Tag Archives: linear ridges

THEMIS: Wind-etched sediments in Gordii Dorsum

THEMIS Image of the Day, July 10, 2019. The most common active process affecting the surface of Mars today is erosion by the wind. In areas of poorly cemented surface materials, the effect is more easily seen. This image near … Continue reading

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HiRISE: Linear ridge network north of Antoniadi Crater

A linear ridge network to the north of Antoniadi Crater. The objective of this observation is to examine a linear ridge network. This network may have been a consequence of fluids raised along faults created by impacts. They have also … Continue reading

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THEMIS: Spiny ridges of Lycus Sulci

THEMIS Image of the Day, March 29, 2018. Lycus Sulci is a very complex region surrounding the northern and western flanks of Olympus Mons. This VIS image shows several features found in Lycus Sulci including tectonic derived ridges with dark … Continue reading

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HiRISE: Ridges near Nirgal Valles

In this observation, we see a set of straight ridges in ancient bedrock near Nirgal Valles. The patterns indicate fractures from tectonic stresses, but how have they been hardened to now stand in positive relief after billions of years of … Continue reading

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HiRISE: Ridge and mesa in Utopia Planitia

Ridge and mesa in Utopia Planitia. Beautiful Mars series.

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THEMIS: Arabia Terra

THEMIS Image of the Day, February 23, 2016. Today’s VIS image shows a portion of Arabia Terra. The very narrow linear ridges are indications of tectonic processes at some point in the formation of this region. More THEMIS Images of … Continue reading

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