Collapse Pit in Tractus Fossae (Original NASA/MGS/MSSS b/w Frame)

Original Caption:"This MGS-MOC image shows a 1,5 meters (5 feet) per pixel view of a large Collapse Pit in the Tractus Fossae portion of the Tharsis Region of Mars. Such collapses usually occur along faults formed by expansion and pulling apart of the Planet's Upper Crust".

Location near: 22,5° North Lat. and 101,4° West Long.
Image width: width: ~3 Km (~1,9 mi)
Illumination from: lower left
Season: Northern Autumn