Geologic units in Wheeler county, Georgia

Stream alluvium (Quaternary) at surface, covers 11 % of this area: Stream alluvium and undifferentiated terrace deposits
Lithology: alluvium; alluvial terrace
Neogene undifferentiated (Neogene) at surface, covers 86 % of this area: Neogene undifferentiated, includes Altamaha Grit (Dall, 1892); Citronelle Formation (Matson & Berry, 1916); and "Hawthorn Formation" (Cooke, 1939). (*) - outcrops of indurated sandstone and claystone
Lithology: sandstone; claystone
Aeolian sand deposits - parabolic dunes (Quaternary) at surface, covers 2 % of this area: Aeolian sand deposits - parabolic dunes
Lithology: dune sand