coast Ranges of Central California with Wide-Angle Seismic Data

• May 5, 1988, meeting no. 261
• Richard Pike - Digital Topographic Imagery: A New Tool for Structural, Engineering, and Field Geologists
• Steve Bohlen - Pressure-Temperature-Time Paths and the Tectonic Evolution of Ancient Mobile Belts

• October 13, 1988, meeting no. 262
• Norman H. Sleep - Origin of Ocean Crust

• January 12, 1989, meeting no. 263
• M. Clark Blake, Jr. - Ophiolites as Indicators of Structural Attenuation: Examples from Northern California, New South Wales and the Western Alps

• February 2, 1989, meeting no. 264
• Alan Carroll - Sedimentation and Tectonics of the Jungar and Tarim Basins, N.W. China
• David A. Clague - Results from GLORIA Sidescan Imagery Around the Hawaiian Islands

• April 6, 1989, meeting no. 265
• William R. Normark - Late Quaternary History of the Monterey Fan: A Sedimentologically Dynamic Area As Observed From ALVIN and GLORIA

• May 4, 1989, meeting no. 266
• Sue DeBari - The Roots of Magmatic Arcs
• Paul Segall - Production of Oil and Gas: A Cause of Earthquakes?

• October 5, 1989, meeting no. 267
• Karen Grove - Sedimentary Tectonic of the Salinian Terrain

• November 2, 1989, meeting no. 268
• Naomi Oreskes - Origin of Proterozoic Rare-Earth-Element Enriched Breccias at Olympic Dam, Southern Australia
• Alan Lindh - Indians, Earthquakes, and Nuclear War

• January 11, 1990, meeting no. 269
• Elizabeth L. Miller - Fragmentation of the Brooks Range Orogenic Belt, Alaska, During Cretaceous Extension
• David G. Howell - Tibet: Where Continents Collide

• February 1, 1990, meeting no. 270
• Norman H. Sleep - Michigan Earthquakes: How Good are Earthquake Catalogues?
• Robert Tilling - Introduction to the Film "Inside Hawaiian Volcanoes" Produced by the U.S. Geological Survey and the Smithsonian Institution

• March 1, 1990, meeting no. 271
• Michael Sawlan - Volcanic Arc to Continental Rift: Relationships between magmatism and tectonic setting in the Baja Peninsula-Gulf of California Region
• William Evans - Lakes Nyos and Monoun, Cameroon: Will the disaster reoccur?

• April 5, 1990, meeting no. 272
• Fred W. Klein - Introduction to the Video Presentation of: "Aftershocks in the Loma Prieta Earthquake: Computer Animations" by Fred W. Klein and Stephen R. Walter
• Lisa D. White - Stratigraphic and Paleo-oceanographic Overview of Chert Intervals in the Miocene Monterey Formation, California

• June 7, 1990, meeting no. 273
• Robert Jachens - Analysis of Concealed Mineral Resources in Nevada: Insights from Gravity and Magnetic Anomalies

• November 15, 1990, meeting no. 274
• Howard W. Oliver - Is Yucca Mountain, Nevada a Safe Place to Store High-Level Nuclear Waste? Major Issues, Results to Date, and Comparisons with European Plans
• Walter Mooney - The Roots of Yucca Mountain, Nevada as Determined by Seismic Data

• December 13, 1990, meeting no. 275
• Charles R. Bacon - Igneous Rocks of the Transvaal, South Africa
• Gerald K. Czamanske - Norilsk, Siberia; The Area and Copper, Nickel, and Platinum Ores

• January 17, 1991, meeting no. 276
• Amos M. Nur - Earthquakes in the Holy Land
• Michael F. Hochella - Using Microscopes That Can See Atoms: Applications to the Earth Sciences

• February 7, 1991, meeting no. 277
• Ronald J.P. Lyon - Remote Sensing: Airborne Chemistry at 300 mph
• Irwin Remson - Hydrology of a Tropical Wetlands: Chiapas, Mexico

• March 7, 1991, meeting no. 278
• H. Gary Greene - Monterey Canyon: Submarine Exploration of an Underwater "Grand Canyon"

• April 4, 1991, meeting no. 279
• Leslie C. Gordon - Earth Science Awareness and Education: What Crucial Role Do We Play? -- Presidential Address
• Alan Carroll - Late Paleozoic Tectonics, Sedimentation, and Petroleum Potential of Northwest China

• May 23, 1991, meeting no. 280
• Keith Kvenvolden - Natural Gas Hydrates: Their Role in Global Change
• David G. Howell - Earth Nectar: Napa Valley Wines and the Earth from Which They Arise (Video)

• November 5, 1992, meeting no. 281 Landers Earthquake
• Mike Rymer - Surface Faulting
• Bob Simpson - Static Stress Changes on Nearby Faults
• David P. Hill - Remotely Triggered Seismicity
• John W. Hillhouse - Paleomag Constraints on Earthquake Models
• Mike Lisowski - Deformation Inferred from Geodetic Data

• January 19, 1993, meeting no. 282 Nature of the Plate Boundary in the San Francisco Bay Area, Part I
• Ben Page - The Evolving Transform System in Central California
• Thomas M. Brocher - Deep Geologic Structure from the San Francisco Bay Area Seismic Imaging Experiment (BASIX)
• M. Clark Blake, Jr. - Proto San Andreas Fault and Strike-Slip Tectonics: Setting the Stage for Late Cenozoic Deformation
• Earl Brabb - What's New in Cenozoic Structural Geology in the San Francisco Bay Area

• March 18, 1993, meeting no. 283 Nature of the Plate Boundary in the San Francisco Bay Area, Part II
• Carl Wentworth - Introduction
• Dave Oppenheimer - Seismicity and Evidence for Near-Vertical Faults
• Mike Lisowski - Evidence on Plate Motions from Geodetic Measurements
• Sandy Fuguers - Major Faults in the Vallejo-Benicia Area
• David L. Jones - Geologic Evidence for Thrust Motion Along the Plate Boundary

