Dictionary:Chronostratigraphy

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{{#category_index:C|chronostratigraphy}} Classification of sedimentary rock strata according to time of deposition. Seismic reflections generally indicate constant times of deposition. The study of the age of strata and their time relationships, contrasted with lithostratigraphy, which is based on the mineralogic composition and grain size. Compare lithostratigraphy and see Figure S-5.