San Andres Formation  search
RTArgentina
 Guadalupian
 Leonardian
 Mexico
 Permian
 New Mexico
 Texas
SNPermian in Manzano Group of Permian Basin in central and SE New Mexico and West Texas. Also in other locations including Argentina and Baja California, Mexico. Also search San Andres with location and/or age. Indexed with age or ages as applicable.