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Tag Archives: pyroxene
HiRISE: Possible low-calcium pyroxene outcrops
Possible low-calcium pyroxene outcrops south of Huygens Crater. Beautiful Mars series.
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Huygens Crater, Mars Reconnaissance Orbiter, MRO, NASA, pyroxene, University of Arizona
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CRISM: Low-calcium pyroxene in Nili Fossae
Although much of the excitement in exploring Mars is linked to past water, the vast majority of the planet’s crust is unaltered igneous rock. And most of that rock is basalt, the most common type of igneous rock, or some … Continue reading
Posted in Reports
Tagged Compact Reconnaissance Imaging Spectrometer for Mars, CRISM, Mars Reconnaissance Orbiter, MRO, NASA, Nili Fossae, pyroxene
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Cracks in the basement
When geological forces open a crack in bedrock, molten magma can squeeze in and widen it, after which the magma cools and hardens in place. The result is a dike, and such features let geologists delve into an outcrop’s history … Continue reading
Posted in Reports
Tagged Coprates Chasma, CRISM, dikes, HiRISE, Mars Reconnaissance Orbiter, olivine, pyroxene, Tharsis, Valles Marineris, volcanic activity
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