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Tag Archives: iron oxides
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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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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