1. Mineral Resources
  2. Online Spatial Data
  3. Geology
  4. by state
  5. Georgia geologic units

Geologic units in Bacon county, Georgia

Pleistocene-Pliocene sands and gravels (Pleistocene-Pliocene) at surface, covers 71 % of this area

Includes, in part, Sunderland, Coharie, and Brandywine "Formations" of Cooke, 1939

Neogene undifferentiated (Neogene) at surface, covers 27 % of this area

Includes Altamaha Grit (Dall, 1892); Citronelle Formation (Matson & Berry, 1916); and "Hawthorn Formation" (Cooke, 1939). (*) - outcrops of indurated sandstone and claystone

Stream alluvium (Quaternary) at surface, covers 2 % of this area

Stream alluvium and undifferentiated terrace deposits