Usage:
No current usage.
(Rocks of †Call Mill Slate of †Camels Hump Group (VT-local) included in Pinnacle Formation. See Pinnacle.)
Geologic age:
Neoproterozoic and Cambrian
Type section, locality, area and/or origin of name: (See Canadian Lexicon)
Best exposed in gorge below Call Mill, Sutton quadrangle, southern Quebec, Canada (Clark, 1931).
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 ([ ]).