Tag Archives: mass wasting

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

Posted in Reports | Tagged , , , , , , , , , , | Leave a comment

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

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , | Comments Off

HiRISE: Equatorial proto-gullies

Equatorial proto-gullies. Beautiful Mars series.

Posted in Reports | Tagged , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , | Comments Off

HiRISE: Knobs with lobate flows

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

Posted in Reports | Tagged , , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

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

Posted in Reports | Tagged , , , , , , , , , | Comments Off

HiRISE: Bright streaks in slopes in Bahram Vallis

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

Posted in Reports | Tagged , , , , , , , , , | Comments Off