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Showing 1 - 20 results of 68 for search '"Permian"', query time: 0.53s Refine Results
  1. 1
    by Schwendemann, Andrew Benjamin
    Published 2012
    ... of the Permian Period (~299 Ma), atmospheric CO2 and O2 concentrations were comparable to current day values...
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    Doctoral or Postdoctoral Thesis
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    ... ages of 476±4 and 472±5 Ma for granitic cobbles in a Permian conglomerate (La Golondrina Formation...
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    Article in Journal/Newspaper
  14. 14
    ... ages of 476±4 and 472±5 Ma for granitic cobbles in a Permian conglomerate (La Golondrina Formation...
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    Article in Journal/Newspaper
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    by Lindström, Sofie
    Published 1996
    Subjects: ...Upper Permian...
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    Article in Journal/Newspaper
  17. 17
    by Knepprath, Nichole Elizabeth
    Published 2006
    ... deposits of the Upper Buckley Formation (Upper Permian) in the Beardmore Glacier, central Transanctarctic...
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    Thesis
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