Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Georgia Geology
Geologic units in Grady county, Georgia
- Suwannee Limestone and its residuum (Oligocene) at surface, covers 3 % of this area
Suwannee Limestone and its residuum, as mapped, includes Chattahoochee Limestone in Seminole and Decatur Cos.; Flint River Formation, in part, (Cooke, 1939); Jacksonboro Limestone in Screven Co.; and Glendon and Marianna Limestones in Pulaski Co.
- Floyd Shale; Hartselle Sandstone member (Mississippian) at surface, covers 21 % of this area
Hartselle Sandstone member (Mh) in Floyd County
- Miccosukee Formation (Neogene) at surface, covers 72 % of this area
- Ocala Limestone (Eocene) at surface, covers 3 % of this area
Ocala Limestone, generally covered with Oligocene and Eocene residuum (Flint River Formation of Cooke, 1939); includes up-dip area, Tivola Limestone of Connell (1955). (*)- outcrops of Ocala Limestone on Dougherty Plain.