Contributor USGS
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.
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.
Contributor USGS
ACTIVITY MODULE
Sixth grade, Seventh grade, Eighth grade
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