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Tag Archives: plains
HiRISE: Plains with clay exposures
Plains with clay exposures. If at first you don’t succeed: an earlier observation we took of this area in 2016 was too hazy to study, so a re-image can get us the closer look at clay exposures we wanted. HiRISE … Continue reading
Posted in Reports
Tagged clay minerals, clays, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, plains, University of Arizona
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HiRISE: Plains with diverse lithologies
Plains with diverse lithologies. This observation was a “nadir” target, meaning our camera was pointing straight down at the surface. These pockmarked plains outside of a larger impact crater show some very nice colors. The top cutout is from our … Continue reading
Posted in Reports
Tagged Aonia Terra, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, plains, University of Arizona
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Highland landscapes point to long evolution by low-intensity intermittent erosion
[Editor’s note: From a paper by Jon Cawley and Ross Irwin recently published in the Journal of Geophysical Research.] Evolution of Escarpments, Pediments, and Plains in the Noachian Highlands of Mars • Debris-mantled escarpments, regolith pediments, sloping aggradational surfaces, and … Continue reading
Posted in Reports
Tagged erosion, escarpments, Libya Montes, Noachis Terra, pediments, plains, Southern Highlands, Terra Cimmeria
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CRISM: Hydrated minerals of Cydonia Colles
In this scene we observe the knobs within the northern lowlands (Acidalia Planitia) that are Fe/Mg phyllosilicate-bearing (pink-blue) and small, patchy exposures of hydrated silica (green) surrounding the knobs. Previously, phyllosilicates have only been found within impact craters in the … Continue reading
Posted in Reports
Tagged Acidalia Planitia, clay minerals, Compact Reconnaissance Imaging Spectrometer for Mars, CRISM, crustal dichotomy, Cydonia Colles, hydrated silica, iron-magnesium phyllosilicates, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, northern plains, phyllosilicates, plains, Southern Highlands
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THEMIS: False-color craters and plains in Terra Cimmeria
THEMIS Image of the Day, August 31, 2018. Today’s false color image shows several craters and plains of Terra Cimmeria. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, craters, false color, Mars Odyssey, NASA, plains, Terra Cimmeria, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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Many bedrock plains are clastic rocks, not lavas
The Martian surface is dominated by loose dust, sands, and rocks, but high spatial resolution imaging has permitted the detection of numerous flat-lying exposures of ancient, intact bedrock. These “bedrock plains” have previously been interpreted as lava sequences, perhaps similar … Continue reading
Posted in Reports
Tagged airfall deposits, bedrock, lava plains, plains, regolith, sedimentary debris, volcanic ash
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HiRISE: Plains north of Coprates Chasma
Plains north of Coprates Chasma. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, Coprates Chasma, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, plains, University of Arizona
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THEMIS: False colors on Terra Sirenum plains
THEMIS Image of the Day, May 25, 2017. Today’s false color image shows part of the plains and craters in Terra Sirenum. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, plains, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Plains of Terra Cimmeria in false color
THEMIS Image of the Day, May 24, 2017. Today’s false color image shows part of the plains of Terra Cimmeria. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, plains, Terra Cimmeria, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Ancient plains of Terra Sabaea
THEMIS Image of the Day, January 5, 2017. Today’s false color image shows some of the extensive plains that comprise Terra Sabaea. Note the variations in color on the plains, which likely identify different geological units. We’re seeing an ancient … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, Mars Odyssey, NASA, plains, Terra Sabaea, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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