Biotite gneiss
Cusseta, Blufftown, and Eutaw Formations, undifferentiated
Tuscaloosa Formation
Ripley Formation
Highly weathered sands and sandy clays of lower Tertiary age
Stream alluvium and undifferentiated terrace deposits
Mica Schist/ Gneiss/ Amphibolite
Hornblende Gneiss
Eocene and Oligocene Residuum, undifferentiated
Ultramafic rocks undifferentiated