Tag Archives: scarps

Are scarps on Mars oriented by wind erosion?

[Editor’s note: From a paper by Joshua Williams and three co-authors recently published in Icarus.] Scarp orientation in regions of active aeolian erosion on Mars • Scarps were analyzed in two regions of active aeolian erosion on Mars. • No … Continue reading

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HiRISE: Along a scarp

Along a scarp. All along this section of scarp of a canyon in Kasei Valles, there appears to be a lobe-shaped margin of something (lava? mud? flood sediments?) that flowed into this trough, coated the floor and subsequently drained. What’s … Continue reading

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THEMIS: Big step-off at Olympus Rupes

THEMIS Image of the Day, August 20, 2018. Olympus Rupes is the name of the large escarpment surrounding Olympus Mons. The escarpment is a cliff where there is a large elevation change over a short distance. The elevation change from … Continue reading

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HiRISE: Scarp monitoring

Scarp monitoring. The “blue” in enhanced color could be seasonal frost or perhaps ground ice. We’ll be monitoring this site for one Mars year (two Earth years) to see any changes that helps us figure out what kind of ice this … Continue reading

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HiRISE: Lingering frost

Lingering frost. The North Polar layered deposits comprise a thick stack of icy layers. Part of this image has lingering seasonal frost, which serves to accentuate those layers.  An additional rationale for this observation is to document new activity in … Continue reading

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HiRISE: Layers to behold

Layers to behold. A scarp and more on layered deposits in Ceti Mensa. Beautiful Mars series. [More at links]

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Water-ice cliffs found in Mars’ mid-latitudes

Researchers using NASA’s Mars Reconnaissance Orbiter (MRO) have found eight sites where thick deposits of ice beneath Mars’ surface are exposed in faces of eroding slopes. These eight scarps, with slopes as steep as 55 degrees, reveal new information about … Continue reading

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THEMIS: Late summer scarps and textures

THEMIS Image of the Day, June 12, 2017. This VIS image shows more of the variety of textures on the south polar cap, as southern summer winds to its close. More THEMIS Images of the Day by geological topic.

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HiRISE: North Ismeniae Fossae scarp

North Ismeniae Fossae scarp. Beautiful Mars series.

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THEMIS: Scarp at edge of Olympus Mons

THEMIS Image of the Day, July 18, 2016. Today’s VIS image covers part of Olympus Rupes, the steep escarpment at the edge of Olympus Mons. The left side of the image is the flank of the volcano, the right side … Continue reading

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