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

Geologic Unit: Middlesboro

Usage:

Middlesboro Member of Lee Formation (recognized locally in KY*,TN*,VA*)


Geologic age:

Early Pennsylvanian (Bashkirian; Westphalian; Morrowan)*


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

Type section: Along Skyline road on north side of Cumberland Gap. Named from Middlesboro, KY, which is located at the northwest approach to the Gap (Englund, 1964).


AAPG geologic province:

Appalachian 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 ([ ]).