PENINSULA GEOLOGICAL SOCIETY

Mt. Shasta and the Klamath Mountains Field Trip Photo Album and Guidebook

May 17 through 20, 2001 - Bob Christiansen and Gary Ernst lead a four-day field trip to northern California

Guidebook as PDF

Click here for a copy of the field guide (17 MB as a PDF file; 18 pages).

Photographs

photo of Mount Shasta
View of Mt. Shasta. Photo by Jenn Adleman.

photo of Mount Shasta, view 2
Another view of Mt. Shasta. Photo by Jenn Adleman.

photo of Mount Shasta, view 3
Another view of Mt. Shasta. Photo by Jenn Adleman.

photo of Mount Shasta, view 4
And yet another view of Mt. Shasta. Photo by Jenn Adleman.

photo of Steve and Patrick with Mount Shasta in the background
Steve and Patrick. Photo by Jenn Adleman.

photo of moss-covered large trees, looking up from the base with a wide-angle lens
Red fir at trailhead to Horse Camp. Photo by Jenn Adleman.

photo of inside of lava-flow-tube cave with light coming through a thirty-foot collapse in the roof
Skylight in Pluto Cave. Photo by Jenn Adleman.

photo of Gary Ernst at the side of the road pointing out features on a map; mountains in the background
Gary Ernst and Jed with geologic map of the Sawyers Bar area. Photo by Jenn Adleman.

photo of Gary Ernst at the side of the road pointing out features on a map; mountains in the background
Gary Ernst and Jed with geologic map of the Sawyers Bar area. Photo by Jenn Adleman.

photo of Mount Shasta
Mount Shasta from Stop 1. Photo by Bob Rorden.

photo of Bob Christiansen
Chris at first camp site. Photo by Bob Rorden.

photo of Mount Shasta
Mount Shasta from Stop 7. Photo by Bob Rorden.

photo of Jenn and Mary Jane
Jenn and Mary Jane. Photo by Mike Diggles.

photo of Yellow Lab licking a geologist
Kate and Callie. Photo by Mike Diggles.

photo of a dozen cars at a field stop
Vehicle lineup. Photo by Mike Diggles.

photo of geologists in a railroad cut
Flood deposit. Photo by Mary Jane Coombs.

photo of geologist with mountain in background
Chris and Shasta. Photo by Mary Jane Coombs.

head-and-shoulders photo of Bob Christiansen
Bob Christiansen. Photo by Mary Jane Coombs.

photo of student looking through erosion hole
"Keyhole." Photo by Mike Diggles.

photo of geologist atop a cliff
Mike on a large block. Photo by Mike Diggles.

photo of dog on ash deposit
Callie. Photo by Mike Diggles.

photo of Steve and Jenn under cliff
Steve and Jenn. Photo by Mike Diggles.

photo of Chet and Mary Jane under cliff
Chet and Mary Jane. Photo by Mike Diggles.

photo of Mary Jane
Mary Jane. Photo by Mike Diggles.

photo of Al Atkinson
Al Atkinson. Photo by Mike Diggles.

photo of Mike and Alix listening to lecture
Mike, Alix. Photo by Mary Jane Coombs.

photo of Alix listening to lecture
Alix. Photo by Mary Jane Coombs.

photo of Yellow Lab drinking from her owner's water bottle; owner holding it flat, quite cute
Callie drinking from her Nalgene water bottle. Photo by Mike Diggles.

photo of group with valley in background
Lecture on Etna Pass. Photo by Mike Diggles.

photo of couple posing on mound
Posing. Photo by Mike Diggles.

photo of river below in a gorge
North Fork, Salmon River. Photo by Mike Diggles.

photo of Sandy holding up her sample
Sandy. Photo by Mary Jane Coombs.

photo of basaltic pillow-shaped structures
Pillows. Photo by Mary Jane Coombs.

photo of basaltic pillow-shaped structures
Pillows at Stop 15. Photo by Bob Rorden.

photo of Gary Ernst with a big grin and a hand sample
Gary at the outcrop. Photo by Bob Rorden.

photo of red thistle, close-up
Thistle among the outcrops. Photo by Mary Jane Coombs.

photo of Mike with his flat rear tire
Mike's first flat. Photo by Bob Rorden.

photo of Mary Jane loosening lug nuts
Mary Jane changing Mike's flat. Photo by Mike Diggles.

photo of peaks in far background
Thompson Peak (9,002') on the left is the hightest point in the Trinity Alps. Tom Jackson pointed out that Mt. Eddy (9,025') is the hightest point in the Klamath Mountains. Photo by Mike Diggles.

photo of fire lookout
Eddy Gulch Lookout. Photo by Mike Diggles.

photo of folded rocks with hammer for scale
Stuart Fork rocks. Photo by Mike Diggles.

photo of a dozen folks walking back to the cars on a trail
Geologists returning from Pacific Crest Trail. Photo by Mike Diggles.

photo of tow truck hauling Toyota Four Runner away
AAA in Hopland after Mike's second flat. Photo by Mike Diggles.

Series of hand sample shots

photo of Tom with a hand lens
Tom. Photo by Mary Jane Coombs.

photo of Jenn with a hand sample
Jenn. Photo by Mary Jane Coombs.

photo of Michael with a handlens
Michael. Photo by Mary Jane Coombs.

photo of Al and Chet with handlenses
Al and Chet. Photo by Mary Jane Coombs.

photo of Gary with a hand lens and Chris
Gary and Chris. Photo by Mary Jane Coombs.

Two ways stuff is added to a continent

photo of Gary pushing his hand down
Subducted. Photo by Mary Jane Coombs.

photo of Gary pushing his hand up
Slapped on. Photo by Mary Jane Coombs.

Date created: 05/30/2001
Last modified: 03/13/2006
Created by: Mike Diggles, Vice President, PGS.

c/o U.S. Geological Survey, MS-951, 345 Middlefield Road, Menlo Park, CA 94025. (650) 329-5404. email Mike Diggles at mdiggles@usgs.gov
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