Usage:
Belcher Hill Formation (CO-recognized locally west of Golden)
Geologic age:
Paleoproterozoic
Type section, locality, area and/or origin of name:
Type locality: in NE/4 sec. 7 and SW/4 sec. 6, T. 3 S., R. 70 W., [west of Golden in White Ranch County Park, approx. Lat. 39 deg. 48 min. 43 sec. N., Long. 105 deg. 16 min. 00 sec. W., Ralston Buttes 7.5-min quadrangle, Jefferson Co., central CO.] Named from Belcher Hill, a ridge north of Van Bibber Creek, Ralston Buttes 7.5-min quadrangle, Jefferson Co., central CO (Lickus and LeRoy, 1968).
AAPG geologic province:
Southern 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 ([ ]).