Tag Archives: debris flows

HiRISE: A mass of viscous flow features

Viscous, lobate flow features are commonly found at the bases of slopes in the mid-latitudes of Mars, and are often associated with gullies. These features are bound by ridges that resemble terrestrial moraines, suggesting that these deposits are ice-rich, or … Continue reading

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

HiRISE: Terminal lobes of a large debris flow in Melas Chasma

Terminal lobes of a large debris flow in Melas Chasma. Beautiful Mars series.

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: Flow near Reull Vallis

Flow near Reull Vallis. Beautiful Mars series.

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

A mud flow on Mars?

Planetary Geomorphology Image of the Month, October 31, 2015: Lionel Wilson (Lancaster University, UK) and Peter Mouginis-Mark (University of Hawaii). Image 1 shows a distinctive flow deposit southwest of the Cerberus Fossae on Mars.  The flow source is a ~20 … Continue reading

Posted in Reports | Tagged , , , | Comments Off

THEMIS: Debris flow

THEMIS Image of the Day, April 14, 2015. This VIS image shows downslope movement of material from the hill at the top of the image. Linear ridges and channels are visible on the surface to the debris flow deposit. More … Continue reading

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

HiRISE: Gullies and viscous flow feature

Gullies and viscous flow feature in Nereidum Montes. Acquiring another picture at a different angle will help to create a stereo pair, possibly then an anaglyph, which will help to measure the thickness of the deposits here. Beautiful Mars series.

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

THEMIS: Debris flow

THEMIS Image of the Day, April 8, 2015. Today’s THEMIS image was taken using the infrared camera. Bright toned material is warmer than dark toned surfaces. Material has moved downslope from the top of this hill in Promethei Terra. The … Continue reading

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

THEMIS: Moreux Crater false color

THEMIS Image of the Day, March 16, 2015. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations … Continue reading

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

Very recent debris flow activity on Mars

Planetary Geomorphology Image of the Month, October 2014: Andreas Johnsson (University of Gothenburg, Sweden). The question whether Martian gullies formed by fluvial processes or by dry mass wasting have been a source of heated debate ever since their discovery (Malin … Continue reading

Posted in Reports | Tagged , , | Comments Off