GRD02G6S0
GW3
Dropstone
Precambrian › Proterozoic › Paleoproterozoic › Siderian
2300.0
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2500.0
0
Ritter 154 › Cabinet 22 › Drawer L
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Small cut slab of varved shale with small dropstone. Original label: Varved argillite (with rafted xenoclasts), Gowganda formation, Cobalt Series, Huronian. An analyzed rock. See Geol. Soc. America, Bull., vol. 70, p 595.
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Canada
Wells Township, Ontario
Latitude: 46.42°
Longitude: -83.38°
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N/A
N/A
N/A
Pettijohn_GSAB_1959
Pettijohn, F.J. and Bastron, H., 1959, Chemical Composition of Argillites of the Cobalt Series (Precambrian) and the Problem of Soda-rich Sediments: Geological Society of America Bulletin, v. 70, no. 5, pg. 593-600.