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Uranius Mons,[1] formerly Uranius Patera, is a volcano on Mars located in the Tharsis quadrangle, named after a classical albedo feature. The name "Uranius Patera" now refers only to the volcano's central caldera.[2] It is about three kilometers high and has shallow slopes. It belongs to the Uranius group of volcanoes in the Tharsis area. The sides of Uranius Mons consist of radial lava flows; the large caldera (90×65 km) is elongated in the southwestern direction. The surrounding plains are younger and part of the Tharsis Montes Formation of the Amazonian epoch.[3]

Uranius Mons
Uranius Mons.jpg
2001 Mars Odyssey THEMIS mosaic of Uranius Mons
Feature typemountain
Coordinates26°54′N 267°51′E / 26.90°N 267.85°E / 26.90; 267.85Coordinates: 26°54′N 267°51′E / 26.90°N 267.85°E / 26.90; 267.85


  1. ^ "Uranius Mons". USGS planetary nomenclature page. USGS. Retrieved 2012-06-30.
  2. ^ "Uranius Patera". USGS planetary nomenclature page. USGS. Retrieved 2012-06-30.
  3. ^ Lunar and Planetary Science XXX, Geology of Uranius Patera, Mars. J. B. Plescia, U. S. Geological Survey, 2255 N. Gemini Drive, Flagstaff, AZ 86001.