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Tag Archives: hydrated minerals
CRISM: Hydrated minerals near Nili Fossae
This image shows a site near Nili Fossae, a group of long, narrow tectonic depressions called graben. Mars’ crust is mostly made up of igneous rock and mafic materials, shown here with red denoting olivine. There are also aqueously-altered minerals … Continue reading
Posted in Reports
Tagged Compact Reconnaissance Imaging Spectrometer for Mars, CRISM, hydrated minerals, Mars Reconnaissance Orbiter, MRO, NASA, Nili Fossae, phyllosilicates
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Nakhla meteorite: newly found mineral features
A new ovoid structure discovered in the Nakhla Martian meteorite is made of nanocrystalline iron-rich clay, contains a variety of minerals, and shows evidence of undergoing a past shock event from impact, with resulting melting of the permafrost and mixing … Continue reading
Posted in Reports
Tagged aqueous minerals, astrobiology, hydrated minerals, iron-rich clays, Nakhla
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CRISM: Mafic minerals in Nili Fossae
The vast majority of the planet’s crust is unaltered igneous rock although there are some occurrences of aqueously altered rocks linked to past water activity. The colors here show concentrations of different minerals common in rocks that might tell us … Continue reading
Posted in Reports
Tagged Compact Reconnaissance Imaging Spectrometer for Mars, CRISM, hydrated minerals, mafic minerals, Mars Reconnaissance Orbiter, MRO, NASA, Nili Fossae, phyllosilicates
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Mars mineral bonanza?
If you could go to only one location on Mars, where would you find the most complete assortment of known Martian minerals? A new report, with lead author Patrick Thollot (Laboratoire de Planétologie et Géodynamique, CNRS), in the Journal of … Continue reading
Posted in Reports
Tagged clay minerals, climate change, CRISM, HiRISE, HRSC, hydrated minerals, Noctis Labyrinthus, opal, phyllosilicates, silicates, sulfates, Tharsis
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