• May 4, 1993, meeting no. 284 Nature of the Plate Boundary in the San Francisco Bay Area, Part III
• Robert D. Brown - Introduction
• Peter Ward - Origin of the Great Valley of California and the Evolution of the Plate Boundary since the Jurassic
• Jean Olson - Marked Contrast in Active Deformation Patterns in the San Francisco Peninsula: Evidence from Seismicity and Geomorphology
• Mary Lou Zoback - The 1957, M=5.3 Daly City Earthquake: Low-Angle Detachment Event Adjacent to the San Andreas Fault

• October 7, 1993, meeting no. 285 Nature of the Plate Boundary in the San Francisco Bay Area, Part IV
• Andrew Griscom (with Bob Jachens) - New Gravity and Magnetic Models of Plate Structures in West-Central California
• Mark Zoback - Strong Plates and Weak Plate Boundaries
• Steve Hickman - Plans and Purposes for Drilling the San Andreas Fault

• November 16, 1993, meeting no. 286 Nature of the Plate Boundary in the San Francisco Bay Area, Part V
• Andrew Griscom - New Magnetic Models of Ophiolite Structures in West-Central California
• Vince Ramirez - New Seismic Reflection Data on the Nature of the Coast Range Thrust and Plate Boundary in Northern California

• February 3, 1994, meeting no. 287 Current Status of Petroleum Exploration, Mining, and Tectonic Studies in Alaska
• George Plafker - Introduction
• Warren J. Nokleberg - Tectonic Controls for Major Metallogenic Belts and Deposits in Alaska
• Les Magoon - Past, Present, and Future Petroleum Resources in Alaska
• Paul Carlson (with Keith Kvenvolden) - The Connection Between Two Catastrophic Oil Spills in Prince William Sound on Good Friday of 1964 and 1987

• April (sometime), 1994
• Jim Rytuba, Bob McLaughlin, and many others led a field trip to the New Almandan Mine south of San Jose

• April 26, 1994, meeting no. 288
• Dan Ponti - The Northridge Earthquake: Ground Deformation and its Relation to Blind Thrust Faulting
• Bob Bohannon - Tectonic Implication of Post-30 Ma Pacific and North American Relative Plate Motions

• May 24, 1994, meeting no. 289
• Mehmet Çelebi - The Northridge Earthquake: Building Damages and their Relation to Ground Motion
  
  Precursors to Sierra Nevada Field Trip
  
  
• James G. Moore - A Geologic Section through the Southern Sierra
• Warren J. Nokleberg - The Boyden Cave Roof Pendant: A Collage of Terrains Accreted During Emplacement of the Sierra Nevada Batholith
• Tom Sisson - A Geologic Traverse Through the Zoned Sequoia Intrusive Suite
• George A. Thompson - Preliminary Results of New Detailed NSF Seismic Study of the Sierra Nevada Root

• May 24-25 1994 (date wrong? too close to May 24 meeting)
• James G. Moore, Warren J. Nokleberg, and Tom Sisson - led a two-day field trip through Kings Canyon National Park providing a geologic section almost entirely through the southern Sierra Nevada.

• November 30, 1994, meeting no. 290
• Richard A. Muller - The 100,000-Year Glacial Cycle: Most Theories are Wrong

• February 2, 1995, meeting no. 291
• Walter Alvarez - The Distribution Pattern & Dynamics of K/T Ejecta from Chicxulub Crater, Yucatan

• March 23, 1995, meeting no. 292
• Carol Prentice - (with Tom Holzer) - Kobe Earthquake, Cause, Effects, and Lessons

• April 20, 1995, meeting no. 293
• Bill Glen - K/T Extinction: What's Become of the Alvarez Group's Impact Theory?

• May 2, 1995
• Bonnie Murchey and others - led a joint PGS/AAPG field trip in San Francisco and Marin County

• September 28, 1995, meeting no. 294
• Bob Coleman - New Idria Serpentininte, A Land Mangement Dilemma - What's the risk from exposure to asbestos?

• October 14-15, 1995
• Bob Coleman - led a field trip to the New Idria Serpentininte

• October 26, 1995, meeting no. 295
• Michael H. Carr - Water on Mars: Implications for formation of terrestrial planets

• February 7, 1996, meeting no. 296 New Thoughts on Old Faults
• Paul Segall - 1868 Earthquake on the Hayward Fault: New Perspectives
• Bob Simpson - Effect of the 1989 Loma Prieta Earthquake on Other Bay Area Faults

• March 6, 1996, meeting no. 297 Mineral and Energy Resources: Their Future and Societal Issues
• Eugene Thiers - Issues confronting the Minerals Industry and Our Survival
• Lynn Orr - Changing U.S. Energy R&D Policy

• April 3, 1996, meeting no. 298 Mendocino: Our Very Own Triple Junction
• Bob McLaughlin - Framework Geology of the Mendocino Triple Junction Region
• Bob Jachens - Structure of the Mendocino Triple Junction: A Snapshot of an Unstable System

• May 8, 1996, meeting no. 299 Mendocino: Our Very Own Triple Junction, Part II
• David Oppenheimer - Seismicity of the Mendocino Triple Junction
• Simon Klemperer - Seismic images of the Mendocino Triple Junction - the '93, '94 Continental Dynamics Project

• May 18-19, 1996
• Ken Lajoie (USGS, Coordinator), Bob Anderson (U.C. Santa Cruz), Bill Glen (College of San Mateo), Ralph Hunter (USGS, retired), Bob Jachens (USGS), Gary Simpson (Wm. Lettis & Associates), Joan Van Velsor (CALTRANS), Jerry Weber (Weber, Hayes, & Associates), Robert Zatkin (formerly USGS), Mary Lou Zoback (USGS) - led a field trip: "Coastal geology: San Francisco to Santa Cruz; Quaternary Tectonics, Sedimentation, Engineering Problems"

• October 3, 1996, meeting no. 300
• Susan DeBari - Magmatic Arc Lower Crust - What's Going On?
• Michael A. Clynne - Volcanism in the Southern Cascades - What's Going On?

