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Geologic Unit: Barton
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  • Usage in publication:
    • Barton red shale
  • Modifications:
    • Original reference
  • AAPG geologic province:
    • Appalachian basin (Eastern Overthrust area)
Publication:

Swartz, C.K., 1922, Distribution and stratigraphy of the Coal Measures of Maryland; Correlation of the Coal Measures of Maryland; The coal basins of Maryland, IN Swartz, C.K., and others, Second report on the coals of Maryland: Maryland Geological Survey [Report], v. 11, pt. 1, p. 35-126.


Summary:

Pg. 65. Barton red shale (in Conemaugh formation). Red shale found above Barton coal in drillholes in Potomac basin, western Maryland. Age is Pennsylvanian.
See also Wilmarth, M.G., compiler, 1929, Tentative correlation of the named geologic units of Maryland, USGS unpub. corr. chart, Apr., 1929, sheet 1 of 2.

Source: US geologic names lexicon (USGS Bull. 896, p. 121).


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 ([ ]).

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