Tag Archives: ASU

THEMIS: Giant landslide in Melas Chasma

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

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

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

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

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

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

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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THEMIS: Rough-textured ridge in Melas Chasma

THEMIS Image of the Day, November 29, 2017. This VIS image shows part of a large ridge of material near the south central part the canyon. The roughest looking material is the top of the ridge. Wind may also have … Continue reading

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THEMIS: Layers upon layers in Melas Chasma

THEMIS Image of the Day, November 28, 2017. This VIS image highlights the extent of layered materials within the canyon. The image is located on the mid elevations on the south side of the canyon. Melas Chasma is part of … Continue reading

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THEMIS: Layered buttes & dunes in Melas Chasma

THEMIS Image of the Day, November 27, 2017. Melas Chasma is part of the largest canyon system on Mars, Valles Marineris. At only 563 km long (349 miles) it is not the longest canyon, but it is the widest. Located … Continue reading

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