• November 2, 1996
• Russ Evarts, Bob Coleman, and Gary Ernst - led a field trip: "The Diablo Range, Ophiolites, & Metagraywackes"

• November 12, 1996, meeting no. 301 Red Planet Riddles
• Simon Clemett - PAH from a Martian Meteorite
• Jack Farmer - Implications for Life in the Solar System

• January 9, 1997, meeting no. 302 Geology more than skin deep: Science below the surface
• Don DePaolo - Hawaiian scientific drilling project
• Mark Zoback - Testing fundamental theories of earthquake mechanics through fault-zone drilling

• February 18, 1997, meeting no. 303
• W.G. Ernst - Eurasian ultrahigh-pressure collisional belts
• J.G. Liou - New work on the Dabie-Sulu UHP terrane

• March 6, 1997, meeting no. 304
• Steve Graham and Lisa Lamb - Geologic architecture and tectonic accretion of Mongolia

• April 10, 1997, meeting no. 305
• Walter Mooney - Global model of crustal structure and growth
• Gary Fuis - Structure and evolution of the Brooks Range

• May 19, 1997, meeting no. 306
• Amos Nur - Earthquakes and archaeology in the eastern Mediterranean and ancient Near East

• June 3, 1997, meeting no. 307
• Ray Wells - Regional kinematics, crustal faults, earthquakes, and segmentation of Cascadia
• Rick Blakely - Geophysical evidence for crustal faulting and earthquake hazards in the Portland Basin and Willamette Valley

• September 16, 1997, meeting no. 308 Geologic Mapping for the 21st Century
• David Howell, Robert Jachens, Carl Wentworth, Todd Fitzgibbon, Clara Chan, Michelle Roberts, and Skip Pack - Buck Rogers to R2D2:GPS/GIS/continuous 3-D geology/and more!

• January 13, 1998, meeting no. 309
• Dave Des Marais - Astrobiology - Understanding life in the Universe

• February 11, 1998, meeting no. 310
• Jeff Mount - Flooding in the West: Lessons Learned... Yet Again?

• March 10, 1998, meeting no. 311
• George Thompson - Deep Mantle Plumes and Geoscience Vision

• April 14, 1998, meeting no. 312 Ben Page Seminar, Part I
• Earl Brabb - Bay Area Landslides
• Bob Mclaughlin - Neotectonic deformation of Cretaceous-Paleocene tectonic wedge, San Francisco Bay Block, spirited conversations with Ben

• May 19, 1998, meeting no. 313 Ben Page Seminar, Part II
• Tom Brocher - Synthesis of the Deep Crustal Seismic Structure in the San Francisco Bay Area
• Simon Klemperer - Crustal Structure of the Great Valley and the California Coast Ranges

• May 30, 1998
• Clark Blake, University of Western Washington and Carl Wentworth, USGS, Menlo Park - led a field trip "New views on Franciscan structure and metamorphism in the Lick Observatory Quadrangle"

• June 9, 1998, meeting no. 314
• Rich Bernknopf and Herman Karl - Science for Decision Making - The Benefits to Society of Reducing Uncertainty

• October 6, 1998, meeting no. 315
• Steve Bohlen - Science Funding and the Future of Earth Sciences

• November 3, 1998, meeting no. 316
• Mike McWilliams and Trevor Ireland - Ion microprobes and the cutting edge of geochemistry

• December 1, 1998, meeting no. 317
• Peter S. Fiske - The Demise of Dinosaurs ... and Democrats?!?: An Insider's Look at Meteorite Impact Hazards - The Scentific and the Political Dimensions

• January 5, 1999, meeting no. 318
• Chet Wrucke - Once upon a time I went looking for the Denali fault of Alaska. What did I find? -- Presidential Address

• February 2, 1999, meeting no. 319
• Elizabeth Miller - Geology of the Bering Strait Region, Alaska and Russia

• March 9, 1999, meeting no. 320
• Dan Ponti and Suzanne Hecker, and material from Dave Schwartz - Paleoseismic Reconnaissance Along the Surface Rupture of the Great 1905 Bulnay, Mongolia Earthquake

• April 6, 1999, meeting no. 321
• Art Ford - The Art of a Layered Mafic Intrusion - Magmatic Differentiation Processes Shown in a Photographic Tour of the Dufek Intrusion of Antarctica

• May 4, 1999, meeting no. 322
• Rob Dunbar - El Niño Past, Present, and Future: Clues from Corals

• October 19, 1999, meeting no. 323
• Thomas L. Holzer - The Izmit, Turkey, Earthquake of August 17, 1999

• November 16, 1999, meeting no. 324
• Lynn Orr - CO₂ Sequestration in the Deep Ocean

• January 18, 2000, meeting no. 325
• Scott Fendorf - Trace Element Cycling within Wetland Ecosystems

• February 15, 2000, meeting no. 326
• Peter Vitousek - Sources of Elements over Long-Term Soil Development in the Hawaiian Islands

• March 21, 2000, meeting no. 327
• Ross Stein - Bricks & Springs, Triggers & Shadows, or "What's Next in Earthquake Forecasting?" (a demo and slide show)

• April 18, 2000, meeting no. 328
• Jim Moore - Exploring the Highest Sierra

• May 16, 2000, meeting no. 329
• Pam Matson - Global Change in the Nitrogen Cycle: Implications for tropical soils and ecosystems

