Geology
The South Carolina Coastal Plain region “comprises about two-thirds of South Carolina’s land area. It lies between the sandhills and the coast, and is part of the larger Atlantic Coastal plain that runs from New Jersey to Florida and west to Texas. … The Coastal Plain in South Carolina includes a variety of landforms from rolling, sandy hills to plateaus, plains, river valleys, swamps, Carolina bays, estuaries, tidal creeks, marshes, and barrier and sea islands. … The Coastal Plain is made up of Mesozoic and Cenozoic sediments and sedimentary rocks that overlap the crystalline rocks of the Piedmont.”
Source: Carolina Rocks! The Geology of South Carolina by Carolyn Hanna Murphy, 1995.
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