Imprints on the rock left by passing debris-laden ice. Yosemite National Park, California. No Date.
Summary
Yosemite National Park, California. Imprints on the rock left by passing debris-laden ice. Glacial polish and striations. Polished surface layer flakes off, and this evidence of glaciation gradually disappears. This excellent and accessible exposure is at the foot of Polly Dome along Tioga Road on the north side of Tenaya Lake. Figure 55-B, U.S. Geological Survey Bulletin 1595.
Summary
Yosemite National Park, California. Imprints on the rock left by passing debris-laden ice. Glacial polish and striations. Polished surface layer flakes off, and this evidence of glaciation gradually disappears. This excellent and accessible exposure is at the foot of Polly Dome along Tioga Road on the north side of Tenaya Lake. Figure 55-B, U.S. Geological Survey Bulletin 1595.
This USGS product is considered to be in the U.S. public domain. For further information on the USGS Information Policies and Instructions, refer to the Copyrights and Credits section on this web page: http://www.usgs.gov/laws/info_policies.html
