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Tag Archives: clay minerals
HiRISE: Prospecting from orbit
The combination of morphological and topographic information from stereo images, as well as compositional data from near-infrared spectroscopy has been proven to be a powerful tool for understanding the geology of Mars. Beginning with the OMEGA instrument on the European … Continue reading
HiRISE: Crater with possible phyllosilicates
Crater with possible phyllosilicates in the Terra Cimmeria highlands. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, clay minerals, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, Terra Cimmeria, University of Arizona
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HiRISE: The Painted Desert near Mawrth Vallis
The clay-rich terrain surrounding Mawrth Vallis is one of the most scenic regions of Mars, a future interplanetary park. Here, we cut a long, oblique view into strips to see the full color coverage in more compact form. The origin … Continue reading
Posted in Reports
Tagged clay minerals, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, Mawrth Vallis, MRO, NASA, phyllosilicates, University of Arizona
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CRISM: Evidence of aqueous alteration near Mawrth Vallis
CRISM image 21BCB covers a region on the boundary of Chryse Planita, between Mawrth Vallis and Oyama crater. Chryse Planitia is a smooth circular 1600 km diameter plain that was a landing site for the U.S Viking 1 (landed July … Continue reading
Posted in Reports
Tagged Chryse Planitia, clay minerals, Compact Reconnaissance Imaging Spectrometer for Mars, CRISM, Mars Reconnaissance Orbiter, Mawrth Vallis, MRO, NASA, Oyama Crater, phyllosilicates
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HiRISE: Clay deposits in the Southern Highlands
Clay deposits in the Southern Highlands. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, clay minerals, clays, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, Southern Highlands, University of Arizona
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HiRISE: Dragon scales of Mars
This intriguing surface texture is the result of rock interacting with water. The rock was then eroded and later exposed to the surface. The pinkish, almost dragon-like scaled texture represents Martian bedrock that has specifically altered into a clay-bearing rock. … Continue reading
Posted in Reports
Tagged bedrock, clay minerals, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, University of Arizona
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Indonesian sediments may offer clues to Mars paleolake deposits
[Editor note: text from a GSA release here.] In their GSA Bulletin article published online last week, Timothy A. Goudge and colleagues detail the clay mineralogy of sediment from Lake Towuti, Indonesia, using a technique called visible to near-infrared (VNIR) … Continue reading
Gale Crater’s rock-ingredient stew seen as plus for habitability
Editor’s note: Press conference video here. NASA’s Curiosity rover is climbing a layered Martian mountain and finding evidence of how ancient lakes and wet underground environments changed, billions of years ago, creating more diverse chemical environments that affected their favorability … Continue reading
Posted in Reports
Tagged Aeolis Mons, boron, calcium sulfates, clay minerals, Curiosity, Gale Crater, hematite, Mars Science Laboratory, mineral veins, Mount Sharp, MSL, mudstones, Murray Formation, NASA, Stimson Formation
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Opportunity: Mini-mesa in the valley
Sol 4415-16, June 25-26, 2016. This little flat-topped feature, a mini-mesa sitting on the floor of Marathon Valley with the profile of a tree-stump, is probably an erosional remnant. The Navcam composite view was taken on Sol 4415 and looks northward … Continue reading
Posted in Reports
Tagged Cape Tribulation, clay minerals, Endeavour Crater, Hinners Point, Jean-Baptiste La Jeunesse, Marathon Valley, Mars Exploration Rover, MER, NASA, Opportunity, phyllosilicates, the Mesa, the Stump
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Opportunity: York target, post-brushing
Sol 4112, June 22, 2016. Opportunity is currently in the middle of one of the clay mineral areas spotted from orbit by the CRISM spectrometer on the Mars Reconnaissance Orbiter. The target area the rover is examining is dubbed York, … Continue reading
Posted in Reports
Tagged Cape Tribulation, clay minerals, CRISM, Endeavour Crater, Marathon Valley, Mars Exploration Rover, Mars Reconnaissance Orbiter, MER, MRO, NASA, Opportunity, phyllosilicates, York
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