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Discussion » Questions » Science and Technology » How long is an eon in geology?
Stu Spelling Bee

How long is an eon in geology?

Posted - January 19, 2018
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Responses


  • 44231
    A billion years.
      January 19, 2018 11:53 AM MST
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  • 5835
    Three letters.
      January 19, 2018 5:02 PM MST
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  • 3684
    I don't think it has a set number of years.

    I had to look it up in my geological dictionary - first looking under "a" until I thought to look under "e" - its American spelling! It said merely a length of time comprising a number of ERAS.; and these are not equal in length either.
      January 24, 2018 1:34 PM MST
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