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Geologic Unit: Accord
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  • Usage in publication:
    • Accord shale
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Shale
  • AAPG geologic province:
    • Appalachian basin
Publication:

Fisher, D.W., 1959, Correlation of the Silurian rocks in New York State: New York State Museum and Science Service Map and Chart Series, 1, 1 sheet.


Summary:

Accord shale. Suggested for unfossiliferous calcareous shale underlying Rosendale waterlime. Thickness at type section 18 feet. Age is Late Silurian (Murderian) [Pridoli].
Type section: abandoned railroad cut, southern edge of Accord, Rosendale quadrangle, southeastern NY.

Source: US geologic names lexicon (USGS Bull. 1200, p. 14-15).


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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