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

Geologic Unit: Leitchfield

Usage:

Leitchfield Formation (KY*)


Subunits:

(alphabetical) --all in KY: Clore Limestone Member, Palestine Member, Tar Springs Sandstone Member*, Vienna Limestone Member*, Waltersburg Sandstone Member.


Geologic age:

Late Mississippian (Chesterian)*


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

Type area: Leitchfield, Grayson Co., KY.


AAPG geologic province:

Illinois 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).