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Map showing publication footprint
  • Usage in publication:
    • Gull River Limestone
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Appalachian basin
Publication:

Kay, Marshall, 1968, Ordovician formations in northwestern New York: Le Naturaliste Canadien, v. 95, no. 6, p. 1373-1378.


Summary:

Geographically extended the Gull River Limestone of the Black River Group to northwestern NY from Ontario, CAN. Unit appears on stratigraphic diagram, figure 1. The Gull River is of Middle Ordovician age.

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


Map showing publication footprint
  • Usage in publication:
    • Gull River Formation
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Appalachian basin
Publication:

Craft, J.L., 1979, Quality of gravel resources in northwestern Pennsylvania: Pennsylvania Geological Survey Information Circular, 4th series, no. 86, 54 p.


Summary:

Geographically extended the Gull River Formation into northwestern PA. Overlies Shadow Lake Formation and underlies the Bobcaygeon Formation.

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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