Tag Archives: patterned ground

HiRISE: Lineated terrain

Lineated terrain — At first glance, these appear as ridges, but a closer inspection shows  patterned ground on a (roughly) level surface. In the absence of a slope, how did these form? Beautiful Mars series.

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HiRISE: Channel system & patterned ground near Hellas

In this image, we explore the southwestern floor of a 50-kilometer diameter unnamed crater, about 100 kilometers northeast of Hellas Basin. The crater’s rim is breached (see Google context image below) on both the north and south by a valley … Continue reading

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HiRISE: Strange patterned ground

Strange patterned ground and circular spots in dark area. This formation is right under the rim of an impact crater. There is a possibility of frost at this latitude, but doesn’t look like it is recent. Beautiful Mars series.

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