• May 19-21, 2000
• Gary Ernst, Nick Johnson, Gary Greene, Barry Hecht, and Jeff Norman - led a field trip to the Salina/Nacimento amalgamated terrane, Big Sur coast, central California using a field guide prepared by Robert Zatkin and Mike Diggles

• October 3, 2000, meeting no. 330
• David Howell - Earth nectar-the geology and wines of Napa Valley

• November 7, 2000, meeting no. 331
• Gary Ernst - Geology and petrochemistry of the Sawyers Bar area, central Klamath Mountains: evolution of an oceanic island arc

• December 5, 2000, meeting no. 332
• Charlie Bacon - Aniakchak Volcano, a Holocene caldera in the Aleutian arc

• January 9, 2001, meeting no. 333
• Atilla Aydin - Puzzles left behind by the 1999 Turkish earthquakes

• February 13, 2001, meeting no. 334
• David Howell, Donald Kennedy, Robyn Dunbar, Suzanne Frew, and a troika of interns - Crowding the Rim-how population growth and economic globalization enhance the risk of natural hazards...and what we plan to do about it!

• March 6, 2001, meeting no. 335
• Bob Christiansen - Volcanic Evolution of Mount Shasta

• April 10, 2001, meeting no. 336
• Don Lowe - Geologic evidence for large impacts on the pre-3.0 Ga Archean Earth

• May 1, 2001, meeting no. 337
• Jim Calzia - SWEATing the details: Stratigraphic ties between Death Valley and Antarctica?

• May 17-20, 2001
• Bob Christiansen and Gary Ernst - led a four-day field trip to northern California: Mt. Shasta and the Klamath Mountains

• June 5, 2001, meeting no. 338
• Don Gautier - The energy crisis and the availability of oil and gas

• October 16, 2001, meeting no. 339
• Gary Ernst - Petrotectonic evolution of the Mount Barcroft area, central White Mountains, easternmost California -- Presidential Address

• November 13, 2001, meeting no. 340
• Jim Ingle - History of the Gulf of California: evidence from sediments, subsidence, and Steinbeck

• December 2, 2001
• David Howell - Field trip to the Napa Wine Country on December 2, 2001, that was a preview of a forthcoming book by Jonathan Swinchatt and David Howell, The Winemaker's Dance

• December 4, 2001, meeting no. 341
• Cal Stevens and Paul Stone - Late Paleozoic and Triassic tectonic events in east-central California: precursors to development of the Sierran magmatic arc

• January 8, 2002, meeting no. 342
• Mark Zoback, Stanford University Dept. of Geophysics - Force-Limited Lithospheric Deformation: Constraints Imposed by Crustal Strength and Lithospheric Rheology

• February 12, 2002, meeting no. 343
• Jake Lowenstern, U.S. Geological Survey - Uncovering the Buried Secrets Beneath Medicine Lake Volcano

• March 12, 2002, meeting no. 344
• Stephanie Prejean, Stanford University Dept. of Geophysics - The Interaction Of Magmatic And Tectonic Processes in the Long Valley Caldera, Eastern California

• April 9, 2002, meeting no. 345
• George Brimhall, U.C. Berkeley Dept. of Earth and Planetary Science - Digital Geological Mapping: Revolution or Regression?

• May 14, 2002, meeting no. 346
• Gary Greene, Moss Landing Marine Lab (CSU system) - Recent Perspectives on Submarine Canyon Formation and Evolution

• June 1, 2, and 3, 2002
• Gary Ernst (Stanford University) and Mike Diggles (U.S. Geological Survey) - Three-day field trip to the White-Inyo Range in Mono and Inyo counties on the eastern edge of the Owens Valley in eastern California. This link goes to the field guidebook and a photo essay.

• June 11, 2002, meeting no. 347
• Amos Nur, Stanford University Dept. of Geophysics - What's new in Earthquakes and Archaeology

• October 15, 2002, meeting no. 348
• Jessica Murray, Stanford University Dept. of Geophysics - Testing Time-Predictable Earthquake Recurrence by Direct Measurement of Strain Accumulation and Release

• November 12, 2002, meeting no. 349
• Charlie Bacon, U.S. Geological Survey - Volcanoes, Landslides, and the Water Level in Crater Lake, Oregon

• December 3, 2002, meeting no. 350
• Herman Karl, U.S. Geological Survey - Beyond the Golden Gate-Oceanography, Geology, Biology, and Environmental Issues in the Gulf of the Farallones

• January 14, 2003, meeting no. 351
• Michelle Coombs, U.S. Geological Survey - New Insights into Hawaiian Volcanoes: A Submarine Perspective

• February 11, 2003, meeting no. 352
• C. Page Chamberlain, Stanford University, Dept. of Geological and Environmental Sciences - Late Cenozoic Topographic History of the Western United States - as Seen Through Stable Isotopes

• March 11, 2003, meeting no. 353
• Catherine W. Skinner, Yale University - Medical Geology

• April 8, 2003, meeting no. 354
• David Schwartz, Tim Dawson, Dave Keefer, and Robert Kayen, U.S. Geological Survey - The November 2002, Denali Fault Earthquake: Was This Alaska Shock a Preview of California's Next "Big One"?

