Tag Archives: glaciers

HiRISE: Possible crevassed glacier-like forms

Posted on May 12, 2016 by rburnham

Possible crevassed glacier-like forms. Beautiful Mars series.

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Mineral clues to subglacial volcanos in Sisyphi Montes

Posted on May 3, 2016 by rburnham

Volcanoes erupted beneath an ice sheet on Mars billions of years ago, far from any ice sheet on the Red Planet today, new evidence from NASA’s Mars Reconnaissance Orbiter suggests. The research about these volcanoes helps show there was extensive … Continue reading →

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HiRISE: Periglacial swirls on a valley floor

Posted on April 14, 2016 by rburnham

Wondrously, wickedly wavy. Beautiful Mars series.

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HiRISE: Crevassed glacier-like form

Posted on March 1, 2016 by rburnham

Crevassed glacier-like form in Deuteronilus Mensae. Beautiful Mars series.

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Esker and parent glacier in Phlegra Montes

Posted on February 29, 2016 by rburnham

Planetary Geomorphology Image of the Month, February 29, 2016: Colman Gallagher (University College Dublin). Eskers are sinuous ridges composed of deposits (Image 1) laid down from meltwater flowing in tunnel-like conduits beneath glaciers (Image 2). On Earth, eskers are common components … Continue reading →

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HiRISE: Dramatic shadows over a fossil glacier

Posted on February 24, 2016 by rburnham

This image was acquired near the Martian winter solstice, when the sun was low over the horizon at this location. The resulting illumination produces dramatic accentuation of subtle topography. The image is centered on a fossil glacial flow, no longer … Continue reading →

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HiRISE: Tale of two flows

Posted on January 28, 2016 by rburnham

This image was taken in one of the regions on Mars well-known for its viscous flow features (VFF), which are massive flowing deposits believed to be composed of a mixture of ice and dust similar to glaciers on Earth. In … Continue reading →

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THEMIS: Mamers Valles

Posted on December 24, 2015 by rburnham

THEMIS Image of the Say, December 24, 2015. This VIS image shows a portion of Mamers Valles. Mamers Valles is a large and complex channel system on the northern margin of Arabia Terra. More THEMIS Images of the Day by … Continue reading →

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HiRISE: Possible moraines in Deuteronilus Mensae

Posted on October 22, 2015 by rburnham

Possible moraines in Deuteronilus Mensae. A moraine is a mass of rocks and sediment carried down and deposited by a glacier, typically as ridges at its edges. Beautiful Mars series.

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THEMIS: Channels

Posted on October 21, 2015 by rburnham

THEMIS Image of the Day, October 21, 2015. Today’s VIS image shows part of a complex region of channels which dissect the margin of Arabia Terra where elevations lower into Acidalia Planitia. Material that has moved down the channels in … Continue reading →

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