GRD01W1S0
M-131
St-bearing Schist
Precambrian
542.0
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3850.0
0
Ritter 154 › Cabinet 14 › Drawer C
fine-grained,lineations
Medium-sized sample of schist composed of fine-grained phyllosilicates with garnet and a few staurolite porphyroblasts. See also M-167 for a similar sample. Original description: Staurolite-garnet schist of the staurolite zone of the Flag Rock formation.
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South Dakota
Northern Black Hills
Latitude: 44.0°
Longitude: -104.0°
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N/A
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