• May 13, 2003, meeting no. 355
• Cindy Heazlit, Hawai‘i Speleological Survey - Hawai‘i Lava Tubes - A Tour of Discovery

• June 3, 2003, meeting no. 356
• Robert Christiansen, U.S. Geological Survey - A Lithospheric-Interaction Model for the Yellowstone and Newberry Melting Anomalies -- Presidential Address

• November 11, 2003, meeting no. 357
• Greg Stock, U.C. Santa Cruz - Determining the Pace of Landscape Evolution in the Sierra Nevada, California, Using Cosmogenic Dating of Cave Sediments

• December 16, 2003, meeting no. 358
• John Stockwell - The Formation of Thundereggs

• January 13, 2004, meeting no. 359
• Hilde Schwartz, U.C. Santa Cruz - When Tube Worms Ruled the Great Valley: Ancient Cold Seep Deposits and Chemosynthetic Communities in the Panoche and Tumey Hills, NW San Joaquin Valley

• February 10, 2004, meeting no. 360
• David John, U.S. Geological Survey - Hydrothermal Alteration on Active Cascades Volcanoes: Applications to Volcanic Hazards

• March 16, 2004, meeting no. 361
• Joyce Blueford, Math/Science Nucleus - Earthquake History Preserved in Tyson Lagoon: A New Environmental Wetland Center that Happens to be Right on the Hayward Fault

• April 3, 2004 (PDF file - 60 KB)
• Hilde Schwartz, U.C. Santa Cruz - led a field trip to the Panoche and Tumey Hills, NW San Joaquin Valley.

• April 13, 2004, meeting no. 362
• June Oberdorfer, Dept. of Geology, San Jose State University - Submarine Groundwater Discharge: Intercomparison Experiments

• May 11, 2004, meeting no. 363
• Barbara Bekins, U.S. Geological Survey - Hydrogeology and the Weak Nature of Plate Boundary Faults

• May 15, 2004
• Steve Edwards, Director of the Regional Parks Botanic Garden in Berkeley - led a field trip to the Robert Sibley Volcanic Regional Preserve in the Berkeley Hills

• September 14, 2004 , meeting no. 364
• Thomas Mohr, Santa Clara Valley Water District - Groundwater Protection in the Santa Clara Valley - the Role of Geology

• October 12, 2004 , meeting no. 365
• Bruce Rogers, U.S. Geological Survey - Karst and Cave Development in the Yukatan

• November 9, 2004 , meeting no. 366
• George Plafker, U.S. Geological Survey - A Look Back at the Great M 9.2 Alaska Earthquake of March 27, 1964: What was Learned About Arc Tectonics

• December 14, 2004 , meeting no. 367
• James Moore, U.S. Geological Survey - Clarence King and the Lure of Mount Shasta
• Michael Diggles, U.S. Geological Survey - Peninsula Geological Society: 50th Anniversary

• January 11, 2005 , meeting no. 368
• Ted McKee, U.S. Geological Survey - Geophysics, Geology, and 3-D Computer Simulation Used to Model the Silent Canyon Caldera, Nevada Test Site. This meeting was also an "Honor-Howard-Oliver" fest. Andy Griscom came out from retirement in Massachusetts for this.

• February 8, 2005 , meeting no. 369
• Charlie Bacon, U.S. Geological Survey - Mount Veniaminof, A Huge Volcano in the Aleutian Arc

• March 8, 2005 , meeting no. 370
• John Wakabayashi - Locally-Driven Tectonic Inversion and Other Phenomena Linked to Evolution of Step-Over Regions Along Strike-Slip Faults

• April 12, 2005, meeting no. 371
• Mark Zoback, Stanford University and Mike Rymer, U.S. Geological Survey - The San Andreas Fault: “The Lecture” -- (to be followed by “The Field Trip” in May)

• May 10, 2005, meeting no. 372
• Rolfe Erickson, Sonoma State University Geology Department - Granites in the Franciscan Complex, Cazadero Area, California

• June 7, 2005, meeting no. 373
• Walter Mooney, U.S. Geological Survey - The Great Sumatran Earthquake and Tsunami

• October 9, 2005,
• Rolfe Erickson, Sonoma State University Geology Department - led a field trip on Granites in the Franciscan

• November 8, 2005, meeting no. 374
• Jonathan Payne, Stanford University Department of Geological and Environmental Sciences - A Multi-Proxy Record of Recovery from the End-Permian Mass Extinction

• December 13, 2005, meeting no. 375
• Robert J. Stern, University of Texas at Dallas - Evidence from Blueschists, UHP metamorphic terranes, and ophiolites that Plate Tectonics began in Neoproterozoic time (1000-542 Ma)

• January 10, 2006, meeting no. 376
• Barbara John, University of Wyoming - Slow Spreading Mid-Ocean Ridges: One Last Frontier in Plate Tectonics?

• February 7, 2006, meeting no. 377
• George Hilley, Stanford University - Imaging slow moving landslides in the Bay Area using Synthetic Aperture Radar Interferometry Permanent Scatterer Analysis

• March 14, 2006, meeting no. 378
• George Plafker, U.S. Geological Survey - New Evidence for the Source of the Devastating Banda Acheh Tsunami of 2004

• April 11, 2006, meeting no. 379
• Mike H. Carr, U.S. Geological Survey - Water on Mars - what have we learned from the Mars Rovers?

• May 16, 2006, meeting no. 380
• Russ Dyer, Office of Civilian Radioactive Waste Management - Assessing the Long-Term Performance of a Geologic Repository at Yucca Mountain, Nevada

• June 6, 2006, meeting no. 381
• Ray E. Wells, U.S. Geological Survey - Block Rotations and Earthquake Hazards in the Pacific Northwest -- Presidential Address

• June 24, 2006, Spring Field Trip
• Carol Prentice and Bob McLaughlin, U.S. Geological Survey led a field trip: - The 1906 Earthquake and the San Andreas Fault on the San Francisco Peninsula

• October 10, 2006, meeting no. 382
• Jeremy Hourigan, U.C. Santa Cruz - 'Roasted Flysh: A Kamchatkan Recipe for making Continental Crust' and other tales of the Russian Pacific

• November 7, 2006, meeting no. 383
• Paul S De Carli, Senior Scientist Emeritus, SRI International - Diamonds, Meteorites and the Origin of the Solar System

• December 5, 2006, meeting no. 384
• J. Luke Blair, James Lienkaemper, Scott Haefner, Marco Ticci, USGS Earthquake Hazards Team - Exploring Your Earthquake Hazards Using Google Earth

