Tag Archives: Valles Marineris

HiRISE: Active flows on steep slopes in Ganges Chasma

Posted on May 31, 2017 by rburnham

This image covers a steep west-facing slope in southwestern Ganges Chasma, north of the larger canyons of Valles Marineris. The spot was targeted both for the bedrock exposures and to look for active slope processes. We see two distinct flow … Continue reading →

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THEMIS: Coprates Chasma landslide

Posted on May 23, 2017 by rburnham

THEMIS Image of the Day, May 23, 2017. Today’s false color image shows part of Coprates Chasma. A gigantic landslide has slipped off the ridge crossing the image and dumped uncountable tons of rock at the bottom of the canyon. … Continue reading →

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HiRISE: Seasonal flows in Valles Marineris

Posted on May 4, 2017 by rburnham

Recurring slope lineae (RSL) are seasonal flows on warm slopes, and are especially common in central and eastern Valles Marineris. This image covers a large area full of interesting features, but the enhanced color closeup highlight some of the RSL. … Continue reading →

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HiRISE: Colorful bedrock

Posted on May 3, 2017 by rburnham

This image covers diverse surface units on the floor of eastern Coprates Chasma in eastern Valles Marineris. The bedrock has diverse minerals producing wonderful color contrasts. In over 10 years of orbiting Mars, HiRISE has acquired nearly 50,000 large images, … Continue reading →

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HiRISE: Plains south of Valles Marineris

Posted on March 29, 2017 by rburnham

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

Posted on March 23, 2017 by rburnham

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

Posted on March 17, 2017 by rburnham

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

Posted on February 16, 2017 by rburnham

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

Posted on February 9, 2017 by rburnham

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

Posted on January 5, 2017 by rburnham

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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