Rock group | Metamorphic |
Metamorphism type | Regional |
Metamorphic rock class | Ultramafic |
Protoliths | Peridotite Pyroxenite |
Common minerals | Antigorite Chrysotile Lizardite (serpentine group) Talc |
Serpentinite in Hand Sample
Serpentinite with a chrysotile hat
Serpentinite melange exposed on Marshall’s Beach in San Francisco
Serpentinite showing slickenfibers
Serpentinite breccia from the North Anatolian Fault
Serpentinite from the Josephine ophiolite
Serpentinite in Thin Section
Serpentinite in plane polars
Serpentinite in crossed polars

Serpentinite, plane polars
Serpentinite in plane polarized light. Magnification: 100x Click here for crossed polars: https://youtu.be/ZCXcngk0Wy0 Click here to explore this slide in PP…

Serpentinite, crossed polars
Serpentinite in cross polarized light. Magnification: 100x Click here for plane polars: https://youtu.be/kvq82lZrPI4 Click here to explore this slide in PPL:…