Tag Archives: Valles Marineris

THEMIS: Landslides in Candor Chasma

Posted on January 10, 2018 by rburnham

THEMIS Image of the Day, January 10, 2018. This image shows part of eastern Candor Chasma. At the bottom of the image is the steep cliff between the upper surface elevation and the depths of Candor Chasma. The small lobate … Continue reading →

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THEMIS: Mesa and dunes in Candor Chasma

Posted on January 9, 2018 by rburnham

THEMIS Image of the Day, January 9, 2018.  This image shows part of western Candor and the erosion of a large mesa. Layered materials are visible throughout the image. The dark material with the linear appearance in the middle of … Continue reading →

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THEMIS: Chaotic deposits in Candor Chasma

Posted on January 8, 2018 by rburnham

THEMIS Image of the Day, January 8, 2018. Candor Chasma is one of the largest canyons that make up Valles Marineris. It is approximately 810 km long (503 miles) and has is divided into two regions – eastern and western … Continue reading →

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THEMIS: Giant landslide in Melas Chasma

Posted on December 8, 2017 by rburnham

THEMIS Image of the Day, December 8, 2017. This VIS image is located along the northern side of the chasma. The linear features are on the surface of a large landslide. This region of Melas Chasma is covered by several … Continue reading →

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THEMIS: Dunes swirl across landslide rubble

Posted on December 7, 2017 by rburnham

THEMIS Image of the Day, December 7, 2017. This VIS image is located along the northern cliff face of Melas Chasma. The linear features are large landslide surfaces. A region of sand dunes is located along the change in elevation … Continue reading →

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THEMIS: Landslide rubble, hills, and layered deposits on floor of Melas Chasma

Posted on December 6, 2017 by rburnham

THEMIS Image of the Day, December 6, 2017. This VIS image is located right at the edge of the canyon with the surrounding plains – the flat area at the bottom of the image. Some small landslide deposits are visible … Continue reading →

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THEMIS: Layered deposits in Melas Chasma

Posted on December 5, 2017 by rburnham

THEMIS Image of the Day, December 5, 2017. Today’s image is just a bit further to the west of yesterday’s. Here there are no dunes, but extensive outcrops of layered material. It is possible that these layered deposits were formed … Continue reading →

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THEMIS: Dunes gather on the Melas Chasma floor

Posted on December 4, 2017 by rburnham

THEMIS Image of the Day, December 4, 2017. Today’s image contains a large region of dunes between the canyon cliff face and the large ridge of material at the mid-elevation of the canyon. Fine materials have been concentrated into the … Continue reading →

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THEMIS: Hills and landslide debris in Melas Chasma

Posted on December 1, 2017 by rburnham

THEMIS Image of the Day, December 1, 2017. Today’s image covers part of the floor of the canyon. At the top of the image is one of the many hills found on the floor in this region. The linear grooved … Continue reading →

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THEMIS: On the floor of a canyon, within a much bigger canyon

Posted on November 30, 2017 by rburnham

THEMIS Image of the Day, November 30, 2017. Today’s image of the southern section of the canyon shows a large region of sand dunes. The presence of dunes indicates wind action as the most recent geologic process modifying the canyon. … Continue reading →

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