Usage:
Black Lion Conglomerate (MT*)
Black Lion Formation (MT*)
Geologic age:
Mesoproterozoic*
Type section, locality, area and/or origin of name:
Type section: cliffs between summit of Black Lion Mountain and top of talus above Black Lion Lake, at 9,000 ft elevation, Vipond Park quadrangle, Beaverhead Co., MT (Zen, 1988).
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 ([ ]).