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Geologic Unit: Draper
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  • Usage in publication:
    • Draper dolomite member
  • Modifications:
    • Named
  • Dominant lithology:
    • Dolomite
    • Limestone
  • AAPG geologic province:
    • Appalachian basin
Publication:

Cooper, B.N., 1939, Geology of the Draper Mountain area, Virginia: Virginia Geological Survey Bulletin, no. 55, 98 p.


Summary:

Named the Draper dolomite member of the Nittany Formation for Draper, Pulaski Co., VA. Consists of medium-bedded light-gray dolomitic limestone and dolomite; most beds are siliceous and slightly argillaceous; bedding is uniform in lower part of member but irregular in upper part. Thickness is as much as 475 feet. Unit conformably underlies the Bellefonte formation. The Draper is of Early Ordovician age.

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 ([ ]).