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Tag Archives: clays
CRISM: Clays near Mawth Vallis
Mawrth Vallis is an ancient Mars river channel (~15km wide) located along the crustal dichotomy boundary that exposes abundant light-toned layers of clay-rich rocks. Indicative of aqueous alteration, these clays may have been deposited during massive flooding events or in … Continue reading
Posted in Reports
Tagged clays, Compact Reconnaissance Imaging Spectrometer for Mars, CRISM, Mars Reconnaissance Orbiter, Mawrth Vallis, MRO, NASA, phyllosilicates
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HiRISE: A closer look at Holden Crater
Holden Crater in southern Margaritifer Terra displays a series of finely layered deposits on its floor (white and light purple in an enhanced color image). The layered deposits are especially well exposed in the southwestern section of the crater where … Continue reading
Posted in Reports
Tagged alluvial fan deposits, clays, High Resolution Imaging Science Experiment, HiRISE, Holden Crater, layered deposits, Margaritifer Terra, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, University of Arizona
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More recent clay formation on Mars?
Clays and other minerals formed when rocks are altered by water have been found in multiple locations on Mars. It’s been assumed that these minerals probably formed in the earliest Martian epoch, over 3.7 billion years ago. But a new … Continue reading
HiRISE: Clays exposed by an impact
Clays exposed by an impact in Tyrrhena Terra — Tyrrhena Terra is south of the Martian equator and immediately northeast of the giant Hellas basin. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, clays, Hellas Basin, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, Tyrrhena Terra, University of Arizona
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HiRISE: Possible phyllosilicates in a butte remnant
Possible phyllosilicates in a butte remnant. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, clay minerals, clays, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, University of Arizona
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HiRISE: Possible phyllosilicates in Nirgal Vallis
Possible phyllosilicates in Nirgal Vallis. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, clay minerals, clays, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, Nirgal Vallis, phyllosilicates, University of Arizona
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HiRISE: Clays exposed on Ladon Valles basin floor
Clays exposed along Ladon Valles basin floor. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, clays, High Resolution Imaging Science Experiment, HiRISE, Ladon Basin, Ladon Valles, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Clays along the Coprates Chasma plateau
This image shows exposures of deposits along the plateau just to the south of Coprates Chasma. Whereas Coprates Chasma and many of the other chasmata of Valles Marineris contain kilometer-thick light-toned mounds made up of… [More at link]
Posted in Reports
Tagged clays, Coprates Chasma, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, Valles Marineris
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HiRISE: Possible clays along Lorica Crater wall
Possible clays along Lorica Crater wall. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, clays, High Resolution Imaging Science Experiment, HiRISE, Lorica Crater, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, University of Arizona
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Opportunity explores aluminum-bearing site
With its solar panels their cleanest in years, NASA’s decade-old Mars Exploration Rover Opportunity is inspecting a section of crater-rim ridgeline chosen as a priority target due to evidence of a water-related mineral. Orbital observations of the site by another … Continue reading
Posted in Reports
Tagged aluminum phyllosilicates, aluminum-hydroxyl clays, clay minerals, clays, Endeavour Crater, Mars Exploration Rover, Mars Reconnaissance Orbiter, MER, montmorillonites, Murray Ridge, NASA, Opportunity, Pillinger Point, smectites, Solander Point
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