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National Geologic Map Database
Geologic Unit: Oglesby
Map showing publication footprint
  • Usage in publication:
    • Oglesby marble member
  • Modifications:
    • Named
  • Dominant lithology:
    • 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 Oglesby marble member of the Nittany formation for Oglesby School near Pulaski-Wythe Cos. line, southwestern VA. Consists of very fine-grained, pinkish- and bluish-gray, vaughanitic limestone. Thickness at type locality is 90 to 115 feet. Overlies chert, dolomite, and limestone of Nittany. The Oglesby 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 ([ ]).