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The top documents tagged [mesoproterozoic era]
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Precambrian Era By Erich Hartman. When It Occurred The Precambrian Era occurred from 4.6 billion years ago to 544 million years ago. It was the first
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The Proterozoic Eon CHAPTER 7. Proterozoic- Last chapter of Precambrian time The Proterozoic boundary is placed @ 2.5 By, mostly arbitrarily Essentially
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THE LESS-PRIMORDIAL EARTH The Mesoproterozoic Era (1.0-1.6 byBP) Grenville ProvinceOrogenic Belt (0.9-1.3 byBP) Contains metamorphosed sedimentary rocks,
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