Usage:
Enchantment Lake Formation of Chocolay Group of Marquette Range Supergroup (MI*-local)
Notable exposures in Marquette Range, Northern Peninsula.
Geologic age:
Paleoproterozoic*
Type section, locality, area and/or origin of name:
Just north of Enchantment Lake, in sec. 29, T. 48 N., R. 25 W., Marquette 7.5-min quadrangle, Marquette Co., Northern Peninsula, northwestern MI. Also ocurrs in scattered outcrops from 0.5 mi northwest to 1.5 mi east of lake. Named from Enchantment Lake, in secs. 29 and 32, T. 48 N., R. 25 W. (Gair and Thaden, 1968).
AAPG geologic province:
Lake Superior region*
Wisconsin arch*
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 ([ ]).