Usage:
Fishtrap Dolomite (MT)
Fishtrap Formation (MT)
Geologic age:
Cambrian, Middle
Cambrian, Late
Type section, locality, area and/or origin of name:
Not designated. Occurs in drainage basin of Fishtrap Creek, Sanders Co., MT. Origin of name not stated by authors, but probably named from Fishtrap Creek (Keim and Rector, 1964).
AAPG geologic province:
Montana folded belt
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 ([ ]).