A(n) ____________ in the rock record represents a long period during which deposition ceased, erosion removed previously formed rocks, and then deposition resumed.

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     unconformity
      numerical date
      superposition
      relative date
      inclusion
asked Jun 13, 2012 in Geography by anonymous
    

1 Answer

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unconformity
answered Jun 15, 2012 by Geodude ~Top Expert~ (9,680 points)

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