GRD001DS0
I-51
Granite
Unknown
None
-
1
Ritter 154 › Cabinet 15 › Drawer A
altered
Very altered. Original description: Chloritized biotite granite.
-
Coyote Mtns
California
South end of Coyote Mountains, Borrego Springs
Latitude: 32.8°
Longitude: -116.0°
N/A
Chlorite surrounding biotite. Note the high degree of alteration.
2.5
plane
High alteration in biotite.
2.5
crossed
-
scan
crossed
GRD001DT0: Plagioclase (albite and polysynthetic twinning), quartz (some with undulose zonation), chlorite surrounding biotite (C. Eichler)
N/A
N/A