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A geologist riddle #4

By David Bressan on Tuesday, February 15, 2011
A very strange map indeed - what was its purpose and who was the author?


And by the way -riddle me this…
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4 comments:

  1. Steph BFebruary 15, 2011 at 10:14 AM

    I'm gonna guess that these were developed by Alfred Wegener to illustrate how the continents experienced different climates as they drifted around the globe.
    But maybe these are earlier than this...

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  2. David BressanFebruary 16, 2011 at 10:15 AM

    It´s a bit tricky - I will spoil that it is (much) earlier than Wegener - the map was intended to display what happens if equvalent landareas to modern continents emerge (not move) on other latitudes...

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  3. Le NaturalisteFebruary 17, 2011 at 9:46 AM

    Hi,
    These are figures from Lyell's Principles of Geology, at least in the 1850's edition.
    Ph

    ReplyDelete
  4. David BressanFebruary 18, 2011 at 9:08 AM

    That´s correct - I choose it to illustrate the early ideas of climate change in the geologic past:

    http://www.scientificamerican.com/blog/post.cfm?id=climate-research-in-the-geological-2011-02-17

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