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  • Usage in publication:
    • Nicholville conglomerate member*
  • Modifications:
    • Named
  • Dominant lithology:
    • Conglomerate
  • AAPG geologic province:
    • Adirondack uplift
Publication:

Postel, A.W., Nelson, A.E., and Wiesnet, D.R., 1959, Geologic map of the Nicholville quadrangle, New York: U.S. Geological Survey Geologic Quadrangle Map, GQ-123, 1 sheet, scale 1:62,500


Summary:

Named the Nicholville conglomerate member of the Potsdam sandstone for Nicholville, St. Lawrence Co., northeastern NY. Consists of friable, red, quartz-pebble conglomerate with intercalated sand lenses; cross-bedding and local unconformities common. Underlies and probably interfingers with unnamed upper member. Base not exposed; believed to unconformably overlie Precambrian rocks. The Nicholville is of Late Cambrian 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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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