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WEATHER
Greasy Cove Formation and Grainger Formation (TNMgg;12)
Geologic Formation
in
TN
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Lithology
Conglomerate
Conglomerate
Siltstone
Other
(39 mi²)
Geologic Age
Mississippian (359.3 Ma – 323.6 Ma ago)
Geologic Unit Label
Mgg2
Greasy Cove Formation - Gray, argillaceous limestone, calcareous shale, siltstone, and fine-grained sandstone. Equivalent to Newman Limestone. Maximum preserved thickness about 400 feet; and Grainger Formation - Gray to green shale with siltstone and fine-grained glauconitic sandstone; in some areas quartz-pebble conglomerate. Thickness about 1,200 feet.
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