| State | South Carolina |
|---|---|
| Name | Waccamaw Formation |
| Geologic age | Pleistocene |
| Lithologic constituents | Major
Unconsolidated > Coarse-detrital > SandSoft limestones and loose gray to buff fine quartz sands in which occasional small quartz pebbles are present;
Sedimentary > Carbonate > LimestoneSoft limestones and loose gray to buff fine quartz sands in which occasional small quartz pebbles are present;
|
| Comments | Secondary unit description from USGS Lexicon (ref.SC003): Soft limestones and loose gray to buff fine quartz sands in which occasional small quartz pebbles are present; in places it contains a small number of black water-worn phosphatic pebbles that were evidently derived from the Cretaceous. Approximate thickness is 0 to 25 feet in North Carolina and 0 to 12 feet in South Carolina. |
| References | Newell, Wayne L., Prowell, David (retired), Krantz, David, Powars, David, Mixon, Robert (retired), Stone, Byron, and Willard, Debra, in review, Surficial Geology and Geomorphology of the Atlantic Coastal Plain: USGS Open File Report, in press.USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/https://ngmdb.usgs.gov/Geolex/search |
| Counties | Aiken - Allendale - Beaufort - Berkeley - Clarendon - Colleton - Dillon - Dorchester - Florence - Hampton - Horry - Jasper - Marion - Orangeburg - Sumter - Williamsburg |