Tag Archives: Juventae Chasma

Tectonic evolution of Juventae Chasma

Posted on May 27, 2019 by rburnham

[Editor’s note: From a paper by Ranjan Sarkar and four co-authors recently published in Icarus.] Tectonic Evolution of Juventae Chasma, Mars, and the Deformational and Depositional Structural Attributes of the Four Major Light-toned Rock Exposures Therein • Juventae Chasma is … Continue reading →

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HiRISE: Pits and depressions to the east of Juventae Chasma

Posted on April 18, 2019 by rburnham

Pits and depressions to the east of Juventae Chasma. Juventae Chasma is a large box canyon, located north of Valles Marineris in the Coprates quadrangle and cuts more than 5 kilometers into the plains of Lunae Planum. HiRISE Picture of … Continue reading →

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HiRISE: The hills in Juventae Chasma

Posted on April 3, 2019 by rburnham

This image captures some of the geologic diversity of Mars. There are hills of ancient terrains on the floor of Juventae Chasma, surrounded by younger sediments, including dark sand sheets and dunes that are likely active today. The hills are … Continue reading →

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Trace Gas Orbiter: Juventae Chasma’s layered mound

Posted on October 26, 2018 by rburnham

This striking view of layered sediments on Mars was captured by the ExoMars Trace Gas Orbiter’s Colour and Stereo Surface Imaging System, CaSSIS, on 2 October 2018. The image, which covers an area 25 x 7 km wide, focuses on a … Continue reading →

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HiRISE: Summit dunes and their sand sources

Posted on October 9, 2018 by rburnham

The ultimate origin of the sediment that forms Martian dunes has long been debated. While sand dunes on Earth are primarily sourced by quartz-bearing components of granitic continental crust, it’s often suggested that sand on Mars derives from eroded volcanic … Continue reading →

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HiRISE: Sand sea monitoring

Posted on September 18, 2018 by rburnham

Sand sea monitoring. This ocean of dunes is located within central Juventae Chasma. Beautiful Mars series. [More at links]

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THEMIS: Juventae Chasma’s rubble collection

Posted on May 1, 2018 by rburnham

THEMIS Image of the Day, May 1, 2018. This VIS image runs from northern Juventae Chasma to just short of the southern canyon wall. Illustrating the variety of landforms within the chasma, this image contains the rough canyon floor at … Continue reading →

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HiRISE: A layered mound in Juventae Chasma

Posted on February 22, 2018 by rburnham

Many of the chasmata (the plural of “chasma”) in Valles Marineris contain light-toned mounds that are distinct from the darker rocks that define the walls. The light-toned mounds, like this one in Juventae Chasma, generally contain sulfates, which are salts … Continue reading →

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HiRISE: The hills are colorful in Juventae Chasma

Posted on March 20, 2017 by rburnham

There are many hills about 1 kilometer high in Juventae Chasma, which is located north of the main Valles Marineris canyon system. The floor of the canyon is covered by a sea of sand, but the hills rise above the … Continue reading →

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HiRISE: Bedrock exposures in Juventae Chasma

Posted on March 9, 2017 by rburnham

Bedrock exposures in Juventae Chasma. Beautiful Mars series.

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