Best Ways to Get a Date
Sep 04, 2018
2 minutes
—Michael W. Robbins
Most geochronological dating is radioisotopic dating, so called because some elements include unstable radioactive isotopes that decay over time into “daughter” isotopes at known and constant rates. “If you know the decay rate,” Paul Renne says, “then all you need to know to calculate an age is the ratio of parent to
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