Ismenius Lacus Quadrangle - Physiography and Geology

Physiography and Geology

In eastern Ismenius Lacus, lies Mamers Valles, a giant outflow channel.

• Wide view of Mamers Vallis with cliffs, as seen by HiRISE.

• Smooth cliff of Mamers Valles. Note the lack of boulders. Much of the surface may have just been blown in or dropped from the sky (as dirty frost). Image from HiRISE.

• Layered deposit in Mamers Valles, as seen by HiRISE.