OXFORD 9000
📚 noun • entry_id 38983

stratigraphy

/stɹəˈtɪɡ.ɹəfi/
Meanings (ES + gloss)
estratigrafía
The study of rock layers and the layering process (stratification).
On Earth, we chart the history of waterways by looking at sediment that is deposited over time. We call that stratigraphy, the idea that water transports sediment and you can measu…
The study of stratigraphy was at this point in its infancy, but it was already understood that different layers of rocks had been formed during different periods.
Word forms