Jackson (?) Formation

Sand, with layers of gray clay, silt, and lignite. Exposed only in bluffs along Mississippi River; thickness at least 60 feet.
State Tennessee
Name Jackson (?) Formation
Geologic age Tertiary
Lithologic constituents
Unconsolidated > Coarse-detrital > Sand
Unconsolidated > Fine-detrital > Silt
Unconsolidated > Fine-detrital > Clay
Sedimentary > Coal > Lignite
Comments West 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 Dyer - Lauderdale - Obion - Shelby - Tipton