lithostratigraphy

lithostratigraphy [lith-oh-struh-tig-ruh-fee] Word Origin noun

1. the study or character of stratified rocks based solely on their physical and petrographic features.

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 lithostratigraphy in Science lithostratigraphy [lĭth′ō-strə-tĭg′rə-fē]

1. The scientific study and categorization of rock strata based on their lithology (color, texture, and composition). Compare biostratigraphy.