NASA's Mars Global Surveyor shows a layered mound, buried under a thin coating of material hard enough to have been cut by shallow fractures, on the floor of the giant Argyre Basin.

1 March 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a layered mound, buried under a thin coating of material hard enough to have been cut by shallow fractures, on the floor of the giant Argyre Basin. The material beneath the basin floor is layered; this is an eroded (and then thinly-buried) remnant of some of that layered material.

Location near: 54.2°S, 46.7°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Summer

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