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National Geologic Map Database

Geologic Unit: Kope

Usage:

Kope Formation (IN*,KY*,OH*)
Kope Formation of Maquoketa Group (IN)
Kope Formation of Cincinnati group (informal) (OH)

(Cincinnati group considered informal by the OH Geol. Survey. The rank or lithologic term should not be capitalized.)


Subunits:

Grand Avenue Member (KY*,OH*), Wesselman Tongue (OH*)


Geologic age:

Middle Ordovician
Ordovician, Late*
Cincinnatian*
Edenian*
Maysvillian*


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

Type section: Kope Hollow, mostly in the Russelville 7.5-min quadrangle, near Levanna, Brown Co., OH (Weiss and Sweet, 1964).


AAPG geologic province:

Cincinnati arch*


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 ([ ]).