Tag Archives: mass wasting

HiRISE: Hues in a crater slope

Impact craters expose the subsurface materials on steep slopes. However, these slopes often experience rockfalls and debris avalanches that keep the surface clean of dust, revealing a variety of hues, like in this enhanced-color image, representing different rock types. The … Continue reading

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HiRISE: Equatorial proto-gullies

Equatorial proto-gullies. Beautiful Mars series.

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HiRISE: Colorful bedrock exposed by landslide

The steep walls of Valles Marineris sometimes fail, creating giant landslides. This provides a clean exposure of the underlying bedrock. This image of the north wall of Ganges Chasma reveals bedrock with diverse colors and textures, representing different geologic units. … Continue reading

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THEMIS: Rubble and ridges in Melas Chasma

THEMIS Image of the Day, December 5, 2016. Today’s VIS image shows part of the canyon wall of Melas Chasma. Landslides and “mass wasting” — the downslope movement of loose debris — have eroded the canyon walls and dumped a … Continue reading

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HiRISE: Knobs with lobate flows

Knobs with lobate flows around their margins. Beautiful Mars series.

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THEMIS: Landslide in Candor Chasma

THEMIS Image of the Day, November 16, 2016. Today’s false color image shows part of Candor Chasma. There is a landslide deposit from the rim of the chasma. The THEMIS VIS camera contains 5 filters. The data from different filters can … Continue reading

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HiRISE: Trundling boulders

This picture of the rim of Eos Chasma in Valles Marineris shows active erosion of the Martian surface. Layered bedrock is exposed in a steep cliff on a spur of the canyon rim. Dark layers in this cliff are made … Continue reading

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HiRISE: Bright streaks in slopes in Bahram Vallis

Bright streaks in slopes in Bahram Vallis. Beautiful Mars series.

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THEMIS: Gullies, channels, slumps in Terra Sirenum

THEMIS Image of the Day, October 31, 2016. This VIS image shows a group of craters in Terra Sirenum. The elongate crater in the top half of the image has numerous gullies dissecting the inner crater rim as will has … Continue reading

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THEMIS: Landslide into Tiu Valles

THEMIS Image of the Day, September 20, 2016. Today’s VIS image shows a landslide deposit from the cliffside along Tiu Valles. The mesas at the bottom of the image are part of Hydraotes Chaos. More THEMIS Images of the Day … Continue reading

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