stratigraphy

suomi-englanti sanakirja

stratigraphy englannista suomeksi

The study of rock layers and the layering process (stratification).
(quote-book)|year=2014|author=Elizabeth Kolbert|publisher=Picador|ISBN=9781250062185|passage=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.|page=40
(quote-web)
The layering of deposits, with newer remains overlaying older ones, forming a chronology of the site.