Tag Archives: mass wasting

HiRISE: Gale Crater wall rock

Gale Crater wall rock — This is at the far northern edge of the crater, well beyond the sight of the Curiosity rover. Beautiful Mars series.

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HiRISE: Gully monitoring in Kamnik Crater

Gully monitoring in Kamnik Crater. Beautiful Mars series.

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THEMIS: Sand in Cimmeria, and a landslide

THEMIS Image of the Day, April 4, 2017. This VIS image shows a small dune field on the floor of an unnamed crater in Terra Cimmeria. Just south of the dune field is the crater’s central peak, with what appears … Continue reading

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THEMIS: Flat-top ridge erodes to spurs & gullies

THEMIS Image of the Day, March 23, 2017. Today’s false color image shows part of Coprates Chasma, where a flat-topped ridge is eroding from both sides into blade-like terrain with spur-and-gully topography. The THEMIS VIS camera contains 5 filters. The … Continue reading

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THEMIS: Canyon’s edge in Ganges Chasma

THEMIS Image of the Day, March 17, 2017. Today’s false color image shows part of Ganges Chasma. Dunes are visible on the floor of the canyon (bottom right corner of the full image). The THEMIS VIS camera contains 5 filters. … Continue reading

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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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