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Map showing publication footprint
  • Usage in publication:
    • Wildhorse Branch Formation
  • Modifications:
    • Named
  • Dominant lithology:
    • Greenstone
    • Phyllite
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Secor, D.T., and Wagener, H.D., 1968, Stratigraphy, structure, and petrology of the Piedmont in central South Carolina; Field trip guidebook 8: South Carolina Division of Geology, Geologic Notes, Carolina Geological Society Annual Field Trip, October 18-20, 1968, v. 12, no. 4, p. 67-84.


Summary:

Wildhorse Branch Formation named in the Carolina Slate belt of central SC. Consists of greenish-gray greenstone, felsic tuffaceous phyllite, and graphitic phyllite. Thickness greater than 3000 m. Underlies Persimmon Fork Formation (new). Age is Precambrian or Cambrian.

Source: GNU records (USGS DDS-6; Reston GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Wildhorse Branch Formation
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Tewhey, J.D., 1977, Geology of the Irmo quadrangle, Richland and Lexington Counties, South Carolina: South Carolina Division of Geology, Geologic Map Series, MS-22, 1 sheet, 42 p., scale 1:24,000


Summary:

Wildhorse Branch Formation greater than 2400 m thick in mapped area. Consists of 50 percent felsic tuff, 40 percent mafic tuffs and flows, and 10 percent pelitic sediments, mostly metamorphosed to schist. Underlies Persimmon Fork Formation and overlies unnamed quartz-microcline gneiss. No age given.

Source: GNU records (USGS DDS-6; Reston GNULEX).


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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