Franklin Mountains (Texas)

Coordinates: 31°54′10″N 106°29′36″W / 31.90278°N 106.49333°W / 31.90278; -106.49333
Source: Wikipedia, the free encyclopedia.

Franklin Mountains
Igneous

The Franklin Mountains of Texas (Spanish: Sierras de los Mansos[1]) are a small range 23 miles (37 km) long, 3 miles (5 km) wide that extend from El Paso, Texas, north into New Mexico.[2] The Franklins were formed due to crustal extension related to the Cenozoic Rio Grande rift. Although the present topography of the range and adjoining basins is controlled by extension during rifting in the last 10 million years, faults within the range also record deformation during the Laramide orogeny, between 85 and 45 million years ago.

The highest peak is

igneous intrusions. Geologists refer to them as tilted-block fault mountains and in them can be found 1.25 billion-year-old Precambrian rocks,[3] the oldest in Texas.[2][4]

Gallery

  • View of the south end of Franklin Mountains from El Paso, showing the abrupt termination of the range, its westward dip slope and terraced bolson deposits on each side. (1908)[5]
    View of the south end of Franklin Mountains from El Paso, showing the abrupt termination of the range, its westward dip slope and terraced bolson deposits on each side. (1908)[5]
  • North Franklin Peak, looking northeast from South Franklin Mountain
    North Franklin Peak, looking northeast from South Franklin Mountain
  • South and North Franklin mountains, shown left to right, El Paso, Texas, as seen from Fort Bliss. The Organ Mountains can be glimpsed to the north, in the right part of the image.
    South and North Franklin mountains, shown left to right, El Paso, Texas, as seen from Fort Bliss. The Organ Mountains can be glimpsed to the north, in the right part of the image.
  • View of South Franklin Mountain (aka Mount Franklin) (29 March 2009)
    View of South Franklin Mountain (aka Mount Franklin) (29 March 2009)
  • Franklin Mountains with Northwest El Paso in the background
    Franklin Mountains with Northwest El Paso in the background

See also

References

  1. ^ Miles, Robert W. (June 12, 2010). "Franklin Mountains". tshaonline.org. Retrieved March 29, 2020.
  2. ^
    OCLC 271845
    .
  3. ^ "Franklin Mountains State Park : Interpretive Guide" (PDF). Texas State Parks. 2019. Precambrian rocks can be seen in the Tom Mays unit of the Franklin Mountains park.
  4. doi:10.1126/science.19.490.794
    .
  5. OCLC 2514134
    .

External links

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