Usage:
Ready Pay Member of Percha Shale (NM*)
Ready Pay Member of Percha Formation (NM*)
Geologic age:
late Late Devonian (Famennian)*
Type section, locality, area and/or origin of name:
Not designated. Named from Ready Pay Gulch which drains into Percha Creek 400 yds east of The Box, in SW/4 SW/4 SE/4 sec. 14, T. 16 S., R. 7 W., Sierra Co., NM (Stevenson, 1945).
AAPG geologic province:
Pedregosa basin*
Orogrande basin*
Basin-and-Range province*
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 ([ ]).