Usage:
No current usage.
(†Smith River Lake Beds or †Smith Creek Beds (MT-recognized locally in Little Belt Mountains region) replaced with Deep River Beds. See Deep River.)
Geologic age:
Miocene, middle
Type section, locality, area and/or origin of name:
Deposited in lake that once filled valley of Smith River [now North Fork of Smith River, Meagher Co.], between Little Belt and Big Belt Ranges, Little Belt Mountains region, central southern MT (Weed, 1899).
AAPG geologic province:
Montana folded belt
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 ([ ]).