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 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 ([ ]).