Usage:
Rapid Creek Greenstone of Flag Rock Group (SD*)
Rapid Creek Greenstone (SD*)
Geologic age:
Paleoproterozoic*
Type section, locality, area and/or origin of name:
Exposures east of Rapid Creek, in sec. 15, T. 2 N., R. 3 E., Pennington Co., SD. Named from Rapid Creek (Bayley, 1972).
Reference section: in secs. 23 and 24, T. 2 N., R. 3 E., Pennington Co., SD (Bayley, 1972).
AAPG geologic province:
Midcontinent 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 ([ ]).