Tag Archives: dunes

THEMIS: Hebes Mensa

Posted on June 13, 2018 by rburnham

THEMIS Image of the Day, June 13, 2018. Located in the center of Hebes Chasma is a large deposit of layered material called Hebes Mensa. Extensive erosion has created gullies in the mensa and distributed fine sand size materials to … Continue reading →

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HiRISE: East Endeavour Crater dune field monitoring

Posted on June 11, 2018 by rburnham

East Endeavour Crater dune field monitoring. We’re monitoring to detect surface change of dunes shown to be active from past HiRISE observations. Beautiful Mars series. [More at links]

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THEMIS: Landslide debris and dunes in Coprates Chasma

Posted on June 8, 2018 by rburnham

THEMIS Image of the Day, June 8, 2018. Today’s VIS image shows part of the wall and floor of Coprates Chasma. Several landslide deposits are visible as well as small regions of sand dunes. More THEMIS Images of the Day … Continue reading →

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THEMIS: Milankovic Crater dunes

Posted on June 4, 2018 by rburnham

THEMIS Image of the Day, June 4, 2018. Milankovic Crater is located in central Arcadia Planitia. This VIS image shows small dark sand dunes on the crater floor, and larger dunes within the central crater peak/pit feature. With a diameter … Continue reading →

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HiRISE: Corduroy dunes

Posted on May 31, 2018 by rburnham

Corduroy dunes. The permanent polar cap of Mars is encircled by sand dunes and looking like pulled threads, these dunes march across a fabric of patterned ground. At this time of the Martian year they are free of the seasonal … Continue reading →

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THEMIS: Dunes and glacial deposits in Moreux Crater

Posted on May 30, 2018 by rburnham

THEMIS Image of the Day, May 30, 2018. Moreux Crater is located in the northern part of Terra Sabaea. The crater has a region of sand dunes on the crater floor, as well as features that are similar to glacial … Continue reading →

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THEMIS: Frost-free dunes in the north polar sand sea

Posted on May 25, 2018 by rburnham

THEMIS Image of the Day, May 25, 2018. This VIS image shows part of Olympia Undae, a large dune field that surrounds part of the north polar cap. At the top of the image the dunes are small and isolated. … Continue reading →

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HiRISE: Of sand, rock, and dust

Posted on May 24, 2018 by rburnham

Of sand, rock, and dust. There is some wonderful stratigraphy on display here in Meridiani Planum. Beautiful Mars series. [More at links]

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THEMIS: Polar dunes and layers of ice and dust

Posted on May 24, 2018 by rburnham

THEMIS Image of the Day, May 24, 2018. This VIS image shows the margin between the polar cap and the surrounding plains. There are dunes on the plains at the top of the image. In the upper left corner it … Continue reading →

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HiRISE: Dunes in Nectaris Montes

Posted on May 17, 2018 by rburnham

Sand dunes in Valles Marineris can be impressive in size, with steep slopes that seem to climb and descend. An enhanced-color cutout shows some of these on the slopes of Nectaris Montes within Coprates Chasma. The brighter bedforms are inactive … Continue reading →

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