GRD006ES0
I-239
Ignimbrite
Cenozoic › Quaternary › Pleistocene
0.01
-
2.6
1
Ritter 154 › Cabinet 15 › Drawer K
Bishop Tuff
200 below top.
-
Bishop Tuff
California
Bishop
Latitude: 37.4°
Longitude: -118.4°
-
-
5.0
plane
Tartan twinning in potassium feldspar
5.0
crossed
-
scan
crossed
GRD006ET0: Plagioclase (albite and polysynthetic twinning), K-spar (tartan twinning), large pumice fragment. Thin section cut too thick (first order yellow in feldspar). (C. Eichler)
N/A
N/A