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National Geologic Map Database

Geologic Unit: Briar Hill

Usage:

Briar Hill (No. 5A) Coal Member of Carbondale Formation (IL,KY)


Geologic age:

Middle Pennsylvanian (Desmoinesian)


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

Type locality: in mines at DeKoven, Shawneetown quadrangle, Union Co., western KY. Named from Briar Hill, a hill near Dekoven Station, Union Co., western KY (Glenn, 1912, Kentucky Geol. Survey Bull., no. 17, p. 38; see also Kosanke and others, 1960, Willman and others, 1975).
Reference locality: northwest of DeKoven, in T. 9 S., R. 7 E., Eldorado and Equality 15-min quadrangles, Saline Co., southeastern IL (Wanless, 1956, Illinois Geol. Survey Circ., no. 217, p. 10; see also Kosanke and others, 1960, Willman and others, 1975).


AAPG geologic province:

Illinois 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 ([ ]).