GRD002DS0
I-91
Rhyolite
Cenozoic
0.01
-
65.5
1
Ritter 154 › Cabinet 15 › Drawer F
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-
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California
Rosamond Hills
Latitude: 34.9°
Longitude: -118.0°
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Crystals in altered groundmass glass
2.5
plane
Subhedral quartz
2.5
crossed
-
scan
crossed
GRD002DT0: altered, subhedral quartz (some embayed), euhedral plagioclase (albite twinning), altered feldspar (sanidine?) muscovite. (C. Eichler)
N/A
N/A