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National Geologic Map Database

Geologic Unit: Arnett

Usage:

Arnett Member of Breathitt Formation (KY*)
Arnett Member of Vowell Mountain Formation (TN*)
Arnett Member of /Four Corners Formation of Breathitt Group (KY)

[Four Corners Formation conflicts with nomenclature guidelines (NACSN, 1983, 2005).]


Geologic age:

Middle Pennsylvanian (early Moscovian; Westphalian B; middle Atokan)*


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

Type section (subsurface): corehole (unknown driller) at 447m elevation on ridge between head of Dusty Fork of Leatherwood Creek and head of Log Fork of Squabble Creek (Lat. 37 deg. 17 min. 11 sec. N., Long. 38 deg. 31 min. 17 sec. W.), southeastern part of Mistletoe 7.5-min quadrangle, Perry Co., southeastern KY. Named from village of Arnett on KY Highway 28, Cowcreek 7.5-min quadrangle, Owsley Co., southeastern KY (Rice, 1995).


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