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lithostratigraphy

[lith-oh-struh-tig-ruh-fee]
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noun
  1. the study or character of stratified rocks based solely on their physical and petrographic features.
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Origin of lithostratigraphy

First recorded in 1955–60; litho- + stratigraphy
Related formslith·o·strat·i·graph·ic [lith-oh-strat-i-graf-ik] /ˌlɪθ oʊˌstræt ɪˈgræf ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

lithostratigraphy in Science

lithostratigraphy

[lĭth′ō-strə-tĭgrə-fē]
  1. The scientific study and categorization of rock strata based on their lithology (color, texture, and composition). Compare biostratigraphy.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.