The Numeric Time Scale outlines the development of radiometric dating and its impact of our ability to determine the absolute ages of events in Earth’s 4.6 billion-year history. The web page includes a table of the geologic time scale showing both relative and numeric (absolute) age and a table of the parents and daughter products for some isotopes commonly used to establish numeric ages of rocks.
Earth and Space Science
ACTIVITY MODULE
Sixth grade, Seventh grade, Eighth grade