Usage:
Blackrock Canyon Limestone (ID*,UT*)
Called Black Rock (misspelling) and Blackrock (preoccupied) in early reports.
Geologic age:
Neoproterozoic*
Type section, locality, area and/or origin of name:
Type section: about 7.5 mi (12 km) southeast of Pocatello, on east side of lower Blackrock Canyon, in sec. 14, T. 7 S., R. 35 E., Bannock Co., ID (Crittenden and others, 1971).
AAPG geologic province:
Great Basin province*
Idaho Mountains 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 ([ ]).