GRD02QWS0
Calif 1273
Andesite
Cenozoic › Neogene › Pliocene
2.6
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5.3
1
Ritter 154 › Cabinet 16 › Drawer B
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Plag porphorite Andesites
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5 Lakes Trail at road to Alpine Meadows ski area Rte 89
Latitude: 39.18°
Longitude: -120.24°
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N/A
GRD02QWT0: Big euhedral plag crystal. 30% plag, 10% pyroxene or amphibole (black reaction rims, very altered), possibly some feldspathoids. Opaques
N/A
N/A