Tag Archives: lineated valley fill

Stagnant ice deposits in Terra Cimmeria

Posted on April 19, 2019 by rburnham

[Editor’s note: From a paper by Solmaz Adeli and five co-authors recently published in the Journal of Geophysical Research.] Geomorphological evidence of localized stagnant ice deposits in Terra Cimmeria, Mars • Small debris‐covered stagnant ice deposits (termed valley fill deposits … Continue reading →

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THEMIS: Hills and channels

Posted on February 10, 2016 by rburnham

THEMIS Image of the Day, February 10, 2016. Today’s image is located on the boundary between Terra Sabaea and Utopia Planitia – west of yesterday’s image location. The morphology of this region is comprised of hills, some of which have … Continue reading →

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THEMIS: Ridges

Posted on February 9, 2016 by rburnham

THEMIS Image of the Day, February 9, 2016. This VIS image shows a small portion of the boundary region between Terra Sabaea and Utopia Planitia. The ridges and valleys in this image were likely created by tectonic faulting. There is … Continue reading →

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THEMIS: Coloe Fossae

Posted on July 22, 2014 by rburnham

THEMIS Image of the Day, July 22, 2014. The channels in this VIS image are part of Coloe Fossae, a series of linear depressions on the northeast margin of Terra Sabaea. More THEMIS Images of the Day by geological topic.

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Debris aprons and valley fill hold ancient ice several hundred million years old

Posted on November 14, 2013 by rburnham

Along the edge of the crustal dichotomy, where the southern highlands step down onto the northern plains, lies a landscape of mesas, buttes, and valleys. Valleys appear choked with linear streams of debris, and on the flanks of many mesas … Continue reading →

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Latitude controlled Amazonian ice flows

Posted on May 18, 2012 by rburnham

Signs of underground ice deposited in the Amazonian period (the most recent in Martian history) are common in many places on Mars. Evidence includes tropical mountain glacier deposits, lobate debris aprons, lineated valley fill, concentric crater fill, and pedestal craters. … Continue reading →

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