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09-Feb-2018 07:10

New dating methods are invented all the time, however, most have practical limitations.Geologic research and mapping requires the determinations of the ages and composition of rocks.A geologic map or report typically is only a summary of investigations that frequently involve the collecting and processing of hundreds of rock samples, followed by the evaluation and interpretation of data from a variety of analytical techniques.

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Uranium is present in many different rocks and minerals, usually in the form of uranium-238.

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