1. n. []

The study and correlation of strata to elucidate Earth history on the basis of their lithology, or the nature of the well log response, mineral content, grain size, texture, and color of rocks.

See related terms: chronostratigraphic chart,  chronostratigraphy,  correlate,  cross section,  formation,  geologic time scale,  lithostratigraphic,  stratigraphy