GRD02AMS0
M-78
Quartzofeldspathic
Mesozoic › Cretaceous
65.5
-
145.5
1
Ritter 154 › Cabinet 14 › Drawer H
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Metavolcanic. Fine-grained amphibole-quartz-plagioclase (trace). Fe-hydroxide stains. Original label: Meta-volcanic. Jur-Cret.
-
-
California
Lakeside
Latitude: 32.9°
Longitude: -116.9°
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opaques with reaction rims (?) or left over aggregate
10.0
plane
opaques with reaction rims (?) or left over aggregate
10.0
crossed
General texture of the sample
2.5
plane
General texture of the sample
2.5
crossed
-
scan
crossed
GRD02AMT0: 40% quartz, 40% plagioclase (albite and polysynthetic twinning), 20% brown and green amphibole, trace opaques with reaction rims (?) or left over aggregate (high relief, fracture, first order pink) (C. Eichler)
N/A
N/A