Geologic Unit: Yeso

Usage:

Yeso Formation (NM*,TX*)

Subunits:

(alphabetical) --all in NM: Canas Gypsum Member* or Canas Member, /Drinkard Sandy Member, Joyita Member or Joyita Sandstone Member*, Los Vallos Member*, Meseta Blanca Sandstone Member*, Otero Mesa Member*, San Ysidro Member*, Torres Member*.

Geologic age:

early Permian (Leonardian)*

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

Type section: base of section is 11.2 mi N. 46 deg. E. of Socorro at point on Socorro quadrangle where its eastern edge is intersected by the 34 deg. 10 min. parallel. Section measured northeast from this point, in canyons and cuesta escarpments in secs. 4 and 5, T. 2 S., R. 2 E., and in sec. 33, T. 1 S., R. 2 E., Socorro Co., central NM. Top of section is 2.25 mi southeast of Mesa del Yeso on high isolated butte (Needham and Bates, 1943).
Named from Mesa del Yeso, a small table-land 12 mi northeast of Socorro, [Socorro Co.], central NM (Lee, 1909).

AAPG geologic province:

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