NASA's Mars Global Surveyor shows a chain of pits associated with dust-covered lava flows in northern Tharsis on Mars. The pits formed along a fault; some of the flows may have erupted along this same fault.

8 June 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a chain of pits associated with dust-covered lava flows in northern Tharsis. The pits formed along a fault; some of the flows may have erupted along this same fault.

Location near: 23.4°N, 110.6°W
Image width: ~3 km (~1.9 mi
Illumination from: lower left
Season: Northern Autumn

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