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Dictionary


ge•o•chro•nol•o•gy



Pronunciation: ( jē"ō-kru-nol'u-jē), [key]
n.
the chronology of the earth, as based on both absolute and relative methods of age determination.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

geochemistrygeochronometry

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