El Capitan Granite, Yosemite National Park

SIA0938: El Capitan Granite, Yosemite National Park

Photographer:	Huber, N.K.
Copyright:	Copyright Free
Location:	Yosemite National Park

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Yosemite National Park

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Caption

Yosemite National Park, California. El Capitan Granite. Rock surface chemically etched and stained to differentiate potassium feldspar (orange- yellow), plagioclase (red), and quartz (uncolored). Figure 10-B, U.S. Geological Survey Bulletin 1595.