Rockwood Formation

Brown to maroon shale, thin gray siltstone and sandstone, and thin lenticular layers of oolitic and fossiliferous red hematite. Thickness 200 to 800 feet.
State Tennessee
Name Rockwood Formation
Geologic age Silurian
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone
Sedimentary > Clastic > Mudstone > Shale (Calcareous)
Minor
Sedimentary > Clastic > Siltstone (Calcareous)
Sedimentary > Clastic > Sandstone
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 - Bradley - Campbell - Hamilton - Meigs - Rhea - Roane