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Tag Archives: clay minerals
HiRISE: Bedrock riddles of Nili Fossae
This image of the Nili Fossae region, to the west of the great Isidis basin, shows layered bedrock with many impact craters. Nili Fossae is one of the most mineralogically important sites on Mars. Remote observations by the infrared spectrometer … Continue reading
Posted in Reports
Tagged bedrock, carbonate minerals, clay minerals, dunes, High Resolution Imaging Science Experiment, HiRISE, iron oxides, Isidis Basin, Mars Reconnaissance Orbiter, MRO, NASA, Nili Fossae, sand dunes, TARs, transverse dunes, transverse eolian ridges, University of Arizona
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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: Mind your deposit
Mind your deposit. The CRISM instrument on MRO (a spectrometer) has detected clay deposits here that is a very uncommon sedimentary setting. HiRISE Picture of the Day archive. [More at links]
Posted in Reports
Tagged Arabia Terra, Arizona State University, ASU, clay minerals, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: In western Mawrth Vallis
In western Mawrth Vallis. The layered deposits here exhibit strong and diverse spectral signatures of clays. HiRISE Picture of the Day archive. [More at links]
Posted in Reports
Tagged clay minerals, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, Mawrth Vallis, MRO, NASA, phyllosilicates, University of Arizona
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HiRISE: Collapsed material on the floor of Orson Welles Crater
Collapsed material on the floor of Orson Welles Crater. This observation captures collapsed blocks of material on floor of Orson Welles Crater. Layers and the clay minerals found in this 125-kilometer crater are evidence that it once contained a lake. … Continue reading
Posted in Reports
Tagged clay minerals, crater lakes, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, layered deposits, Mars Reconnaissance Orbiter, MRO, NASA, Orson Welles Crater, University of Arizona
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Detecting carbonates on the martian surface
Was Mars warm and wet enough to support life during the planet’s first few hundred million years? Scars of ancient lakes and rivers, as well as minerals that form only when water is present, have convinced many researchers that Mars … Continue reading
Posted in Reports
Tagged aluminum phyllosilicates, carbonate minerals, clay minerals, iron-magnesium phyllosilicates, Mawrth Vallis, phyllosilicates
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HiRISE: Clay-rich terrain in the Eridania Basin
HiRISE reveals small-scale shapes that often correlate with mineral units and provides information about stratigraphy (i.e., what’s on top and relative ages). This image was acquired for co-analysis with a spectrometer instrument also on our spacecraft called CRISM (Compact Reconnaissance … Continue reading
HiRISE: Uncommon clay
Uncommon clay. There are some uncommon clays in this sedimentary plain, as first detected in low resolution by the OMEGA instrument on the Mars Express Orbiter. Note the tight cluster of impacts. This image is in the Terra Cimmeria region … Continue reading
Posted in Reports
Tagged clay minerals, crater clusters, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, Terra Cimmeria, University of Arizona
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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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HiRISE: Looking at martian salts and clays
This 3D perspective view is a composite of both HiRISE and data from CRISM, another instrument onboard MRO. This view covers a small patch of ancient Martian real estate in Terra Sirenum. CRISM collects spectral data that can be used … Continue reading
Posted in Reports
Tagged clay minerals, clays, Compact Reconnaissance Imaging Spectrometer for Mars, CRISM, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, salts, Terra Sirenum, University of Arizona
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