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National Geologic Map Database

Geologic Unit: Englewood

Usage:

Englewood Formation (MT*,NE*,ND*,SD*,WY*)
Englewood Limestone (SD*,WY)


Geologic age:

Late Devonian and Early Mississippian (Famennian and Kinderhookian)*


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

Not designated. Name applied by Jaggar from unspecified locality in northern Black Hills (Darton, 1901).
Type locality near Englewood, Lawrence Co., SD (Jaggar, 1904).
Type section measured 2 mi southwest of Englewood, in sec. 30 or 31, T. 4 N., R. 3 E. (Jaggar, 1904).
Reference section: at Deadwood junkyard, east side of Whitewood Creek, north of U.S. Highway 14 near its junction with U.S. Highway 85, in NE/4 SE/4 sec. 13, T. 5 N., R. 3 E., Lawrence Co., SD (Kume, 1963).


AAPG geologic province:

Chadron arch*
Denver basin*
Powder River basin*
Williston basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).