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National Geologic Map Database

Geologic Unit: Gilman

Usage:

Gilman Quartzite (VT)


Geologic age:

Early Cambrian


Type section, locality, area and/or origin of name: (See Canadian Lexicon)

Oak Hill, Sutton quadrangle, Quebec, Canada. Named from Gilman, 3 miles east of Sweetsburg (Clark, 1936).


AAPG geologic province:

New England province


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 ([ ]).