The massive Carrizozo lava flow is one of Earth's longest known lava flows that were erupted in the past 10,000 years. The basalt flow is 50 m thick, 75 km long, 1-5 km wide and was mainly fed by lava tubes. [more]
The Raton-Clayton volcanic field, in the extreme northeastern corner of New Mexico, approximately 125 kilometers east of Taos, comprises Sierra Grande shield volcano and 125 cinder cones and associated lava flows, ranging in age between 1 million to ca. 60,000 years old.
The 22-km-wide Valles caldera was formed by 2 very large explosive eruptions 1.7 and 1.2 million years ago. Post caldera eruptions formed Redondo Peak dome inside the caldera.
The last eruptions of the caldera happened 50,000-60,000 years ago, depositing rhyolite ignimbrite... [more]
The Zuni-Bandera volcanic field in New Mexico, is an elongated, 90 km long and 1-35 km wide arrea of 2460 km2 along the Jemez lineament west of the Rio Grande Rift.
The field contains cinder cones and extensive lava flows with various types of basalt lava. The youngest lava... [more]