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Tag Archives: mafic minerals
HiRISE: Massif beauty
Massif beauty. We have two simple objectives with this image: to fill in gaps of coverage of this area in Coprates Chasma and to look for colorful slopes of mafic materials. (“Mafic” refers to a silicate mineral or igneous rock … Continue reading
Posted in Reports
Tagged Coprates Chasma, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, mafic minerals, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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CRISM: Olivine and pyroxene in ejecta from northern plains crater
CRISM scene HRL00003BEE covers an area in close proximity to a crater in the northern plains of Mars. In this image, we see strong Fe-rich olivine (yellow) and high calcium pyroxene (HCP, blue) signatures in the ejecta near the crater … Continue reading
Posted in Reports
Tagged Compact Reconnaissance Imaging Spectrometer for Mars, crater ejecta, CRISM, mafic minerals, Mars Reconnaissance Orbiter, MRO, NASA, northern lowlands, northern plains
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HiRISE: Bedrock north of Terby Crater
This image samples the excellent bedrock exposures north of Terby Crater, which lies on the northern rim of the giant Hellas basin. An enhanced-color cutout shows a sample of this bedrock, which has a variety of colors and textures. The … Continue reading
Posted in Reports
Tagged bedrock, Hellas Basin, High Resolution Imaging Science Experiment, HiRISE, mafic minerals, Mars Reconnaissance Orbiter, MRO, NASA, Terby Crater, University of Arizona
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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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CRISM image: Mafic minerals in western Arabia Terra
The Arabia Terra region of Mars is an ancient, very heavily cratered region about 5,100 kilometers (3,170 miles) across, roughly the length of the United States! Arabia contains some of the oldest rocks on Mars. It is one of two … Continue reading
Posted in Reports
Tagged Arabia Terra, Compact Reconnaissance Imaging Spectrometer for Mars, CRISM, igneous minerals, mafic minerals, Mars Reconnaissance Orbiter, MRO, NASA, volcanics
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