GRD01W4S0
Pinto
Non-layered Gneiss
Precambrian › Proterozoic › Paleoproterozoic › Statherian
1600.0
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1800.0
0
Ritter 154 › Cabinet 14 › Drawer I
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Black biotite with some continuous and discontinuous banding. Large sample.
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California
Joshua Tree State Park
Latitude: 33.9°
Longitude: -115.9°