GRD000LS0
I-22
Granite
Mesozoic › Cretaceous
65.5
-
145.5
1
Ritter 154 › Cabinet 15 › Drawer A
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Original label: Granodiorite.
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California
SW of Ramona
Latitude: 33.0°
Longitude: -116.9°
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Microcline with tartan twinning
2.5
crossed
-
scan
crossed
GRD000LT0: 40% microcline, 40% quartz, 18% plagioclase, 2% biotite, trace opaque. (J. Gee)
N/A
N/A