GRD001FS0
I-53
Diorite
Mesozoic › Cretaceous
65.5
-
145.5
1
Ritter 154 › Cabinet 15 › Drawer P
fine grained
-
-
Coyote Mtns
California
South end of Coyote Mountains, Borrego
Latitude: 33.304134°
Longitude: -116.299381°
-
Note small crystals in quartz.
5.0
plane
-
5.0
crossed
-
scan
crossed
GRD001FT0: 50% plagioclase (polysynthetic twinning), 15% quartz, 15% biotite, 15% clinopyroxene, 5% k-spar (tartan twinning), trace apatite and opaques (C. Eichler)
N/A
N/A