GRD02NDS0
Calif 181
Pumice
Cenozoic › Quaternary › Pleistocene
0.01
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2.6
0
Camp Elliott
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Sparsely porphyritic pumice. Trace biotite. Original description: Perlitic Pumice.
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California
Glass Mountain, Route 395, N of Mammoth Mountain, (original locality also says Siskiyou county inconsistant with Mammoth)
Latitude: 37.774°
Longitude: -118.71°
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