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Tag Archives: water-related minerals
HiRISE: The hills in Juventae Chasma
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 →
Posted in Reports
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Tagged active dunes, High Resolution Imaging Science Experiment, HiRISE, Juventae Chasma, Mars Reconnaissance Orbiter, MRO, NASA, sand sheets, sedimentary deposits, University of Arizona, volcanic minerals, water-related minerals
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HiRISE: Clays in the Eridania Basin
This colorful image shows clays within the Eridania basin region. Many scientists using orbital data have proposed that a large lake may have once existed here during the Late Noachian through Early Hesperian time periods, and then much of the … Continue reading →
Posted in Reports
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Tagged clay minerals, Eridania Basin, High Resolution Imaging Science Experiment, HiRISE, lakes, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, University of Arizona, water-related minerals
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HiRISE: Uplifted blocks of light-toned layered deposits
Aram Chaos lies within a 280 kilometer-diameter ancient impact crater in the Southern Highlands of Mars. Uplifted blocks of light-toned layers, composed largely of the iron-oxide hematite and water-altered silicates, indicate that this crater once held a lake. Scientists suggest … Continue reading →
Posted in Reports
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Tagged Aram Chaos, basaltic sand, hematite, High Resolution Imaging Science Experiment, HiRISE, layered deposits, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, water-related minerals
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HiRISE: Possible aqueous sediments in Hellas Planitia
Possible aqueous sediments in Hellas Planitia. Beautiful Mars series.
Posted in Reports
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Tagged aqueous minerals, Beautiful Mars, Hellas Planitia, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, sediments, University of Arizona, water-related minerals
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HiRISE: Oblique view of uplifted rocks
This image shows part of the central uplifted region of an impact crater more than 50 kilometers wide. That means that the bedrock has been raised from a depth of about 5 kilometers, exposing ancient materials. The warm (yellowish-reddish) colors … Continue reading →
Posted in Reports
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Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, water-related minerals
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HiRISE: The plains are not plain
This image covers some of the plains south of Capri Chasma in eastern Valles Marineris. Where the aeolian (wind-blown) sedimentary cover has been stripped away, we see diverse colors indicative of of a variety of altered minerals formed in Mars’ … Continue reading →
Posted in Reports
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Tagged aqueous minerals, dunes, High Resolution Imaging Science Experiment, HiRISE, hydrated minerals, Mars Reconnaissance Orbiter, MRO, NASA, sand dunes, University of Arizona, water-related minerals
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Ancient watery environments at Endeavour Crater
A new paper in Science from a team led by Raymond Arvidson (Washington University) and Steven Squyres (Cornell University) reports on water-related minerals found by the Mars Exploration Rover Opportunity, which reached Endeavour Crater in August 2011. The paper is … Continue reading →
Posted in Reports
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Tagged Cape York, clay minerals, Endeavour Crater, Mars Exploration Rovers, MER, Meridiani Planum, Opportunity, phyllosilicates, smectites, water-related minerals
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