stratigraphy: Meaning and Definition of

stra•tig•ra•phy

Pronunciation: (stru-tig'ru-fē), [key]
— n.
  1. a branch of geology dealing with the classification, nomenclature, correlation, and interpretation of stratified rocks.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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