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Showing 421 - 440 results of 3,204 for search '"Permian"', query time: 1.54s Refine Results
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    ...Abstract The biggest Phanerozoic mass extinctionoccurred at the Permian-Triassic boundary...
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    ...-Permian bed at Graphite Peak in Antarctica. The Ni/Fe, Co/Ni, and P/Fe ratios in metal grains; the Fe/Mg...
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    ...We investigated the kill mechanisms of the end-Permian mass extinction by analyzing patterns...
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  9. 429
    ... history occurred at the end of the Permian, coinciding with the emplacement of the Siberian large igneous...
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  10. 430
    ...We investigated the kill mechanisms of the end-Permian mass extinction by analyzing patterns...
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  11. 431
    ...Abstract The role of ocean acidification in the end-Permian mass extinction is highly controversial...
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    ... the mass extinction just before the Permian–Triassic boundary (~251.9 million years ago). However...
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  17. 437
    ... processes that occur today. Here we describe a silicified late Permian (Lopingian) glossopterid (seed fern...
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