Usage:
Eagle Mills Formation (subsurface of AL,AR*,FL,LA*,MS*,TX*)
Geologic age:
Triassic*
Triassic, Late*
Jurassic, Early
Type section, locality, area and/or origin of name:
Not designated. Present in subsurface. Named from the Amerada Petroleum Company et al Eagle Mills No. 1 well, in sec. 11, T. 12 S., R. 16 W., Ouachita Co., AR (Weeks, 1938).
AAPG geologic province:
Arkla basin*
Mid-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 ([ ]).