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Tag Archives: basaltic sand
HiRISE: The moving sands of Lobo Vallis
Bright ripples line the topography in this region, formed within a past climate. Dark dunes and sand streaks (composed of basaltic sand) have moved and filled lower areas, pushed by more recent winds from the top towards the bottom of … Continue reading
Posted in Reports
Tagged basaltic sand, dunes, High Resolution Imaging Science Experiment, HiRISE, Lobo Vallis, Mars Reconnaissance Orbiter, MRO, NASA, sand dunes, sand ripples, sand streaks, University of Arizona
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HiRISE: Mid-latitude crater with a spot in the middle
A mid-latitude crater with a spot in the middle. From orbit, the spot looks black, but we can see in the enhanced color closeup that it’s darker (basaltic?) material on top of the lighter dunes. Beautiful Mars series.
Posted in Reports
Tagged basaltic sand, Beautiful Mars, craters, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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THEMIS: Basaltic dunes and frost in north polar lowlands
THEMIS Image of the Day, September 19, 2017. Siton Undae is a large dune field located in the northern plains near Escorial Crater. Siton Undae is west of the crater and is one of three dune fields near the crater. … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, basaltic sand, defrosting, dunes, Escorial Crater, frost, Mars Odyssey, NASA, northern lowlands, northern plains, sand dunes, sand sea, sand sheet, Siton Undae, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Basaltic sands in Russell Crater dune ridge
THEMIS Image of the Day, August 11, 2017. This image shows the western part of the dune field on the floor of Russell Crater. This is a false color image of Russell crater and it’s surroundings. Sand dunes usually appear … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, basaltic sand, dunes, false color, Mars Odyssey, NASA, Noachis Terra, Russell Crater, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: The White Cliffs of ‘Rover’
This image reminds us of the rugged and open terrain of a stark shore-line, perhaps of an island nation, such as the British Isles. A close-up in enhanced color produces a striking effect, giving the impression of a cloud-covered cliff … Continue reading
Posted in Reports
Tagged basaltic sand, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, Meridiani Planum, MRO, NASA, sand dunes, sedimentary debris, sediments, sulfates, University of Arizona
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THEMIS: False color dunes in Noachis Terra
THEMIS Image of the Day, May 22, 2017. Today’s false color image shows dunes on the floor of an unnamed crater in Noachis Terra. The blue false-color tint suggests the dunes are made of basaltic sand. The THEMIS VIS camera … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, basaltic sand, dunes, Mars Odyssey, NASA, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Windblown sand in Ganges Chasma
Dark, windblown sand covers intricate sedimentary rock layers in this image from Ganges Chasma, a canyon in the Valles Marineris system. These features are at once familiar and unusual to those familiar with Earth’s beaches and deserts. Most sand dunes … Continue reading
Posted in Reports
Tagged active dunes, basaltic sand, Ganges Chasma, High Resolution Imaging Science Experiment, HiRISE, layers, Mars Reconnaissance Orbiter, MRO, NASA, sand, sand dunes, sedimentary debris, University of Arizona
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THEMIS: Matara Crater’s sand dunes
THEMIS Image of the Day, April 20, 2017. Today’s false color image shows the sand sheet with surface dune forms on the floor of Matara Crater in Noachis Terra. Blue false color suggests basaltic sand, and Matara Crater is one … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, basaltic sand, Mars Odyssey, Matara Crater, NASA, sand dunes, sand sheets, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Terra Cimmeria’s sand traps
THEMIS Image of the Day, March 10, 2017. This infrared image covers a large swath of Terra Cimmeria, including numerous craters with dunes and dune fields on their floors, as well as dunes located on the plains between craters. Dunes … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, basaltic sand, dunes, infrared, Mars Odyssey, NASA, sand dunes, Terra Cimmeria, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Sands of Gale Crater
THEMIS Image of the Day, February 15, 2017. Today’s false color image shows part of Gale Crater. Basaltic sands are dark blue in this type of false color combination. The Curiosity Rover is located in another portion of Gale Crater, … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, basaltic sand, Gale Crater, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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