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Yosemite National Park, California. Glacial striae and polish on granite near Cathedral Lake.

Dates

Date Taken
1903

Summary

Yosemite National Park, California. Glacial striae and polish on granite near Cathedral Lake. The granite is porphyritic, and its feldspar phenocrysts are seen in the foreground. The polish resists atmospheric attack and finally yields by exfoliation. When a layer has once been removed, disintegration proceeds with comparative rapidity. 1903.

Contacts

Data Owner :
U.S. Geological Survey

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Additional Information

Identifiers

Type Scheme Key
name photoLibrary ggk02050
number photoLibrary 11527
batch photoLibrary btch163
number_in_book photoLibrary 2050

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