• January 9, 2007, meeting no. 385
• Andy Calvert, USGS Volcano Hazards Team, Menlo Park, Calif. - Dating the Three Sisters with High Resolution Ar/Ar

• February 13, 2007, meeting no. 386
• John Tinsley, USGS Western Earthquake Hazards Team, Menlo Park, Calif. - Sierran Caves and the Earth Sciences—Examples from Sequoia and Kings Canyon National Parks Including Images of Recent New Finds

• March 13, 2007, meeting no. 387
• Ross Stein, USGS Western Earthquake Hazards Team, Menlo Park, Calif. - Earthquake Hazards of Tokyo -- A Global Problem

• April 10, 2007, meeting no. 388
• Jason Saleeby, CalTech, Pasadena, Calif. - Exhumation of the Deep-Levels of the Southern Sierra Batholith, Southern California

• May 8, 2007, meeting no. 389
• Jake Lowenstern , U.S. Geological Survey, Scientist In Charge, Yellowstone Volcano Observatory - Intrusion, Deformation and Degassing at the Yellowstone Caldera

• June 5, 2007, meeting no. 390
• Elizabeth Miller, Stanford University - The Arctic Plate Tectonic Puzzle: A Russian Perspective. Vice-Presidential Address

• October 9, 2007, meeting no. 391
• Jim Moore, Emeritus Scientist, U.S. Geological Survey - Growth of Giant Potassium Feldspar Crystals in Sierra Nevada Granite

• November 13, 2007, meeting no. 392
• Gary Fuis, U.S. Geological Survey - The Plate Boundaries in Southern California and South Island New Zealand: New Observations and Implications for Plate Tectonics

• December 4, 2007, meeting no. 393
• Marty Grove, UCLA/Stanford Geochronology - Evolution of the Colorado River: Culmination of a Major Cenozoic Transformation of SW North American Drainage Patterns

• February 12, 2008, meeting no. 394
• Victoria Langenheim, U.S. Geological Survey - Geophysical Vignettes from the Wine Country: What We've Learned about Basin and Fault Evolution

• March 11, 2008, meeting no. 395
• Don Gautier, U.S. Geological Survey - U.S. Geological Survey Circum-Arctic Resource Appraisal: Oil and Gas Resource Potential of the Highest Northern Latitudes

• April 8, 2008, meeting no. 396
• Steve Kirby, U.S. Geological Survey - Putting Some Fizz into Geofizzics: Plumes and Earthquakes

• May 13, 2008, meeting no. 397
• Jonathan T. Hagstrum, U.S. Geological Survey - The Geophysical Basis of Avian Homing and Migration: Infrasonic Map Cues Coupled to the Atmosphere from Microseismic Waves

• June 10, 2008, meeting no. 398
• Thomas E. Moore, U.S. Geological Survey - Birth, Death, and Resurrection of the Brooks Range, Alaska: Structural Architecture of a Major North American Fold-And-Thrust Belt -- Presidential Address

• September 30, 2008, meeting no. 399
• Tom Brocher,U.S. Geological Survey - A Retrospective Look at the 1868 Hayward Earthquake

• November 11, 2008, meeting no. 400
• Howard Wilshire and Jane Nielson - Of Geology and Human Wastes

• December 2, 2008, meeting no. 401
• Tom Hanks, U.S. Geological Survey - The Travels of Clyde Kluckhohn and the Photographs of James Hanks, 1927-1928: Repeat Photography, Virtual Repeat Photography, and Earth-Surface Change in the Photographic Era

• January 13, 2009, meeting no. 402
• Russell W. Graymer, U.S. Geological Survey - Recent Observations and Calculations Regarding Earthquake Hazards in the East San Francisco Bay Area

• February 3, 2009, meeting no. 403
• Andrew P. Barth, Indiana University-Purdue University Indianapolis - Assembling and Disassembling California: A Chronologic Framework for Proterozoic Crustal Evolution in Southern California

• March 10, 2009, meeting no. 404
• Richard B. Firestone, Lawrence Berkeley National Laboratory - Mammoths, Meteorites and Supernovae

• April 7, 2009, meeting no. 405
• Dave Stonestrom, U.S. Geological Survey - A Hydrogeological Perspective on Nuclear Waste—Tales from the Trenches (Hanford’s and Beatty’s)

• May 12, 2009, meeting no. 406
• Joseph P. Colgan, U.S. Geological Survey - Rapid Middle Miocene Collapse of the Sevier Orogenic Plateau in North-Central Nevada

• June 2, 2009, meeting no. 407
• Keith A. Howard, U.S. Geological Survey - How calderas work-Perspectives from the Galapagos and Yucca Flat -- Presidential Address

• October 6, 2009, meeting no. 408
• Jonathan D. Stock, U.S. Geological Survey - Linking the Ridge to the Reef—Adventures in Hawaiian Geomorphology

• November 10, 2009, meeting no. 409
• George Hilley, Department of Geological and Environmental Sciences at Stanford - Topographic Response to Active Deformation in the Santa Cruz Mountains, California

• December 1, 2009, meeting no. 410
• Simon Klemperer, Stanford University - Rupturing Continental Lithosphere in the Main Ethiopian Rift—A Hot Plume Meets a Cold Craton

• January 12, 2010, meeting no. 411
• Brian Hausback, Sacramento State University - Sutter Buttes—Volcano in the Sacramento Valley

• February 9, 2010, meeting no. 412
• Eric L. Geist, U.S. Geological Survey - Tsunami Generation and the Curious Case of the M=8.1 2009 Samoa Earthquake

• March 9, 2010, meeting no. 413
• Robin Stewart, U.S. Geological Survey Water Resources National Research Program - Understanding the Influence of Food Web Dynamics on Mercury and Selenium Bioaccumulation in Nature

