Trans-Pecos Volcanic Field
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 southernmost volcanic field to be documented and recorded in the continental United States. The field started volcanic activity around 48 million years ago in the middle Eocene epoch, and ended around 31 million years later in the Miocene epoch.
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.[1][2]
References
- Henry, Christopher D.; Price, Jonathan G.; Rubin, Jeffrey N.; Parker, Don F.; Wolff, John A.; Self, Stephen; Franklin, Richard; Barker, Daniel S. (June 1, 1988). "Widespread, lavalike silicic volcanic rocks of Trans-Pecos Texas". Geology. 16 (6): 509–512. doi:10.1130/0091-7613(1988)0162.3.CO;2 – via pubs.geoscienceworld.org.
- Wilson, J. A. (1980). "Geochronology of the Trans-Pecos Texas volcanic field". Trans-Pecos region: New Mexico Geological Society, 31st Field Conference Guidebook (PDF). pp. 205–211.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.