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National Geologic Map Database

Geologic Unit: Clover Fork

Usage:

Clover Fork Sandstone Member of Wise Formation (VA*)
(†Clover Fork not used by the KY Geol. Survey; type locality partly in KY. Rocks incl. in Pikeville Formation of Breathitt Group. See Pikeville.)


Geologic age:

Middle Pennsylvanian (Moscovian; Westphalian; Atokan)*


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

Type section: along VA Highway 624, between Keokee, Lee Co., VA, and Morris Gap at crest of Little Black Mountain, VA-KY State line, beginning at gentle curve, 1,000 ft north-northwest of junction of VA Highways 606 and 624 in north part of town of Keokee, and ending at top of Little Black Mountain on dirt road, 200 ft west of Morris Gap, Lee Co., southwestern VA. Named from Clover Fork of Cumberland River, [along KY-side of Black Mountain, in northwestern corner of] Keokee 7.5-min quadrangle, Harlan Co., southeastern KY (Miller, 1969).


AAPG geologic province:

Appalachian 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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).