U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Denham

Usage:

Denham Formation of Mille Lacs Group (MN)


Geologic age:

Paleoproterozoic


Type section, locality, area and/or origin of name:

Type locality (composite): in SE/4 sec. 25 and NE/4 sec. 26, T. 45 N., R. 21 W., approx. 1.6 km southeast of Denham, northwest Pine Co., MN (Morey, 1978).


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 ([ ]).