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Dinosaur extinction dated to a 1000 years

  • 09-02-2013 9:42pm
    #1
    Registered Users, Registered Users 2 Posts: 714 ✭✭✭


    From the BBC

    http://www.bbc.co.uk/news/uk-scotland-glasgow-west-21379024
    Researchers from Glasgow University were part of an international team that has been investigating the demise of the dinosaur.

    By using dating techniques on rock and ash samples, they established the creatures died out about 66,038,000 years ago - give or take 11,000 years.

    so... 66,035,987 BC

    And from the paper in Science

    http://www.sciencemag.org/content/339/6120/684.full
    We suggest that the brief cold snaps in the latest Cretaceous, though not necessarily of extraordinary magnitude, were particularly stressful to a global ecosystem that was well adapted to the long-lived preceding Cretaceous hothouse climate. The Chicxulub impact then provided a decisive blow to ecosystems thus already under critical stress, and in essence pushed the global ecosystem across a threshold that triggered a planetary state shift.


Comments

  • Closed Accounts Posts: 4,024 ✭✭✭Owryan


    very mis-leading thread title :D.

    Was expecting something from the creationist movement proving evolution wrong :o


  • Registered Users, Registered Users 2 Posts: 714 ✭✭✭Ziphius


    Owryan wrote: »
    very mis-leading thread title :D.

    Was expecting something from the creationist movement proving evolution wrong :o

    :D I think 1,000 years is even too recent for a creationists (well, most of them).


  • Registered Users, Registered Users 2 Posts: 5,279 ✭✭✭Adam Khor


    That's just not right D: Are we supossed to start telling people that dinosaurs went extinct 66 million years ago? :(

    And now the Jurassic Park tagline is ruined forever...

    jurassic_park_webposter.png


  • Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,596 Mod ✭✭✭✭Capt'n Midnight


    If they could find enough overlapping chronologies of stromatolites they could work back to the exact day. Imagine a 3.5 billion year sequence


    Love the way the Danes figured out in 2008 that the ice aged ended 11,711 years earlier

    And as everyone knows it happened on July 19th


  • Registered Users, Registered Users 2 Posts: 5,279 ✭✭✭Adam Khor


    And as everyone knows it happened on July 19th

    Not everyone. Explain? :O Hope it's not some sort of joke...


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  • Registered Users, Registered Users 2 Posts: 714 ✭✭✭Ziphius


    Adam Khor wrote: »
    Not everyone. Explain? :O Hope it's not some sort of joke...

    Father Ted :D



  • Registered Users, Registered Users 2 Posts: 5,279 ✭✭✭Adam Khor


    Damn... :D


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