Usage:
No current usage.
(Rocks of †McElroy Formation of Jackson Group (TX*) reallocated to Manning and Whitsett Formations of Jackson Group. See Manning and Whitsett.)
Geologic age:
early Tertiary (late Eocene)
Type section, locality, area and/or origin of name:
Type locality: cuts along Farm Road 705, in southern Augustine Co., about 8 or 10 mi west and southwest of McElroy; road connects Brookeland with State Highway 147 to San Augustine and traverses eastern edge of Angelina National Forest, [northeastern TX] (Eargle, 1959).
Original type locality [no longer exists]: RR cut just north of station of McElroy, a small town north of Brookeland, on Santa Fe RR, in Sabine Co., [northeastern TX] (Ellisor, 1931; Plummer, 1933).
AAPG geologic province:
East Texas basin
Gulf Coast 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 ([ ]).