Stratigraphical vs. Stratigraphy — What's the Difference?

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

Stratigraphy is a branch of geology concerned with the study of rock layers (strata) and layering (stratification). It is primarily used in the study of sedimentary and layered volcanic rocks.

Stratigraphic

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

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

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

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