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Home→Categories Paleogeography

Category Archives: Paleogeography

National Museum of Natural History Geologic Time Site

Posted on April 17, 2012 by WykenSeagraveApril 17, 2012
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A useful overview of geological history, although a little inconsistent in use of some names, eg Euramerica is sometimes referred to as Laurussia, which I believe is the same thing. National Museum of Natural History Geologic Time Site. … Continue reading →

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Geologic Time: The Story of a Changing Earth

Posted on April 10, 2012 by WykenSeagraveApril 10, 2012
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The Smithsonian National Museum of Natural History has a useful introduction to geological time. Geologic Time: The Story of a Changing Earth. … Continue reading →

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Earth Began Recycling Crust 3 Billion Years Ago

Posted on March 17, 2012 by WykenSeagraveMarch 17, 2012
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The researchers found that in the first 1.5 billion years or so of the Earth’s history, the average net rate at which new continental crust formed remained high, at about 0.7 cubic miles (3 cubic kilometers) annually, enough to establish … Continue reading →

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