This image from NASA's Mars Global Surveyor shows a mesa and an impact grater just east of Phlegra Montes. The mesa is the eroded remnant of a once more extensive terrain. An apron of material surrounds the mesa.

23 September 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a mesa and an impact grater just east of Phlegra Montes. The mesa is the eroded remnant of a once more extensive terrain. An apron of material surrounds the mesa.

Location near: 38.5°N, 193.4°W
Image width: ~3 km (~1.9 mi)
Illumination from: lower left
Season: Northern Spring

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