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

Geologic Unit: Plum Creek

Usage:

Plum Creek Shale Member of Drowning Creek Formation (KY*)
Plum Creek Clay Member of Noland Formation (KY)
Plum Creek Shale Member of Noland Formation (OH)


Geologic age:

early Silurian (Llandovery)*


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

Lower part of Plum Creek, about 3 mi southwest of Clay City, Powell Co., KY (Foerste, 1906).


AAPG geologic province:

Cincinnati arch*


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 ([ ]).