Usage:
Goodrich Quartzite of Baraga 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:
Exposure at and adjacent to the Goodrich Mine, Marquette Range (Van Hise and Bayley, 1895).
[Goodrich Mine in W/2 NW/4 sec. 19, T. 47 N. R. 27 W., (approx. Lat. 46 deg. 27 min. 33 sec. N., Long. 87 deg. 44 min. 18 sec. W.), Ishpeming 7.5-min quadrangle, Marquette Co., Northern Peninsula, northwestern MI.]
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 ([ ]).