Usage:
Homestake Formation (SD*)
Geologic age:
Paleoproterozoic*
Type section, locality, area and/or origin of name:
Not designated. Origin of name not stated, but probably named from Homestake Mine, Lead district, Lawrence Co., southwestern SD. Exposed west of Ellison shaft (Hosted and Wright, 1923).
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 ([ ]).