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National Geologic Map Database
Geologic Unit: Slippery Creek
Map showing publication footprint
  • Usage in publication:
    • Slippery Creek greenstone volcanics
  • Modifications:
    • Named
  • Dominant lithology:
    • Greenstone
    • Lava
    • Schist
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Brown, W.R., 1953, Structural framework and mineral resources of the Virginia Piedmont, IN McGrain, P., ed., Proceedings of the southeastern mineral symposium, 1950: Kentucky Geological Survey Special Publication, 9th series, no. 1, p. 88-111.


Summary:

Slippery Creek greenstone volcanics described as dark-green to gray schistose to gneissose lava flows (dacite-andesite?). Amygdaloidal in part. Tuffaceous(?) schist at base. Thickness 1,000 to 3,000 ft. Uppermost unit in Evington group (new). Overlies Mount Athos formation. Age is Paleozoic(?). [Unit was first used in an abstract by this author in Virginia Jour. Science, 1951, new ser., v. 2, no. 4, p. 347.]

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


Map showing publication footprint
  • Usage in publication:
    • Slippery Creek greenstone
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Milici, R.C. (compiler), Spiker, C.T., Jr. (compiler), and Wilson, J.M. (compiler), 1963, Geologic map of Virginia: Virginia Division of Mineral Resources, scale 1:500,000


Summary:

Used on State map as Slippery Creek greenstone of Evington group. Age given as Precambrian and Paleozoic.

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


Map showing publication footprint
  • Usage in publication:
    • Slippery Creek Greenstone*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Rankin, D.W., 1976, Appalachian salients and recesses; late Precambrian continental breakup and the opening of the Iapetus Ocean: Journal of Geophysical Research, B, Solid Earth and Planets, v. 81, no. 32, p. 5605-5619.


Summary:

Slippery Creek Greenstone Volcanics of Brown (1953) used in this report as Slippery Creek Greenstone and assigned to Evington Group as its uppermost unit. Age given as early Paleozoic(?).

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


Map showing publication footprint
  • Usage in publication:
    • Slippery Creek
  • Modifications:
    • Not used
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Conley, J.F., 1985, Geology of the southwestern Virginia Piedmont: Virginia Division of Mineral Resources Publication, no. 59, 33 p.


Summary:

Slippery Creek Greenstone now mapped as Catoctin Formation(?) in the Blue Ridge anticlinorium of south-central VA.

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


Map showing publication footprint
  • Usage in publication:
    • Slippery Creek
  • Modifications:
    • Not used
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Rader, E.K., and Evans, N.H., 1993, Geologic map of Virginia; expanded explanation: Virginia Division of Mineral Resources, 80 p.


Summary:

Rocks previously mapped as Slippery Creek Greenstone by Brown (1958) or as Catoctin Formation by Conley (1985), here mapped as actinolite schist unit of Alligator Back Formation of Lynchburg Group.

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


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

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).