Pladetektonik: Forskelle mellem versioner
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* [http://www.ucmp.berkeley.edu/geology/tectonics.html Geology : Plate Tectonics. Historien, teorien og animationer]
* [http://www.sciencedaily.com/releases/2003/08/030822074324.htm 2003-08-22, Sciencedaily: Textbook Case Of Tectonic Movement Is Wrong, Says New Study] Citat: "...sea floor near the Hawaiian Islands show evidence that the deep Earth is more unsettled than geologists have long believed...As Tarduno says, "We're all just swaying around in the mantle wind."..."
* [http://www.sciencedaily.com/releases/2008/11/081126133357.htm University of California – Los Angeles (2008, November 27). Plate Tectonics Started Over 4 Billion Years Ago, Geochemists Report. ScienceDaily. Retrieved November 28, 2008] Citat: "..."The data we are reporting are from zircons from between 4 billion and 4.2 billion years ago," Harrison said. "The evidence is indirect, but strong..."You don't have plate tectonics on a dry planet," he said..."
* [http://www.geus.dk/publications/geo-nyt-geus/gi99-3-2.htm Pladetektonik af Adam A. Garde, GEUS]
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