Usage:
Singleshot Member of Appekunny Formation of Ravalli Group of Belt Supergroup (MT-local)
Recognized in Glacier National Park and adjacent areas, Glacier Co.
Geologic age:
Mesoproterozoic
Type section, locality, area and/or origin of name:
Not designated. Origin of name not stated by authors, but probably named from Singleshot Mountain, near St. Mary Lake, in eastern Glacier National Park, MT (Fenton and Fenton, 1931).
Type locality: at Singleshot Mountain, near St. Mary Lake, in eastern Glacier National Park, MT (Fenton and Fenton, 1937).
AAPG geologic province:
Northern Rocky Mountain region
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 ([ ]).