Usage:
Lac La Croix Granite of Vermilion Granitic Complex (MN*)
Geologic age:
Late Archean*
Type section, locality, area and/or origin of name:
Named from outcrops south of Lac La Croix, northern St. Louis Co., MN (Southwick and Sims, 1980).
Reference localities: (1) main body in roadcut along Echo Trail, just south of Little Indian Sioux River, and (2) quartz-feldspar gneiss border facies near Namakan Lake (Southwick and Sims, 1980).
AAPG geologic province:
Lake Superior 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 ([ ]).