You searched for: “chronostratigraphy
chronostratigraphy (s) (noun) (no pl)
The study of geologic history based on the age of rock strata (layers arranged one on top of another) and their time sequences: Chronostratigraphy is the branch of stratigraphy that deals with the ages of rock strata in comparison to time.

Chronostratigraphy is a system of dividing geological time into eras, periods, epochs, and ages.

This entry is located in the following units: chrono-, chron- (page 5) grapho-, graph-, -graph, -graphy, -grapher, -graphia (page 18)