High terrace deposits

Varicolored lenticular beds of poorly sorted sand, ferruginous sand, silt, clay, and gravelly sand. Sand consists primarily of very fine to very coarse poorly sorted quartz grains; gravel composed of quartz, quartzite, and chert pebbles.
State Alabama
Name High terrace deposits
Geologic age Pleistocene
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Sand (Terrace-marine)Sand consists primarily of very fine to very coarse poorly sorted quartz grains;
Minor
Unconsolidated > Fine-detrital > Silt (Terrace-marine)
Unconsolidated > Coarse-detrital > Gravel (Terrace-marine)gravel composed of quartz, quartzite, and chert pebbles.
Unconsolidated > Fine-detrital > Clay (Terrace-marine)
References

Szabo, M.W., Osborne, E.W., Copeland, C.W. Jr., and Neathery, T.L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.

NGMDB product
Counties Autauga - Baldwin - Barbour - Butler - Cherokee - Chilton - Choctaw - Clarke - Coosa - Covington - Crenshaw - Dale - Dallas - Elmore - Escambia - Etowah - Greene - Hale - Henry - Houston - Lamar - Lee - Lowndes - Marengo - Mobile - Monroe - Perry - Pickens - Pike - Russell - Sumter - Tallapoosa - Tuscaloosa - Washington - Wilcox