Usage:
East Mountain Shale Member of Mineral Wells Formation of Strawn Group (TX*)
East Mountain Shale of Strawn Group (TX)
East Mountain Formation of Lone Camp Group (TX)
Subunits:
FORMATION STATUS (alphabetical) --all in TX: Hog Mountain Sandstone Bed or Hog Mountain Sandstone Member, Village Bend Member.
Geologic age:
Middle Pennsylvanian (Desmoinesian)*
Type section, locality, area and/or origin of name:
[Not designated.] Named from exposures in high escarpment east of town of Mineral Wells, Palo Pinto Co., north-central TX (Plummer and Moore, 1922).
Type locality: the extensive exposure on south end of East Mountain in Mineral Wells (Plummer and Hornberger, 1936).
AAPG geologic province:
Bend arch*
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 ([ ]).