Trans-Pecos Volcanic Field facts for kids

The Trans-Pecos Volcanic Field is a volcanic field located in Western texas in the counties of Brewster, Jeff Davis, Presidio, and extends into northern Mexican states of Chihuahua and Coahuila. It is the southern most Volcanic field to be documented and recorded in the Continental United States. The Field started volcanic activity around 48 MYA in the middle Eocene period, and ended around 31 million years later in the miocene period.

Most of the volcanoes in the field are Calderas. Some of the volcanoes are:

• In Big Bend National Park, the Christmas mountains caldera complex and Pine Canyon caldera complex
• In Big Bend Ranch State Park, the Bofecitos mountains center and the Solitario
• Near Alpine, the Paisano Volcano
• In northern Jeff Davis County, the Davis Mountains Caldera Complex
• In central Presidio County, the Chinati Mountain Caldera Complex, and the Oak Hills Center.

The field is currently undergoing geological studying and researched by several colleges and the United States Geological Survey.