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  • Usage in publication:
    • Low-Water-Bridge Layered Gneiss
  • Modifications:
    • Named
  • Dominant lithology:
    • Gneiss
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
Publication:

Bartholomew, M.J., and Lewis, S.E., 1984, Evolution of Grenville massifs in the Blue Ridge geologic province, southern and central Appalachians, IN Bartholomew, M.J., ed., The Grenville event in the Appalachians and related topics: Geological Society of America Special Paper, 194, p. 229-254.


Summary:

The Low-Water-Bridge Layered Gneiss is here named in the Sauras massif in the Blue Ridge in North Carolina. It represents country rock that was intruded by Grenville rocks It contains biotite-rich relict amphibolite facies assemblages and lacks granulite facies. 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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