Usage:
De Leon Formation of Big Saline Group (TX)
Geologic age:
Pennsylvanian
Type section, locality, area and/or origin of name:
Type section (subsurface): depth-interval 3,870 to 4,132 ft, Roxana Petroleum Company Seaman No. 1 test well, northwest Palo Pinto Co., north-central TX. Named from town of De Leon in northern Comanche Co., TX (Cheney, 1940).
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 ([ ]).