Crab Orchard Mountains and Gizzard Groups

Sandstone, conglomerate, siltstone, shale, and thin coal beds. Thickness 1,200 to 1,400 feet.
State Tennessee
Name Crab Orchard Mountains and Gizzard Groups
Geologic age Pennsylvanian
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
Minor
Sedimentary > Clastic > Conglomerate
Sedimentary > Clastic > Mudstone > Shale
Incidental
Sedimentary > Coal
Sedimentary > Clastic > Siltstone
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 Anderson - Bledsoe - Campbell - Cannon - Claiborne - Hamilton - Morgan - Rhea - Roane