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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 Leyva Canyon Volcano is an extinct trachyte shield volcano located in Big Bend Ranch State Park in western Presidio County, Texas.Last erupted in the Oligocene (27.3- 27.1 Ma), the volcano is composed mostly of trachyte, rhyolite pyroclastic flows, lava dome fragments, and lahars, which all erupted from numerous vents around a main central caldera near the central of the Bofecillos Mountains.
Notable volcanoes in Mexico include Popocatépetl, one of the country's most active and dangerous volcanoes, Pico de Orizaba (Citlaltépetl), the highest peak in Mexico, and Parícutin, a cinder cone volcano that famously emerged from a cornfield in 1943. Mexican volcanoes play a significant role in the country's geography, climate, and culture ...
Pico de Orizaba is located at 19°1′48″N 97°16′12″W, about 110 kilometres (68 mi) west of the Gulf of Mexico and 200 kilometres (120 mi) east of Mexico City, on the border between the states of Veracruz and Puebla. The volcano is approximately 480 kilometres (300 mi) south of the Tropic of Cancer.
The Potrillo volcanic field is a monogenetic volcanic field located on the Rio Grande Rift in southern New Mexico, United States and northern Chihuahua, Mexico.The volcanic field lies 22 miles (35 km) southwest of Las Cruces, and occupies about 4,661 square kilometers (1,800 sq mi) near the U.S. border with Mexico.
The Cofre de Perote and Pico de Orizaba volcanoes, in Puebla and Veracruz, mark the meeting of the Trans-Mexican Volcanic Belt with the Sierra Madre Oriental. To the south, the basin of the Balsas River lies between the Trans-Mexican Volcanic Belt and the Sierra Madre del Sur. This area is also a distinct physiographic province of the larger ...
San Martín Tuxtla is the only recently active volcano in the belt, erupting in 1664 and again in May 1793. It is a broad alkaline shield volcano with a one kilometer wide summit. Hundreds of smaller cinder cones are prevalent throughout the Sierra. Other, extinct volcanoes include San Martin Pajapan (1,160 meters) and Cerro El Vigia (800 meters).
Despite its name, only a fraction of the volcano's surface area is in the state of Colima; the majority of its surface area lies over the border in the neighboring state of Jalisco, toward the western end of the Trans-Mexican Volcanic Belt. It is about 485 km (301 mi) west of Mexico City and 125 km (78 mi) south of Guadalajara, Jalisco.