GRD020RS0
M-86
Calcsilicate (Skarn)
Precambrian
542.0
-
3850.0
0
Ritter 154 › Cabinet 14 › Drawer K
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Contact/gradation between metapelite (fine-grained, quartz and phyllosilicates) and medium-grained skarn (poorly formed/preserved amphibole and garnet in granular/sugary quartzite matrix).
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South Dakota
Black Hills
Latitude: 44.0°
Longitude: -104.0°
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N/A
N/A
N/A
N/A