Tag Archives: mudstones

Geology and astrobiology of McLaughlin Crater

Posted on April 10, 2019 by rburnham

[Editor’s note: From a paper by Joseph Michalski and seven co-authors recently published in the Journal of Geophysical Research.] The Geology and Astrobiology of McLaughlin Crater, Mars: An Ancient Lacustrine Basin Containing Turbidites, Mudstones, and Serpentinites • McLaughlin crater contained … Continue reading →

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Potassium-argon dating of Mojave2 sample by Curiosity finds Amazonian-age jarosite

Posted on February 7, 2018 by rburnham

On the basis of studies of impact crater densities on Mars’s surface, scientists have separated the Red Planet’s geologic history into three broad divisions, the most recent of which is the Amazonian epoch. Because of the lack of available samples … Continue reading →

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Gale Crater’s rock-ingredient stew seen as plus for habitability

Posted on December 13, 2016 by rburnham

Editor’s note: Press conference video here. NASA’s Curiosity rover is climbing a layered Martian mountain and finding evidence of how ancient lakes and wet underground environments changed, billions of years ago, creating more diverse chemical environments that affected their favorability … Continue reading →

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Curiosity: Contact at Missoula

Posted on July 24, 2015 by rburnham

Sol 1051, July 22, 2015. Released as part of the news about Curiosity’s instruments finding silica-rich rocks is this mosaic of MAHLI images of the Missoula outcrop. Pale mudstone (bottom of outcrop) meets coarser sandstone (top) in this geological contact … Continue reading →

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