What does stratigraphy mean?
The branch of geology concerned with the study of rock layers and layering, especially in relation to the age and origin of the Earth's crust. It involves the analysis of the sequence of rock layers and the fossils they contain to reconstruct the Earth's history.
Example
"The geologist used stratigraphy to determine the age of the rock formation and understand the region's tectonic history."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.