Tag Archives: alunite

CRISM: Hydrated minerals in Chryse Planitia

Posted on November 1, 2017 by rburnham

The Chryse Planitia is a smooth circular plain that has a diameter of 1600 km, and has a depth of 2.5 km below its average surface altitude, making it one of Mars’s lowest regions. Chryse Planitia was a landing site … Continue reading →

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HiRISE: Prospecting from orbit

Posted on September 7, 2017 by rburnham

The combination of morphological and topographic information from stereo images, as well as compositional data from near-infrared spectroscopy has been proven to be a powerful tool for understanding the geology of Mars. Beginning with the OMEGA instrument on the European … Continue reading →

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Could Mars gypsum preserve microbes?

Posted on July 24, 2014 by rburnham

Sulfate minerals, such as calcium sulfates (gypsum), are common in areas on Mars, having been documented with data from satellites, landers, and rovers. Could these minerals also preserve the remains of ancient life, ask Kathleen Counter Benison and Francis Karmanocky III … Continue reading →

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