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National Geologic Map Database
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  • Usage in publication:
    • Westwater Gneisses and Schists
  • Modifications:
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  • AAPG geologic province:
    • Southern Rocky Mountain region
Publication:

Tweto, Ogden, 1977, Nomenclature of Precambrian rocks in Colorado, IN Contributions to stratigraphy: U.S. Geological Survey Bulletin, 1422-D, p. D1-D22.


Summary:

Invalid name. Name incidentally used. Listed with rocks of pre-1,700 m.y., or Precambrian X, metamorphic complex. Was used on Uncompahgre plateau.

Source: GNU records (USGS DDS-6; Denver 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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