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The Rio Grande rift is a north-trending continental rift zone. It separates the Colorado Plateau in the west from the interior of the North American craton on the east. [ 1] The rift extends from central Colorado in the north to the state of Chihuahua, Mexico, in the south. [ 2] The rift zone consists of four basins that have an average width ...
The Sangre de Cristo Range, the largest and most northerly subrange of the Sangre de Cristo Mountains, runs directly along the east side of the Rio Grande rift, extending southeast from Poncha Pass for about 75 miles (120 km) through south-central Colorado to La Veta Pass, approximately 20 miles (32 km) west of Walsenburg.
Santa Fe, New Mexico. Named by. Hayden. Year defined. 1869. The Santa Fe Group is a group of geologic formations in New Mexico and Colorado. It contains fossils characteristic of the Oligocene through Pleistocene epochs. The group consists of basin -filling sedimentary and volcanic rocks of the Rio Grande rift, and contains important regional ...
The latter is the type location for resurgent caldera eruptions. [5] The mountains lie on the intersection of the western margin of the Rio Grande Rift and the Jemez Lineament. [6] [7] Here magma produced from the fertile rock of an ancient subduction zone has repeatedly found its way to the surface along faults produced by rifting.
Underneath New Mexico's Rio Grande Valley is the Rio Grande rift, which is tectonically active and pushes the Earth's heat closer to the surface. It's the reason there are hot springs scattered ...
The Sandia Mountains are a fault block range, on the eastern edge of the Rio Grande Rift Valley. The Sandias were uplifted in the last ten million years as part of the formation of the Rio Grande Rift. They form the eastern boundary of the Albuquerque Basin. The core of the range consists of Sandia granite, with a U-Pb age of 1453±12 million ...
The Taos Plateau volcanic field is an area of extensive volcanism in Taos County, New Mexico, United States. It is the largest volcanic field in the Rio Grande Rift, spreading over 7,000 square kilometers (2,700 sq mi). The total erupted volume is estimated at 420 cubic kilometers (100 cu mi). [1] The age of most of the vents and associated ...
35.10°N 106.60°W. / 35.10; -106.60. Country. United States. The Albuquerque Basin (or Middle Rio Grande Basin [1]) is a structural basin and ecoregion within the Rio Grande rift in central New Mexico. It contains the city of Albuquerque . Geologically, the Albuquerque Basin is a half-graben that slopes down towards the east to terminate on ...