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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Briarcliff dolomite
  • Modifications:
    • Named
  • Dominant lithology:
    • Dolomite
  • AAPG geologic province:
    • New England province
Publication:

Knopf, E.B., 1956, Stratigraphy and structure of the Stissing area, Dutchess County, New York [abs.]: Geological Society of America Bulletin, v. 67, no. 12, pt. 2, p. 1817-1818.


Summary:

Briarcliff described as dominantly light dolomites with some dark beds. Fossils indicate a horizon not earlier than middle Franconian nor later than middle Trempealeauan stage, probably early Trempealeauan. Thickness7 00 to 1,000 feet. Occurs below Halcyon Lake calc-dolomite (new name) and above White Plains formation (new name).

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


Map showing publication footprint
  • Usage in publication:
    • Briarcliff Dolomite*
  • Modifications:
    • Revised
  • AAPG geologic province:
    • New England province
Publication:

Ratcliffe, N.M., and Burton, W.C., 1990, Bedrock geologic map of the Poughquag quadrangle, New York: U.S. Geological Survey Geologic Quadrangle Map, GQ-1662, 1 sheet, scale 1:24,000 [http://ngmdb.usgs.gov/Prodesc/proddesc_440.htm]


Summary:

Briarcliff Dolomite is here assigned to the Wappinger Group. It overlies the Pine Plains Formation and underlies the Halcyon Lake Formation, both of the Wappinger.

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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