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Geologic Unit: Dempsey
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Map showing publication footprint
  • Usage in publication:
    • Dempsey marble
  • Modifications:
    • First used
  • Dominant lithology:
    • Marble
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Adams, G.I., 1933, General geology of the crystallines of Alabama: Journal of Geology, v. 41, no. 2, p. 159-173.


Summary:

Noted in table as a member of Talladega slate in Clay Co., AL. Not defined and age not given.

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


Map showing publication footprint
  • Usage in publication:
    • Dempsey marble
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

McVay, T.N., and Toulmin, L.D., 1945, Alabama shales and fire clays: Geological Survey of Alabama Bulletin, no. 55, 155 p.


Summary:

Mentioned as occurring in upper part of Talladega series. Age given as Pennsylvanian.

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 ([ ]).

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