Usage:
Six Lakes Member of Hemlock Lake Formation of Saginaw Group (MI)
Geologic age:
Pennsylvanian, Early
Morrowan
Type section, locality, area and/or origin of name:
Type section (subsurface): Michigan Consolidated Gas Company No. SL-425 well, in NW/4 NW/4 SE/4 sec. 13, T. 12 N., R. 7 W., Belvidere Twp. Montcalm Co., MI. Named from Six Lakes gas storage field in Montcalm Co. (Vugrinovich, 1984).
AAPG geologic province:
Michigan basin
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 ([ ]).