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Effect of spreading center on likelihood to subduct

  1. Feb 10, 2008 #1
    Let's say that two oceanic plates run into each other in a head-on collision. Pretend that one is 2000 miles from its spreading center, and the other one is 4000 miles from its spreading center. My question to you is "which one of these would subduct and why?"

    Bill in Miami
     
  2. jcsd
  3. Feb 11, 2008 #2

    matthyaouw

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    I smell homework. Think about what happens to its thickness, elevation and density as it ages and you'll get your answer. You;ll probably have to assume the one that has traveled furthest is oldest
     
  4. Feb 11, 2008 #3
    As far as I know, thickness and density increase with age and this would cause the plate to be heavier and thus subduct under the other. Does this make sense?
     
  5. Feb 12, 2008 #4

    matthyaouw

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    Yep, I'd say so :smile:
     
  6. Feb 13, 2008 #5
    Thanks a ton!
     
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