Take this photographic field trip to classic subduction-related rocks across northern California. See image 1 for an introduction. California is considered a key locality for seeing and understanding rocks that come from all parts of subduction zones. Here are quick links to all the stops:
Day 1, Coast Range: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Day 2, Sierra Nevada: 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18
Day 3, Sierra Nevada: 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28
Enter Gallery
Images 1-12 of 116
- Schematic of SubductionStudy this before you start
- Key Map of GeologyGross geology of California
- Map of Stops, Days 1 and 4With stops marked
- Map of Stops, Days 2 and 3With stops marked
- Stop 1, Marin Headlands—The SettingRed chert displayed to perfection
- Stop 1, Marin Headlands: The Golden GateOverlooking Kirby Cove
- Stop 1, Marin Headlands: Radiolarian ChertA classic roadcut
- Stop 1, Marin Headlands: Nappe ThrustsThrust faulting
- Stop 1, Marin Headlands: Red Chert DeformationA postcard picture
- Stop 2, Ring Mountain PreserveHigh-grade blocks
- Stop 2, Ring Mountain Preserve: Tamalpais VistaA field of knockers
- Stop 2, Ring Mountain Preserve: GreenstoneAltered basalt knocker
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