geochronology
/ˌdʒiːoʊkrəˈnɑːlədʒi/
noun
- The science of determining the age of rocks, fossils, and geological events using methods like radiometric dating.
- Geochronology has shown that the Earth is about 4.5 billion years old.
- Advances in geochronology help us understand the timing of ancient climate changes.
- The geologist used geochronology to date the volcanic rock layers.