• April 13, 2010, meeting no. 414
• David L. Wagner, California Geological Survey - The Oak Creek Debris and Mudflows of July 12, 2008; Inyo County, California

• May 11, 2010, meeting no. 415
• Julie Fosdick, Department of Geological & Environmental Sciences at Stanford University - Linking Fold-Thrust Belt Deformation and Exhumation to Foreland Basin Evolution: A Traverse of the Patagonian Andes

• June 1, 2010, meeting no. 416
• Vicki Langenheim, Geology and Geophysics Science Center at the U.S. Geological Survey - Unraveling the Structural Knot in the Southern San Andreas Fault -- Presidential Address

• October 5, 2010, meeting no. 417
• James G. Moore, U.S. Geological Survey - Native American Granite Cisterns in the Sierra Nevada

• November 9, 2010, meeting no. 418
• Darcy Ogden, Scripps Institution of Oceanography - Rockets Made of Rocks?, What Jet Engines Can Teach Us About Explosive Volcanoes

• December 7, 2010, meeting no. 419
• Thomas D. Bullen, Hydrologist, U.S. Geological Survey - Sources of Transition Metals in Dust: Developing a Metal Stable Isotope Multi-tracer

• January 11, 2011, meeting no. 420
• Jessica Oster, Stanford University - Reconstructing Precipitation Variability in California Using Sierra Nevada Speleothems

• February 8, 2011, meeting no. 421
• Stephen Self, The Open University, Milton Keynes Campus, UK, and U.S. NRC - Emplacement of Continental Flood Basalt Lava Flow Fields

• March 8, 2011, meeting no. 422
• Michael Sawlan, U.S. Geological Survey - Unraveling the Stratigraphy and Genesis of the Grande Ronde Basalt, Columbia River Basalt Group, Using New, High-Quality Geochemical and Paleomagnetic Data from Selected Sections Across the Columbia Plateau and into the Columbia River Gorge

• April 14, 2011, meeting no. 423
• Richard Nevle, Bellarmine College Preparatory and Santa Clara University - Neotropical Human-Landscape Interactions, Fire, and Atmospheric CO₂ During European Conquest

• May 10, 2011, meeting no. 424
• Jorge Vazquez, U.S. Geological Survey - Durations of Magma Storage and Evolution at Large and Small Silicic Volcanoes

• June 7, 2011, meeting no. 425
• Jon Hagstrum, U.S. Geological Survey - Berringian Megafaunal Extinctions at ~37 ka B.P.—Are Fe-Ni-S Particles Embedded in Late Pleistocene Tusks and Skulls Related to an Extraterrestrial Event? -- Presidential Address

• October 4, 2011, meeting no. 426
• Jonathan A. Warrick, U.S. Geological Survey - The Largest Dam Removal in U.S. History—Observations from the Elwha River, Washington

• November 8, 2011, meeting no. 427
• Jonathan Hendricks, San Jose State University - Integrating Paleontological, Morphological, and Molecular Sequence Data to Reconstruct the Phylogenetic Positions of Extinct Species

• December 13, 2011, meeting no. 428
• Jessica Lacy, U.S. Geological Survey - Interactions Among Eelgrass, Currents, and Waves in Puget Sound

• January 10, 2012, meeting no. 429
• David Finlayson, U.S. Geological Survey, Pacific Coastal and Marine Science Center, Santa Cruz, Calif. - Modern Seafloor Mapping at the USGS

• February 7, 2012, meeting no. 430
• Manoochehr Shirzaei, Berkeley Seismological Lab, U.C. Berkeley - Spatiotemporal Model of Creep on the Hayward Fault Inferred from Joint Inversion of 18 Years InSAR Time Series and Surface Creep Data

• March 6, 2012, meeting no. 431
• Sandra J. Carlson, Department of Geology, U.C. Davis - Crowns and Stems: What Exactly is a Brachiopod?

• April 10, 2012, meeting no. 432
• Mark Goodwin, Museum of Paleontology, U.C. Berkeley - Whatever Happened to Torosaurus? Extreme Cranial Ontogeny in Late Cretaceous Dinosaurs

• May 8, 2012, meeting no. 433
• Matty Mookerjee, Department of Geology, Sonoma State University - Three-Dimensional Thrust Wedge Deformation: Integrating Field Analysis with a Kinematic-Based Mathematical Model for the Moine Thrust Zone, NW Scotland

• October 9, 2012, meeting no. 434
• Naomi Matthews, U.S. Geological Survey - Tracking Magmatic Evolution at Long Valley Caldera through Zircon Geochronology and Geospeedometry

• November 13, 2012, meeting no. 435
• Paul Hsieh, U.S. Geological Survey - The Science Behind the Taming of the Deepwater Horizon Oil Spill

• December 11, 2012, meeting no. 436
• Christopher D. Henry, Nevada Bureau of Mines and Geology, University of Nevada, Reno - Cenozoic Far-Traveled Ignimbrites, Paleotopography, and Extension in the Great Basin

• February 12, 2013, meeting no. 437
• James J. Rytuba, Victoria E. Langenheim, and Daniel N. Goldstein, U.S. Geological Survey - Effects of the Paso Robles Geothermal System on Water Quality and Availability in the Paso Robles Groundwater Basin, California

• March 12, 2013, meeting no. 438
• Carl Wentworth, U.S. Geological Survey - The Quaternary Santa Clara Valley, California: Stratigraphy, Structure, and Problems

• April 9, 2013, meeting no. 439
• Trevor Dumitru, Department of Geological and Environmental Sciences, Stanford University - Three Stories About Episodic Accretion of Sediments and the Long-Term Growth of the Franciscan Accretionary Prism

• May 14, 2013, meeting no. 440
• Mark Zoback, Benjamin M. Page Professor, Department of Geophysics, Stanford University - Opportunities and Challenges of Producing Natural Gas from Organic-Rich Shales

• October 10, 2013, meeting no. 441
• Joe Colgan, U.S. Geological Survey - Cenozoic Magmatism and Extension in the Northern Great Basin, Western United States -- Presidential Address

• November 14, 2013, meeting no. 442
• Harry Cook, U.S. Geological Survey - Evolution of the Western North American Paleozoic Passive-Margin Carbonate Platform Through Time and Space and Its Large Reserves of Carbonate-Hosted Gold Deposits

• January 14, 2013, meeting no. 443
• Patricia McCrory, U.S. Geological Survey - Siletz-Crescent Forearc Terrane Revisited—Does a New Kinematic Model Solve an Old Puzzle?

