Bear Bluff Formation (SCTbb;1)

State	South Carolina
Name	Bear Bluff Formation
Geologic age	Pliocene
Original map label	Tbb
Comments	Secondary unit description from USGS Lexicon (ref.SC003): Bear Bluff Formation named in east-central SC. Extends to NC. Consists gray to cream, fossiliferous, coarse-grained calcareous sand, and sandy limestone. 3 m thick at type section along Waccamaw River; ranges from 3 to 45 m. Unconformably overlies Peedee Formation; underlies Canepatch, Conway, or Waccamaw Formation. Age is Pliocene.
Primary rock type	sand
Secondary rock type	limestone
Other rock types
Lithologic constituents	Major Sedimentary > Carbonate > LimestoneConsists gray to cream, fossiliferous, coarse-grained calcareous sand, and sandy limestone. Unconsolidated > Coarse-detrital > SandConsists gray to cream, fossiliferous, coarse-grained calcareous sand, and sandy limestone.
Map 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: U.S.G.S. Open File Report,
Unit 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: U.S.G.S. Open File Report, USGS Geologic Names Lexicon (GEOLEX) [http://ngmdb.usgs.gov/Geolex/]
Geographic coverage	Berkeley - Clarendon - Colleton - Darlington - Dillon - Dorchester - Florence - Hampton - Horry - Jasper - Lee - Marion - Marlboro - Orangeburg - Sumter