GRD0003S0
I-3
Obsidian
Cenozoic › Quaternary
0.01
-
2.6
1
Ritter 154 › Cabinet 15 › Drawer M
-
-
Age from Sieh et all 1986, Journal of Geophysical Research Vol 91, No B12
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California
Mono Crater
Latitude: 37.9°
Longitude: -119.0°
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Flow banding
2.5
plane
Nearly aphyric with small crystals.
2.5
crossed
-
scan
crossed
GRD0003T0: Aphyric, slight flow banding. (C. Eichler)
N/A
N/A