Geologic Unit: San Andres

Usage:

San Andres Limestone (NM*,TX*)
San Andres Formation (AZ,NM,TX)
San Andres Group (NM)
Originally spelled San Andreas.

Subunits:

GROUP STATUS (alphabetical) --all in NM: Glorieta Sandstone, Lagunita Formation.
FORMATION STATUS (alphabetical): Bonney Canyon Member (NM), Fourmile Draw Member (NM), Glorieta Sandstone Member (NM), Hondo Sandstone Member (NM*), Lovington Member (NM) or Lovington Sandstone Member (NM,TX), Rio Bonito Member (NM).

Geologic age:

Permian, Early*
Leonardian*
Guadalupian, early*

Type section, locality, area and/or origin of name:

Type locality: at north end of San Andreas [San Andres] Mountains, southwestern NM (Lee, 1909).
Type section: south wall of Rhodes Canyon 2 mi west of road fork at top of Rhodes Pass and 14.6 mi by road east of Continental Airlines beacon near Engle. Canyon extends from near middle of north line of sec. 29, T. 12 S., R. 2 E., Socorro Co., southwestern NM. Inquiry established that canyon referred to by Lee is one now known as Rhodes Canyon, San Andres Mountains, Socorro Co. (Needham and Bates, 1943).

AAPG geologic province:

Estancia basin
Las Vegas-Raton basin*
Orogrande basin*
Palo Duro basin*
Permian basin
San Juan basin