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Arabia quadrangle

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Title: Arabia quadrangle  
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Subject: Aeolis quadrangle, Amazonis quadrangle, Amenthes quadrangle, Arcadia quadrangle, Argyre quadrangle
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Arabia quadrangle

Arabia quadrangle
Map of Arabia quadrangle from Mars Orbiter Laser Altimeter (MOLA) data. The highest elevations are red and the lowest are blue.
Coordinates
Image of the Arabia Quadrangle (MC-12). The region is dominated with heavily cratered highlands; the northeast part contains Cassini Crater.

The Arabia quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Arabia quadrangle is also referred to as MC-12 (Mars Chart-12).[1]

The quadrangle contains part of the classic area of Mars known as Arabia. It lies on the boundary between the young northern plains and the old southern highlands. The quadrangle covers the area from 315° to 360° west longitude and 0° to 30° north latitude.

Contents

  • Description 1
  • Layers 2
  • Craters 3
  • Possible methane 4
  • Deformation bands 5
  • Geological history 6
  • Dark slope streaks 7
  • Other features 8
  • See also 9
  • References 10

Description

The surface of the Arabia quadrangle appears to be very old because it has a high density of craters, but it is not near as high in elevation as typical old surfaces. On Mars the oldest areas contain the most craters; the oldest period is called Noachian after the quadrangle Noachis.[2] The Arabia area contains many buttes and ridges. Some believe that during certain climate changes an ice-dust layer was deposited; later, parts were eroded to form buttes.[3] Some outflow channels are found in Arabia, namely Naktong Vallis, Locras Valles, Indus Vallis, Scamander Vallis, and Cusus Valles.[4]

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