Usage:
West Halifax Trondhjemite of North River Igneous Suite (VT*)
Geologic age:
Ordovician*
Silurian(?)*
Type section, locality, area and/or origin of name:
Bench-like outcrop (200 m by 25 m) located along west slope of northeast-trending ridge, approx. 50 m below crest, 0.75 km east of center of village of West Halifax, southeast part of Jacksonville 7.5-min quadrangle, Windham Co., VT (Ratcliffe and Armstrong, in press).
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 ([ ]).