Tag Archives: Valles Marineris

HiRISE: Window into the past

The layered sedimentary deposits inside the giant canyons of Mars have puzzled scientists for decades. These light toned deposits have fine, horizontal laminations that are unlike the rugged rim rock of the Valles Marineris. Various ideas for the origin of … Continue reading

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THEMIS: Garden of Rubble in Coprates Chasma

THEMIS Image of the Day, September 29, 2017. This image is located in central Coprates Chasma. The floor of the chasma is covered by a complex deposit of material. This chaotic surface differs from most of the floor of the … Continue reading

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THEMIS: Swirled dunes at foot of Coprates canyon wall

THEMIS Image of the Day, September 28, 2017. This image is located in eastern Coprates Chasma. The image shows a relatively smooth floor, with a group of sand dune forms located against the wall of the chasma (bottom of image). … Continue reading

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THEMIS: Rough floor in Coprates Chasma

THEMIS Image of the Day, September 27, 2017. This image is located in central Coprates Chasma. The image shows multiple landslide features, which form the bright lobed shaped deposits at the bottom of the canyon cliff face (top of image). … Continue reading

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THEMIS: Badlands in Coprates Chasma

THEMIS Image of the Day, September 26, 2017. This image is located on the eastern side of Coprates Chasma, near Capri Chasma. The image shows multiple landslide features, which form lobed shaped deposits at the bottom of the canyon cliff … Continue reading

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THEMIS: Landslides and dunes in Coprates Chasma

THEMIS Image of the Day, September 25, 2017. This image is located on the eastern side of Coprates Chasma, near Capri Chasma. The image shows multiple landslide features, which form lobed shaped deposits at the bottom of the canyon cliff … Continue reading

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HiRISE: Mixtures of sulfates in Melas Chasma

Many locations on Mars have sulfates, which are sedimentary rocks formed in water. Within Valles Marineris, the large canyon system that cuts across the planet, there are big and thick sequences of sulfates. In this image, layering within the light-toned … Continue reading

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THEMIS: Western floor of Hebes Chasma

THEMIS Image of the Day, August 18, 2017. This image shows part of the western side of Hebes Chasma. The large central mesa is on the right side of the image. The smooth region in the lower left side of … Continue reading

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THEMIS: Wind erosion on Hebes Mensa

THEMIS Image of the Day, August 17, 2017. The large mesa in the center of Hebes Chasma dominates this image. The top of the mesa is at the center of the image, with the cliff faces to the top and … Continue reading

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THEMIS: Faults and gullies in Hebes Chasma

THEMIS Image of the Day, August 16, 2017. This image shows the part of the northern cliff face of Hebes Chasma at the top of the image. The linear features aligned diagonally across the top of the image are large … Continue reading

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