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  • Usage in publication:
    • Clearville Sandstone Member
  • Modifications:
    • Named
  • Dominant lithology:
    • Sandstone
    • Siltstone
  • AAPG geologic province:
    • Appalachian basin
Publication:

Cate, A.S., 1963, Lithostratigraphy of some Middle and Upper Devonian rocks in the subsurface of southwestern Pennsylvania, IN Shepps, V.C., ed., Symposium on Middle and Upper Devonian stratigraphy of Pennsylvania and adjacent states: Pennsylvania Geological Survey General Geology Report, 4th series, no. 39, p. 229-240.


Summary:

Named as a member of Mahantango Formation. Probably named for Clearville, Clearville quad, Bedford Co., south-central PA. Replaces abandoned Chaneysville Sandstone in subsurface. Consists of siltstone and sandstone. Underlies Pokejoy Member. Age is Middle Devonian.

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 ([ ]).