stratigraphy

The study of rock strata, especially the distribution, deposition, and age of sedimentary rocks.

In geology, order and position of the stratified groups; all that part of geological science which is not specially theoretical or paleontological; general descriptive geology.

That branch of geology which treats of the arrangement and succession of strata.

The study of rock layers and the layering process (stratification).

the layering of deposits, with newer remains overlaying older ones, forming a chronology of the site.

the branch of geology that studies the arrangement and succession of strata