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  • Usage in publication:
    • Cat Hill Gneiss*
  • Modifications:
    • Named
  • Dominant lithology:
    • Gneiss
  • AAPG geologic province:
    • New England province
Publication:

Ratcliffe, N.M., 1992, Bedrock geology and seismotectonics of the Oscawana Lake quadrangle, New York: U.S. Geological Survey Bulletin, 1941, 38 p., (incl. geologic map, scale 1:24,000) [http://ngmdb.usgs.gov/Prodesc/proddesc_22154.htm]


Summary:

The Cat Hill Gneiss is here named in the Peekskill quadrangle, N.Y. Consists of well-foliated garnet-bearing biotite-oligoclase-quartz leucogneiss characterized by white to bluish-gray, chalky-white-weathering, quartz- and plagioclase-rich granofels and gneiss. Age is Middle Proterozoic.

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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