Santa Rosa Hills Limestone (CA*)
Middle Mississippian (Visean; late Osagean to early Meramecian)*
Type section: on northwest side of hill 6170 in Santa Rosa Hills, in T. 17 S., R. 40 E., NW/4 Darwin 15-min quadrangle, Inyo Co., CA (Stone and others, 1987).
Great Basin province*
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 ([ ]).