1. outcrop view of sheared serpentinite of the Hunter's Point serpentinite melange sub-terrane of the Franciscan Complex at Potrero Hill, San Francisco, California (Photo: E. Medley, 2000)
Detail: sheared serpentinite
2. detail view of outcrop of sheared serpentinite of the Hunter's Point serpentinite melange sub-terrane of the Franciscan Complex at Potrero Hill, San Francisco, California (Photo: E. Medley, 2000)
unstable sheared serpentinite
3. unstable sheared serpentinite of the Franciscan Complex within landslide adjacent to the south abutment of the Golden Gate Bridge, San Francisco, California (Photo: E. Medley, 2005)
4. Sheared serpentinite of the Franciscan Complex adjacent south abutment of the Golden Gate Bridge, San Francisco, California (Photo: E. Medley, 2005)
Outcrop view: serpentinite melange,
8. Outcrop of serpentinite melange: resistant blocks of graywacke, intact serpentinite and other lithologies in matrix of sheared serpentinite in Franciscan Complex; Old Redwood Highway, Oakland, California (Photo: E. Medley, 2015)
6. Outcrop exhibits matrix of pervasively sheared serpentinite in Franciscan Complex; Old Redwood Highway, Oakland, California (Photo: E. Medley, 2015)
7. serpentinite melange: resistant blocks of intact serpentinite and other lithologies in matrix of sheared serpentinite; Franciscan Complex; Old Redwood Highway, Oakland, California (Photo: E. Medley, 2015)
7. serpentinite melange: resistant blocks of intact serpentinite and other lithologies in matrix of sheared serpentinite; Franciscan Complex; Old Redwood Highway, Oakland, California (Photo: E. Medley, 2015)
10. sheared serpentinite matrix wrapping around graywacke(?) block in road cut; Hwy 35 near Crystal Springs Reservoir, Hillsborough, California (Photo: E. Medley, 2018)
9. serpentinite melange: resistant blocks of graywacke, intact serpentinite and other lithologies protrude from weaker matrix in road cut; Hwy 35 near Crystal Springs Reservoir, Hillsborough, California (Photo: E. Medley, 2018)
11. serpentinite melange, Hwy 35 near Crystal Springs Reservoir, Hillsborough, California (Photo: E. Medley, 2018)
Outcrop view: serpentinite melange
18. serpentinite melange: blocks of serpentinized gabbro; bounded by asbestos-rich sheared matrix; within the Melones Fault Zone gabbro mélange and serpentinized ultramafics; quarry near Jamestown, California (Photo: E. Medley, 2018)
detail view: serpentinite melange
19. detail view: blocks of serpentinized gabbro; bounded by asbestos-rich sheared matrix; within the Melones Fault Zone gabbro mélange and
serpentinized ultramafics; quarry near Sonora, California (Photo: E. Medley, 2018)