Tag Archives: Valles Marineris

HiRISE: Plains south of Valles Marineris

This enhanced-color sample reveals the incredible diversity of landforms on some Martian plains that appear bland and uniform at larger scales. Here we see layers, small channels suggesting water flow, craters, and indurated sand dunes. [More at link]

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THEMIS: Flat-top ridge erodes to spurs & gullies

THEMIS Image of the Day, March 23, 2017. Today’s false color image shows part of Coprates Chasma, where a flat-topped ridge is eroding from both sides into blade-like terrain with spur-and-gully topography. The THEMIS VIS camera contains 5 filters. The … Continue reading

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THEMIS: Canyon’s edge in Ganges Chasma

THEMIS Image of the Day, March 17, 2017. Today’s false color image shows part of Ganges Chasma. Dunes are visible on the floor of the canyon (bottom right corner of the full image). The THEMIS VIS camera contains 5 filters. … Continue reading

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THEMIS: Coprates Chasma in false color

THEMIS Image of the Day, February 16, 2017. Today’s false color image shows part of Coprates Chasma. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color … Continue reading

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THEMIS: Coprates Chasma, in false colors

THEMIS Image of the Day, February 9, 2017. Today’s false color image shows part of Coprates Chasma, one of the sub-canyons making up the equatorial rift system named Valles Marineris. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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HiRISE: Light-toned materials on the floor of Coprates Chasma

These enhanced-color views are part of the floor of Coprates Chasma in giant Valles Marineris. A single image area (only about 1.1 by 9 kilometers) shows a tremendous variety of rock types, as indicated by their colors and textures. These … Continue reading

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HiRISE: Hematite-rich deposits in Capri Chasma

Capri Chasma is located in the eastern portion of the Valles Marineris canyon system, the largest known canyon system in the Solar System. Deeply incised canyons such as this are excellent targets for studying the Martian crust, as the walls … Continue reading

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THEMIS: Mega-gully on edge of Valles Marineris

THEMIS Image of the Day, December 13, 2016. Today’s VIS image shows one of the mega sized gullies located on the plains just south of Ius Chasma. This gully empties from Sinai Planum into the chasma. More THEMIS Images of … Continue reading

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HiRISE: Colorful bedrock exposed by landslide

The steep walls of Valles Marineris sometimes fail, creating giant landslides. This provides a clean exposure of the underlying bedrock. This image of the north wall of Ganges Chasma reveals bedrock with diverse colors and textures, representing different geologic units. … Continue reading

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THEMIS: Canyons in the Labyrinth of Night

THEMIS Image of the Day, November 28, 2016. Today’s VIS image shows a small portion of Noctis Labyrinthus. Noctis Labyrinthus is a network of tectonic graben and collapse valleys on the western margin of Valles Marineris. More THEMIS Images of … Continue reading

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