Mars Once Had Earth-Like Continental Crust; Curiosity Offers Evidence

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Mars Once Had Earth-Like Continental Crust; Curiosity Offers Evidence
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NASA’s Curiosity rover has offered evidence that Mars once had a continental crust that was surprisingly similar to Earth’s granitic continental crust rocks. Using its ChemCam laser instrument, Curiosity collected data about Martian rocks and beamed them back. A team of scientists from the U.S. and France analyzed 20 rocks and published findings of their study in the journal Nature GeoScience.

Scientists find something unexpected on Mars

Roger Wiens of Los Alamos National Laboratory and the lead author of the study said they saw some beautiful rocks with bright, large crystals – something that was unexpected on Mars. Scientists were expecting the rocks to reveal large samples of basalt. But these rocks were rich in silica, which indicates that Mars had a different geological history than previously believed.

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