Ismeniae Fossae

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Ismeniae Fossae (THEMIS mosaic)
Viking Orbiter 2 image of part of Ismeniae Fossae

Ismeniae Fossae is a region containing irregular valleys on

Moreux crater. The regions of plateaus known as Deuteronilus Mensae and Protonilus Mensae
are to the northwest and northeast of Ismeniae Fossae.

Large channels on east side of Ismeniae Fossae. The 2 km-wide curvilinear trough that runs through this image contains numerous parallel grooves and ridges comprising material from the trough walls and material that has been dragged along the floor by ancient glaciers and ice-rich flows.

References