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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Tyringham Gneiss*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • New England province

Map showing publication footprint
  • Usage in publication:
    • Tyringham Gneiss*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • New England province
Publication:

Ratcliffe, N.M., 1991, Revisions to the nomenclature of some Middle Proterozoic granitic rocks in the northern Berkshire massif, Massachusetts, and the southern Green Mountains, Vermont and Massachusetts, IN Stratigraphic Notes, 1989-90: U.S. Geological Survey Bulletin, 1935, p. 9-26.


Summary:

College Hill Granite Gneiss (new) of Mount Holly Complex (new) of Green Mountains, southern VT resembles widespread Tyringham Gneiss of Berkshire massif of MA (Ratcliffe and Zartman, 1976) in texture and appearance.

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 ([ ]).