Usage:
Magnolia Formation of Deep Lake Group of Snowy Pass Supergroup (WY*-Medicine Bow Mountains)
Magnolia Formation of Snowy Pass Group (WY*-Sierra Madre)
Geologic age:
Paleoproterozoic*
Type section, locality, area and/or origin of name:
Type section: from SE/4 NW/4 to SW/4 NE/4 sec. 10, T. 16 N., R. 80 W, Carbon Co., WY. Origin of name not stated by authors, but probably named from Magnolia Lake, Carbon Co., WY (Karlstrom and Houston, 1979).
Reference section [incomplete]: 656+ ft thick exposure east of Stamp Mill Lake, in NW/4 SW/4 sec. 15 and NE/4 SE/4 sec. 16, T. 16 N., R. 80 W. (Karlstrom and Houston, 1979).
AAPG geologic 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 ([ ]).