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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Shochary Ridge member
  • Modifications:
    • Named
  • Dominant lithology:
    • Sandstone
    • Graywacke
  • AAPG geologic province:
    • Appalachian basin
Publication:

McBride, E.F., 1962, Flysch and associated beds of the Martinsburg Formation (Ordovician), central Appalachians: Journal of Sedimentary Petrology, v. 32, no. 1, p. 39-91. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Named the Shochary Ridge member of the Martinsburg formation for Shochary Ridge, Lehigh Co., eastern PA. Name applied to fossiliferous graywacke and interbedded shale that was a part of Willard and Cleaves (1939) Shochary member of the Martinsburg. Thickness is about 300 feet. Unit is transitional downward into nonfossiliferous flysch of Martinsburg. The Shochary Ridge is of Late Ordovician age.

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