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Tag Archives: polyhydrated sulfates
Layered-sulfates’ history in NE Syrtis Major
[Editor’s note: From a paper by Daven Quinn and Bethany Ehlmann recently published in the Journal of Geophysical Research.] The Deposition and Alteration History of the Northeast Syrtis Major Layered Sulfates • The eroded stratigraphy at Northeast Syrtis Major includes … Continue reading
Posted in Reports
Tagged diagenesis, groundwater, Isidis Basin, lacustrine sediments, layered deposits, NE Syrtis Major, phyllosilicates, polyhydrated sulfates, stratigraphy, sulfates, Syrtis Major
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CRISM: Polyhydrates, sulfates, gypsum, and Fe silicates at a Sisyphi Montes dome
The Sisyphi Montes are a series of large semicircular mountains in Sisyphi Planum, a volcanic province on Mars located between the south polar terrains, Argyre, and Hellas basins. In this CRISM scene we observe polyhydrated sulfates (magenta), gypsum (blue), and … Continue reading
Posted in Reports
Tagged Compact Reconnaissance Imaging Spectrometer for Mars, CRISM, domes, gypsum, iron silicates, Mars Reconnaissance Orbiter, MRO, NASA, polyhydrated sulfates, Sisyphi Montes
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Mars minerology points to cold, icy ancient climate
The climate throughout Mars’ early history has long been debated – was the Red Planet warm and wet, or cold and icy? New research published in Icarus provides evidence for the latter. Mars is littered with valley networks, deltas and … Continue reading
Posted in Reports
Tagged clay minerals, climate, climate change, gypsum, iron oxides, polyhydrated sulfates, Sisyphi Montes, Sisyphi Planum, smectites, tuyas, volcanics, volcanism, zeolites
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HiRISE: Mixtures of sulfates in Melas Chasma
Many locations on Mars have sulfates, which are sedimentary rocks formed in water. Within Valles Marineris, the large canyon system that cuts across the planet, there are big and thick sequences of sulfates. In this image, layering within the light-toned … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, Melas Chasma, monohydrated sulfates, MRO, NASA, polyhydrated sulfates, sulfates, University of Arizona, Valles Marineris
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