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Matuyama
Matuyama A reversed polarity chron at the end of the Pliocene and the beginning of the Pleistocene. It is preceded by the Gauss and followed by the Brunhes normal-polarity chrons, and is radiometrically dated as occurring between 2.60 and 0.78 Ma. The Matuyama contains at least three normal polarity subchrons: Réunion, Olduvai, and Jaramillo.
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AILSA ALLABY and MICHAEL ALLABY. "Matuyama." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "Matuyama." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O13-Matuyama.html AILSA ALLABY and MICHAEL ALLABY. "Matuyama." A Dictionary of Earth Sciences. 1999. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Matuyama.html |
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Matuyama
Matuyama The penultimate chron; during most of it the prevailing magnetization was reversed (i.e. the magnetic north and south poles were reversed from their present orientation). It lasted, with a few subchrons of normal polarity, from 2.4 to 0.71 Ma ago.
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Cite this article
MICHAEL ALLABY. "Matuyama." A Dictionary of Zoology. 1999. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "Matuyama." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O8-Matuyama.html MICHAEL ALLABY. "Matuyama." A Dictionary of Zoology. 1999. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Matuyama.html |
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