Tag Archives: Valles Marineris

River and lake landforms in Melas Chasma

Posted on August 30, 2018 by rburnham

[Editor’s note: From a paper by Joel Davis and five co-authors recently published in the Journal of Geophysical Research.] Episodic and Declining Fluvial Processes in Southwest Melas Chasma, Valles Marineris, Mars • Episodic fluvial processes occurred in the southwest Melas … Continue reading →

Posted in Reports | Tagged climate change, fluvial landforms, fluvial processes, lake bed sediments, Melas Chasma, open-basin lakes, paleolakes, Valles Marineris | Comments Off

THEMIS: And the rocks came tumbling down

Posted on August 1, 2018 by rburnham

THEMIS Image of the Day, August 1, 2018. This VIS image is located in central Ganges Chasma. A large landslide deposit fills the top third of the image. The radial grooves on the top of the landslide are a common … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, Ganges Chasma, landslides, Mars Odyssey, mass wasting, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris | Comments Off

THEMIS: Slide debris and layered deposits in Ophir Chasma

Posted on July 13, 2018 by rburnham

THEMIS Image of the Day, July 13, 2018. Today’s VIS image shows part of Ophir Chasma. Ophir Chasma is part of Valles Marineris, the largest canyon system on Mars. At the top of the image is a portion of a … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, Beatis Mensa, landslides, layered deposits, Mars Odyssey, NASA, Ophir Chasma, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris | Comments Off

THEMIS: Faulting and landslides in Tithonium Chasma

Posted on June 28, 2018 by rburnham

THEMIS Image of the Day, June 28, 2018. This VIS image shows the eastern edge of Tithonium Chasma, one of the large valley systems that comprise Valles Marineris. Large fractures are visible on the upper margin of the chasma. Downward … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, faulting, landslides, Mars Odyssey, mass wasting, NASA, tectonics, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Tithonium Chasma, Valles Marineris | Comments Off

THEMIS: Hebes Mensa

Posted on June 13, 2018 by rburnham

THEMIS Image of the Day, June 13, 2018. Located in the center of Hebes Chasma is a large deposit of layered material called Hebes Mensa. Extensive erosion has created gullies in the mensa and distributed fine sand size materials to … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, dunes, Hebes Chasma, Hebes Mensa, interior layered deposits, layered deposits, Mars Odyssey, NASA, sand dunes, sedimentary deposits, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris | Comments Off

HiRISE: A volcano — of mud or lava?

Posted on June 11, 2018 by rburnham

This image shows a hill with a central crater. Such features have been interpreted as both mud volcanoes (really a sedimentary structure) and as actual volcanoes (the erupting lava kind). They occur on the floor of Valles Marineris below a … Continue reading →

Posted in Reports | Tagged High Resolution Imaging Science Experiment, HiRISE, lava, Mars Reconnaissance Orbiter, MRO, mud volcanos, NASA, University of Arizona, Valles Marineris, volcanos | Comments Off

THEMIS: Landslide debris and dunes in Coprates Chasma

Posted on June 8, 2018 by rburnham

THEMIS Image of the Day, June 8, 2018. Today’s VIS image shows part of the wall and floor of Coprates Chasma. Several landslide deposits are visible as well as small regions of sand dunes. More THEMIS Images of the Day … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, Coprates Chasma, dunes, landslides, Mars Odyssey, mass wasting, NASA, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris | Comments Off

THEMIS: Landslide into Coprates Catena

Posted on June 5, 2018 by rburnham

THEMIS Image of the Day, June 5, 2018. A landslide deposit is visible in this VIS image of Coprates Catena. Coprates Catena parallels the much larger Coprates Chasma; both are part of Valles Marineris. More THEMIS Images of the Day … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, Coprates Catena, Coprates Chasma, landslides, Mars Odyssey, mass wasting, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Valles Marineris | Comments Off

Mars Express: From horizon to horizon

Posted on June 1, 2018 by rburnham

Fifteen years ago, ESA’s Mars Express was launched to investigate the Red Planet. To mark this milestone comes a striking view of Mars from horizon to horizon, showcasing one of the most intriguing parts of the martian surface. On 2 … Continue reading →

Posted in Reports | Tagged Alba Mons, Ascraeus Mons, DLR, ESA, European Space Agency, FU Berlin, High Resolution Stereo Camera, HRSC, Mars Express, MEX, Noctis Labyrinthus, north polar ice cap, Olympus Mons, Pavonis Mons, Tharsis, Valles Marineris | Comments Off

HiRISE: Dunes in Nectaris Montes

Posted on May 17, 2018 by rburnham

Sand dunes in Valles Marineris can be impressive in size, with steep slopes that seem to climb and descend. An enhanced-color cutout shows some of these on the slopes of Nectaris Montes within Coprates Chasma. The brighter bedforms are inactive … Continue reading →

Posted in Reports | Tagged Coprates Chasma, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, Nectaris Montes, sand dunes, University of Arizona, Valles Marineris | Comments Off

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