Ottosee Shale

Bluish-gray calcareous shale, weathers yellow; with reef lenses of coarsely crystalline reddish fossiliferous limestone ("marble"). Thickness about 1,000 feet.
State Tennessee
Name Ottosee Shale
Geologic age Ordovician
Lithologic constituents
Sedimentary > Clastic > Mudstone > Shale (Calcareous)
Sedimentary > Carbonate > Limestone
Comments East sheet

Greene, D.C., and Wolfe, W.J., 2000, Superfund GIS - 1:250,000 Geology of Tennessee, USGS, (geo250k).

Hardeman, W.D., Miller, R.A., and Swingle, G.D., 1966, Geologic Map of Tennessee: Division of Geology, Tennessee Department of Environment and Conservation, 4 sheets, scale 1:250,000

NGMDB product
Counties Blount - Grainger - Jefferson - Knox - Loudon - Sevier