San Mateo Mountains

The San Mateo Mountains, between Socorro and Truth or Consequences, are largely composed of volcanic and shallow intrusive rocks, but Paleozoic and Proterozoic rocks are also exposed.

For a detailed description, see:

McLemore, Virginia T., 2012, Geology of the southern San Mateo Mountains, Socorro and Sierra counties, New Mexico, pp. 261-272 in: Geology of the Warm Springs Region, Lucas, Spencer G.; McLemore, Virginia T.; Lueth, Virgil W.; Spielmann, Justin A.; Krainer, Karl, New Mexico Geological Society 63rd Annual Fall Field Conference Guidebook, 580 p.