Usage:
Red Plume Quartzite of Belt Supergroup (MT-recognized locally in Flathead Co.)
Geologic age:
Precambrian
Type section, locality, area and/or origin of name:
Type section: exposures 600 ft down the west slope from the summit of Blacktail Mountain to about 630 ft down the east slope, Lat. 48 deg. 17 min. N., Long. 113 deg. 28 min. 30 sec., W., Flathead Co., MT (Childers, 1963).
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 ([ ]).