Alluvial Valley Swamp

Unconformable on all underlying units, fluvial sand and gravel at base, grading upwards into fine sands and silts, local peat. May be overrun with recent sediments from forest cutting and agriculture.
State South Carolina
Name Alluvial Valley Swamp
Geologic age Quaternary
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Gravel
Unconsolidated > Coarse-detrital > Sand
Minor
Unconsolidated > Fine-detrital > Silt
Incidental
Unconsolidated > Peat
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.

Counties Aiken - Allendale - Bamberg - Barnwell - Beaufort - Berkeley - Calhoun - Charleston - Chesterfield - Clarendon - Colleton - Darlington - Dillon - Dorchester - Florence - Georgetown - Hampton - Horry - Jasper - Kershaw - Lancaster - Lee - Lexington - Marion - Marlboro - Orangeburg - Richland - Sumter - Williamsburg