Extinctions: Bad Genes or Bad Luck? A nod to D. Raup (Introduction)

by David Turell , Friday, November 18, 2011, 15:50 (5100 days ago) @ David Turell

The Permian-Triassic extinction of 250 mya was the most severe. Up to 90% of all species lost (don't tell the EPA). The theory has always been a volcanic period, especially in Siberia. Now it appears to be verified:

http://blogs.scientificamerican.com/history-of-geology/2011/09/16/large-igneous-provinc...

New pinointing of the extinction:

http://www.sciencedaily.com/releases/2011/11/111117143955.htm

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Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-02-03, 23:53
- Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - xeno6696, 2011-02-07, 01:08
  - Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-02-07, 04:22
    - Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - xeno6696, 2011-02-07, 11:41
      - Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-02-07, 14:51
    - Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - dhw, 2011-02-07, 13:02
      - Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-02-07, 15:04
        Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - dhw, 2011-02-09, 12:59
        Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-02-09, 14:46
        Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - dhw, 2011-02-10, 11:31
        Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-02-10, 15:14
        Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - dhw, 2011-02-11, 08:10
        Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-09-16, 21:46
        Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-11-18, 15:50
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      - Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-02-09, 19:50
        Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - dhw, 2011-02-10, 11:34
        Extinctions: Bad Genes or Bad Luck? A nod to D. Raup - David Turell, 2011-02-10, 14:45

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Extinctions: Bad Genes or Bad Luck? A nod to D. Raup (Introduction)