noun
- the study of rock layers and layering, especially the sequence and relative position of strata
Usage: geology
Examples
- The geologist used stratigraphy to determine the age of the fossil.
- Stratigraphy revealed that the limestone layer was older than the sandstone above it.
- Oil companies rely on stratigraphy to locate potential drilling sites.
- The canyon's stratigraphy tells the story of millions of years of geological history.
- Students learned about stratigraphy by examining rock formations in the field.
- Stratigraphy helps archaeologists understand the chronological sequence of ancient settlements.