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Submission + - Mars Curiosity Rover Finds Granite In Ancient Volcano (ibtimes.com) 1

minty3 writes: Granite, scientists suggest, could have formed on the Red Planet after large amounts of feldspar were discovered in an ancient volcano.

"We think some of the volcanoes on Mars were sporadically active for billions of years," James Wray, the study’s lead author, said. "It seems plausible that in a volcano you could get enough iterations of that reprocessing that you could form something like granite."

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Mars Curiosity Rover Finds Granite In Ancient Volcano

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