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  • Usage in publication:
    • Wassamassaw Swamp Member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sand
    • Clay
  • AAPG geologic province:
    • Atlantic Coast basin
Publication:

Colquhoun, D.J., and Duncan, D.A., 1966, Geology of the Eutawville quadrangle, South Carolina: South Carolina Division of Geology, Geologic Map Series, MS-12, 1 sheet, scale 1:62,500


Summary:

Wassamassaw Swamp Member of Wicomico Formation. Upper Wicomico divided into five members: Toney Bay, Dean Swamp, Sandridge, Wassamassaw Swamp, and Four Hole. The Wassamassaw Swamp contains large amounts of fine sand and kaolinitic montmorillonite similar to that occurring in Sandridge Member. Underlies in part and grades southeastward from the Sandridge. Represents a shallow shelf marine environment. Deposited with and gradational from Toney Bay Member. Age is early Pleistocene.
Named from Wassamassaw Swamp, Summerville NW quadrangle, southeastern SC.

Source: US geologic names lexicon (USGS Bull. 1350, p. 811).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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