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LSU Researchers Discover Minerals in Volcanic Rock that May Offer New Insights into the First 1.5 Billion Years of Earth's Evolution（图）
LSU Researchers Minerals Volcanic Rock First 1.5 Billion Years Earth's Evolution
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2017/11/23
The first 1.5 billion years of Earth’s evolution is subject to considerable uncertainty due to the lack of any significant rock record prior to four billion years ago and a very limited record until a...
Sequential Active Alteration of Rhyolitic Volcanic Rock to Endellite and a Precursor Phase of It at a Spring in Michoacan, Mexico
Sequential Active Alteration Rhyolitic Volcanic Endellite Precursor Phase
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2012/2/20
Sequential alteration of volcanic rock of rhyolitic composition to a precursor of endellite, and thence to tubular endellite, may be observed at a hot spring about 27 km north of Ciudad Hidalgo, Micho...