Athens Shale

Medium- to dark-gray, calcareous, graptolitic shale; calcareous gray sandstone, siltstone, and locally fine-pebble quartz conglomerate; nodules of shaly limestone near base. Maximum thickness 1,500 feet.
State Tennessee
Name Athens Shale
Geologic age Ordovician
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
Minor
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Siltstone
Incidental
Sedimentary > Carbonate > Limestone
Sedimentary > Clastic > Conglomerate
Comments East-Central sheet
References

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 - Bradley - McMinn - Monroe - Polk