지층의 배열, 순서 및 지질학적 연대와의 관계를 다루는 층서학에 관한.
Relating to the order and relative position of strata and their relationship to the geological time scale or archaeological chronology.
예문:
"The stratigraphic sequence of the rock layers reveals a history of ancient volcanic activity."
"Researchers used stratigraphic analysis to determine the relative age of the fossils found in the canyon."
"A detailed stratigraphic map was created to visualize the different sediment levels across the excavation site."