geochronologic
/ˌdʒiːoʊˌkrɒnəˈlɒdʒɪk/
adjective
- Relating to the science of determining the age of rocks, fossils, and geological events using methods such as radiometric dating.
- Researchers used geochronologic techniques to date the volcanic ash layers in the ancient lake bed.
- A geochronologic scale helps scientists understand the order of major events in Earth's history.
- The geochronologic data showed that the rock formation was over 500 million years old.