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The Rio Grande follows this rift for much of its course. 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]
Rio Grande Gorge Bridge. Geologically, the Rio Grande Gorge is a canyon, [1] carved out by erosion over the last several million years. [2] The Rio Grande Gorge and its river follow a topographical low within the larger Rio Grande Rift; a mixture of volcanic activity, shifting tectonic plates, and erosion of layers of gravels and lava yielded the recognizable narrow, deep gorge visible today.
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 lava flows in the field is estimated to be between 1.8 and 4 million years, with a few 22-million-year-old vents.
The area is part of the Rio Grande rift, where the Earth's crust is being stretched and thinned. The rift is characterized by deep sedimentary basins, recent faulting and volcanic activity, and unusually high heat flow upwards from the Earth's mantle. Kilbourne Hole and Hunt's Hole are located on the same north-trending fault of the Fitzgerald ...
The Santa Fe Group is widely defined as basin-filling sedimentary and volcanic rocks of the Rio Grande rift. [1] These range in age from late Oligocene to Pleistocene. The oldest formations in the group correspond to the earliest structural deformation associated with rifting.
Rio Grande southeast of Falcon Reservoir, Municipality of Mier, Tamaulipas, Mexico (August 12, 2007) In 1997, the US designated the Rio Grande as one of the American Heritage Rivers. Two portions of the Rio Grande are designated National Wild and Scenic Rivers System, one in northern New Mexico and the other in Texas, at Big Bend National Park.
Mar. 25—Could the secret behind New Mexico's hot springs become an energy source? Our cover story and Tech Outlook podcast this week are about New Mexico's geothermal energy potential, and ...
Basins of the Rio Grande Rift Map of physiographic provinces of New Mexico. New Mexico is entirely landbound, with just 0.2% of the state covered with water, [1] and most of the state has an arid to semiarid climate. [2] Much of the state is mountainous, except for the easternmost Great Plains region. [3]