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Echus Chasma

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Title: Echus Chasma  
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Subject: Outflow channels, Hebes Chasma, Kasei Valles, Coprates quadrangle, Water on Mars
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Echus Chasma

Echus Chasma
View of Echus Chasma in mosaic of THEMIS infrared images.
Length 100 km
Width 10 km
Depth 4 km

Echus Chasma is a chasma in the Lunae Planum high plateau north of the Valles Marineris canyon system of Mars.[1] Clay has been found within it, meaning that water once sat there for a time.[2]


Echus Chasma is approximately 100 km long and 10 km wide, with valleys ranging in depth from around 1 km to 4 km.[1][3] It is the source region of the Kasei Valles outflow channel, which extends northward from it. It is situated just west of Hebes Chasma, to which it does not connect.

See also


  1. ^ a b ESA (2008-07-14). Echus Chasma. Retrieved on 2008-07-15 from
  2. ^ http://www.jhu/~gazette/21jul08/21wetmars.html
  3. ^ Smith, Graham (2008-07-15). Incredible pictures of Mars - and they look surprisingly like some parts of Earth. Retrieved on 2008-07-15 from

External links

  • ESA - Space Science - Echus Chasma
  • APOD - Echus Chasma from Mars Express
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