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History of the World: precambrian to now+250m

  • 27-07-2009 11:18pm
    #1
    JuliusCaesar
    Registered Users, Registered Users 2 Posts: 4,885 ✭✭✭


    Found this site and thought it was wonderful. A geological history atlas of the world with projections for the future.

    http://www.scotese.com/earth.htm

    Yous all probably know about it.......:o

    (Feel free to correct my phraseology! Didn't know what else to call it)


Comments

  • #2
    marco_polo
    Moderators, Science, Health & Environment Moderators Posts: 10,088 Mod ✭✭✭✭marco_polo


    Cheers for that, Found this site once and then forgot its existance :), it is a nice informative little site alright.

    Its wierd to think that two parts of Ireland were a couple of thousand miles apart in the Ordovician. The sunny south east wasn't so sunny back then (See Avalonia in map :)). Cant find Scotland or Donegal and the NW but but they would have been somewhere near the equator as part of Laurentia.

    Toasty warm :cool:


  • #3
    JuliusCaesar
    Registered Users, Registered Users 2 Posts: 4,885 ✭✭✭JuliusCaesar


    My geology is a little (cough!) rusty, but I remember being in Central Park in New York and saying, jeez, this is just like Connemara. And someone said to me that well, that's cos they were joined at one stage, and the other half of Ireland was linked to what became Europe.

    It's gas to see that the world the dinosaurs knew is so different to the one we know....this should be in all kid's dinosaur books! (the source of all my knowledge....)


  • #4
    marco_polo
    Moderators, Science, Health & Environment Moderators Posts: 10,088 Mod ✭✭✭✭marco_polo


    There is a more detailed description of when Ireland was soldered together here.

    http://en.wikipedia.org/wiki/Caledonian_orogeny

    Apparently exposed rocks in Central Park are even older from this time period
    http://en.wikipedia.org/wiki/Grenville_orogeny

    (And not a geologist but there must certainly be similar precambrian rocks from that era located in the the NW of Ireland, Canada, Newfoundland and Scotland )


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