• February 11, 2013, meeting no. 444
• David Shuster, U.C. Berkeley Department of Earth and Planetary Science -and- Berkeley Geochronology Center - Using Helium-Based Thermochronology to Quantify Topographic Evolution Through Space and Time

• March 11, 2013, meeting no. 445
• Cal Stevens, San Jose State University, Paul Stone, U.S. Geological Survey, and Richard Blakely, U.S. Geological Survey - Interpretations and Speculation on the Structural Development of Owens Valley

• April 8, 2013, meeting no. 446
• Manny Gabet, San Jose State University - Mima Mounds Have A Biotic Origin—New Model

• May 13, 2013, meeting no. 447
• Eitan Shelef and George Hilley, Stanford University - Randomness and Order in Branched Channel Networks

• November 11, 2014, meeting no. 448
• Kimberly Blisniuk, San José State University - The Southern San Andreas Fault: Earthquakes, Slip Rates and Quaternary Kinematics of Southern California

• December 9, 2014, meeting no. 449
• Tim Dawson, California Geological Survey - The August 24, 2014 South Napa Earthquake: Mapping an Earthquake Surface Rupture in the Digital Age

• January 13, 2015, meeting no. 450
• Felipe Aron, Stanford School of Earth Sciences - Breaking the Forearc with Megathrusts

• February 10, 2015, meeting no. 451
• Seth Burgess, U.S. Geological Survey - Using High-Precision Geochronology to Test the Link Between Magmatism and Mass Extinction

• March 10, 2015, meeting no. 452
• Greg Stock, National Park Service - New Tools for Understanding and Mitigating Rockfalls in Yosemite National Park

• April 14, 2015, meeting no. 453
• Sonia Tikoo, Berkeley Geochronology Center - Lunar Magnetism

• May 19, 2015, meeting no. 454
• Kayla Iacovino, USGS Volcano Hazards Team - Lunar Magnetism

• October 6, 2015, meeting no. 455
• Andrea Llenos, USGS Earthquake Science Center - Assessing Earthquake Hazards in the Anthropocene—Induced Seismicity in the Central and Eastern U.S.

• November 10, 2015, meeting no. 456
• Anne M. Sanquini, recently of School of Earth, Energy and Environmental Sciences, Stanford University - Inspiring Earthquake-Resistant Construction in the Kathmandu Valley, Nepal

• January 12, 2016, meeting no. 457
• Donald R. Lowe, Stanford School of Earth, Energy & Environmental Sciences and Gary R. Byerly, Louisiana State University - The Terrestrial Record of a Prolonged Late Heavy Bombardment: Evidence of Giant Impacts from 3.5-3.2 Billion-Year-Old rocks in the Barberton region, South Africa

• March 8, 2016, meeting no. 458
• Tiziana Vanorio, Stanford Rock Physics Laboratory - Cementing Roman Concrete to a Caldera—Rock physics of fibrous rocks akin to Roman concrete explains uplifts at Campi Flegrei Caldera

• May 10, 2016, meeting no. 459
• Sarah Minson, USGS Earthquake Science Center - Smartphone-Based Earthquake Early Warning in Chile

• June 14, 2016, meeting no. 460
• Andrew Michael, USGS Earthquake Science Center - International Aftershock Forecasting: Lessons from the Gorkha Earthquake

• November 8, 2016, meeting no. 461
• Walter Mooney, USGS Earthquake Science Center - Birth of an Ocean: The Origin of the Red Sea

• February 23, 2017, meeting no. 462
• David Rumsey, David Rumsey Map Center - Tour, presentation, and fellowship; joint meeting with the Northern California Chapter of The Explorers Club

• March 14, 2017, meeting no. 463
• Mark Stelten, USGS Volcano Science Center - The Timing and Hazard Implications of Volcanism in Northern Harrat Rahat, Kingdom of Saudi Arabia

• October 17, 2017, meeting no. 464
• Chet Wrucke, Bob Wrucke, and Ted Sayre - The Mystery of the San Andreas Fault in Portola Valley, Calif.

• December 5, 2017, meeting no. 465 (joint meeting with The Association for Women Geoscientists)
• Summer Praetorius, USGS Geology, Minerals, Energy, & Geophysics Science Center - Impacts of Missoula Megafloods on North Pacific Ocean Circulation

• February 13, 2018, meeting no. 466
• Tom Brocher, USGS Earthquake Science Center - Are We Still Seeing Aftershocks from a Large 1872 Earthquake in Central Washington?

• March 13, 2018, meeting no. 467
• Alex Cannara - How Could Thorium, a Rapidly Accumulating Byproduct of Rare-Earth Mining, Solve Climate Change and the Problem of Ocean Acidification?

• May the Fourth, 2018, meeting no. 468
• Pick and Hammer "Club" - A gathering at Moffett Field to enjoy an evening of USGSers poking fun with story and song at ourselves, the bureaucracy, and our great science.

• September 18, 2018, meeting no. 469
• Sarah Sarah Minson, USGS Earthquake Science Center - The Limits of Earthquake Early Warning

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Date created: March 17, 1995
Last modified: June 1, 2019
Created by: Mike Diggles, Webmaster, PGS.