stratigraphic

/ˌstrætɪˈɡræfɪk/
adjective
  1. Relating to the study of rock layers (strata) and their arrangement in the Earth's crust.
    • Oil companies rely on stratigraphic analysis to find new drilling sites.
    • Stratigraphic maps show the different layers of rock beneath the surface.
    • The geologist used stratigraphic data to date the fossils.
Synonyms
What does "stratigraphic" mean? | whatsthatwordmean | whatsthatwordmean