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National Geologic Map Database
Geologic Unit: Sharon
Map showing publication footprint
  • Usage in publication:
    • Sharon coal group
  • Modifications:
    • First used
  • Dominant lithology:
    • Sandstone
    • Conglomerate
  • AAPG geologic province:
    • Appalachian basin
Publication:

Rogers, H.D., 1858, Geology of Pennsylvania; a government survey: Pennsylvania Geological Survey, v. 1, 586 p.


Summary:

The Seral sandstone and conglomerate, 50 to 100 ft thick, embraces locally the Sharon coal group as a member.

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


Map showing publication footprint
  • Usage in publication:
    • Sharon conglomerate
  • Modifications:
    • Revised
  • Dominant lithology:
    • Conglomerate
  • AAPG geologic province:
    • Appalachian basin

Map showing publication footprint
  • Usage in publication:
    • Sharon Conglomerate Member*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Appalachian basin
Publication:

Rice, C.L., Hiett, J.K., and Koozmin, E.D., 1994, Glossary of Pennsylvanian stratigraphic names, central Appalachian basin, IN Rice, C.L., ed., Elements of Pennsylvanian stratigraphy, central Appalachian basin: Geological Society of America Special Paper, 294, p. 115-155.


Summary:

Used as Sharon Conglomerate Member, basal member of Pottsville Formation through most of western PA and eastern OH; locally identified in MD (Swartz, 1922; Flint, 1965). Equivalent to and locally called Olean Conglomerate in NY and western PA. Probably equivalent to Raleigh Sandstone Member of New River Formation in WV and Livingston Conglomerate Member of Lee Formation in eastern KY.

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 ([ ]).