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Salt Flat is a ghost town in northeastern Hudspeth County, Texas, United States. It lies along the concurrent U.S. Routes 62 and 180 north of the Census-designated place (CDP) of Sierra Blanca, the county seat of Hudspeth County.[1] Its elevation is 3,730 feet (1,137 m).[2] Although Salt Flat is unincorporated, it has a ZIP Code of 79847.[3] The headquarters of the nearby Guadalupe Mountains National Park uses this ZIP Code although it is located closer to Pine Springs, which has no post office.

Salt Flat, Texas
Ghost town
Salt Flat
Salt Flat
Coordinates: 31°44′37″N 105°5′34″W
CountryUnited States
StateTexas
CountyHudspeth F
Elevation
3,730 ft (1,140 m)
Time zoneUTC−07:00 (Mountain (CST))
 • Summer (DST)UTC−06:00 (MDT)
ZIP Code
79847
GNIS feature ID1367427

Salt deposits


Panorama of the Salt Flat, Hudspeth County, Texas
Panorama of the Salt Flat, Hudspeth County, Texas


Just outside the community there is a dry salt pan called Salt Flat Playa or Salt Basin. It straddles the New Mexico-Texas border and is about 150 miles long, and 5 to 15 miles wide making it one of the largest gypsum playas in the United States. The playa occupies the north-south oriented Salt Basin Grabben, which lies between the Guadalupe and Delaware Mountains on the east and the Sierra Diablo and Diablo Plateau on the west. Originally the playa was a lake during the late Pleistocene, but drying of the climate since then has left a salt pan.[4] Today, a briny water table is about three feet below the surface. Capillary evaporation in the dry, hot weather pulls brine upwards and evaporite (gypsum, halite) and carbonate (calcite, dolomite) minerals precipitate.[4] Cyanobacteria (blue-green algae) grow on the surface and immediately below the surface when the playa is wet. Alternating light and dark bands are either gypsum-rich (light) or dolomite-rich (dark)[5] When the playa is dry during the summer, winds blow the gypsum into sand dunes.

The San Elizario Salt War was a dispute over ownership and access to these salt deposits.[6]

View across the gypsum playa of Salt Flat, Hudspeth County, Texas. The dark color is due to the surface being wet.
View across the gypsum playa of Salt Flat, Hudspeth County, Texas. The dark color is due to the surface being wet.
Alternating light and dark bands in the playa sediments.
Alternating light and dark bands in the playa sediments.
Cross-section of a gypsum sand dune on the west side of Salt Flat Playa.
Cross-section of a gypsum sand dune on the west side of Salt Flat Playa.

References


  1. Rand McNally. The Road Atlas '08. Chicago: Rand McNally, 2008, p. 99.
  2. U.S. Geological Survey Geographic Names Information System: Salt Flat, Texas
  3. ZIP Code Lookup
  4. Hussain, M., Rohr, D. M., and Warren, J. X., 1988, Depositional environments and facies in a Quaternary continental sabkha, West Texas, in Guadalupe Mountains revisited, Texas and New Mexico: West Texas Geological Society Publication 88-84, p. 177-185.
  5. Chapman, J.E.B., 1984, Hydrogeochemistry of the unsaturated zone of a salt flat in Hudspeth County, Texas: Austin, University of Texas at Austin, M.S Thesis, 132p.
  6. The Salt War of San Elizaro, The Handbook of Texas Online



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Salt Flat es un despoblado en la parte noreste del Condado de Hudspeth, Texas, Estados Unidos.


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