Tag Archives: mass wasting

HiRISE: Slope monitoring on Ganges Mensa

Slope monitoring on Ganges Mensa. An existing stereo pair shows dark lineations that look very much like recurring slope lineae, but did not exhibit any observed growth within a 1-month interval of the stereo pair, unlike RSL. This picture is … Continue reading

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HiRISE: In etched terrain

In etched terrain. A previous image here showed evidence of recurring slope lineae, so this picture is a follow-up to see if this might be a good candidate for them, although the lineae really aren’t very prominent. Still, we have … Continue reading

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HiRISE: The hills in Eos Chasma

The hills in Eos Chasma. They may not be alive with the sound of music, but we’ll take the opportunity to look for recurring slope lineae, small gullies and slumped material. HiRISE Picture of the Day archive. [More at links]

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THEMIS: Bahram Vallis channel

THEMIS Image of the Day, July 24, 2019. Bahram Vallis crosses this VIS image. Bharam Vallis drains from the higher elevations of Lunae Planum into the Chryse Planitia basin. At the base of several of the scalloped channel wall sections, … Continue reading

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THEMIS: Shalbatana Vallis

THEMIS Image of the Day, June 20, 2019. Today’s VIS image shows a section of Shalbatana Vallis. Along side of the major channel is a smaller tributary channel. A landslide deposit is also visible in this image. Explore more THEMIS Images … Continue reading

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Long runout Mars landslides reconstructed in 3D

Planetary Geomorphology Image of the Month, June 1, 2019: Giulia Magnarini (University College, London). The availability of high resolution imagery of the surface of Mars from NASA’s Mars Reconnaissance Orbiter CTX and HiRISE cameras (NASA PDS) allow us to reconstruct … Continue reading

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HiRISE: A snow plow landslide

This image shows a small landslide in Iani Chaos. Landslides are common on Mars where there are steep slopes, including this area where there are numerous mounds and hills. What is unusual about this landslide is that it carved a … Continue reading

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HiRISE: Landslides in Cerberus Fossae

Cerberus Fossae is a steep-sided set of troughs cutting volcanic plains to the east of Elysium Mons. Steep slopes on Mars have active landslides (also called “mass wasting”), and here we see evidence for two types of activity. First, the … Continue reading

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HiRISE: Gullies on Gorgonum Chaos mesas

Gullies on Gorgonum Chaos mesas. This observation shows part of Gorgonum Chaos, a large cluster of chaotic terrain found in the Southern Hemisphere. Many regions of chaotic terrain are found at the head of large outflow channels that were scoured … Continue reading

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HiRISE: Bouncing boulders

Most debris on crater walls slides straight downhill. In this HiRISE image we see examples of boulders that have bounced downhill, not necessarily vertically. A prominent example looks like a dotted line from the top of the crater wall where … Continue reading

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