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Post by spacecowboy2006 on Apr 4, 2017 14:05:55 GMT
A third type of crater on Mars. The first two types include meteorite craters and volcanic craters. The third type are craters along linear faults which on Mars are fairly commmon. Seen here is such a chain of pit craters. They may appear as a stream of contiguous meteorite impacts; however they are formed where surface material sinks into a fracture. The reason they do not resemble terrestrial troughs or canyons is because water was not present to complete the topograpy.
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