GRD00QIS0
S-208
Varves
Precambrian › Proterozoic › Paleoproterozoic › Rhyacian
2050.0
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2300.0
0
Ritter 154 › Cabinet 17 › Drawer Q
varves
Green varved tillite. Gowganda Fm. 2.2 Ga. Proterozoic
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Michigan
North shore of Lake Huron
Latitude: 45.782°
Longitude: -82.72°
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