Geologic units in Bryan county, Georgia

Wicomico Shoreline Complex - marsh and lagoonal facies (Pleistocene) at surface, covers 36 % of this area

Wicomico Shoreline Complex - marsh and lagoonal facies

Pamlico shoreline complex - marsh and lagoonal facies (Pleistocene) at surface, covers 21 % of this area

Pamlico shoreline complex - marsh and lagoonal facies

Talbot shoreline complex - marsh and lagoonal facies (Pleistocene) at surface, covers 10 % of this area

Talbot shoreline complex - marsh and lagoonal facies

Holocene Shoreline Complex - marsh and lagoonal facies (Holocene) at surface, covers 9 % of this area

Holocene Shoreline Complex - marsh and lagoonal facies

Stream alluvium (Quaternary) at surface, covers 6 % of this area

Stream alluvium and undifferentiated terrace deposits

Pamlico shoreline complex - barrier island facies (Pleistocene) at surface, covers 5 % of this area

Pamlico shoreline complex - barrier island facies

Wicomico Shoreline Complex - barrier island facies (Pleistocene) at surface, covers 4 % of this area

Wicomico Shoreline Complex - barrier island facies

Penholoway shoreline complex - marsh and lagoonal facies (Pleistocene) at surface, covers 3 % of this area

Penholoway shoreline complex - marsh and lagoonal facies

Penholoway shoreline complex - barrier island facies (Pleistocene) at surface, covers 3 % of this area

Penholoway shoreline complex - barrier island facies

Pleistocene-Pliocene sands and gravels (Pleistocene-Pliocene) at surface, covers 1 % of this area

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

Aeolian sand deposits - parabolic dunes (Quaternary) at surface, covers 0.8 % of this area

Aeolian sand deposits - parabolic dunes

Neogene undifferentiated (Neogene) at surface, covers 0.4 % of this area

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