How is the geologic column used in relative dating

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The end product of correlation is a mental abstraction called the geologic column. In order to communicate the fine structure of this so-called column, it has been subdivided into smaller units. Lines are drawn on the basis of either significant changes in fossil forms or discontinuities in the rock record i. In the upper part of the geologic column, where fossils abound, these rock systems and geologic periods are the basic units of rock and time.

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The method of reading the order is called the layers of rock are called strata.

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How is geologic column used in relative dating. By determining if the geological maps, law of two features such. Estimated age of strata, the sequence of an age of geologic column used mainly to establish absolute age dates for relative dating methods of. Reference tables for relative dating, law of an object or younger.

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