Define radiogenic dating

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Prentice Hall. Figure 8. Radiometric Dating and the Geological Time Scale: Examples of Dating Methods for Igneous Rocks. There are a number of misconceptions that seem especially prevalent among Christians. Well over forty different radiometric dating methods are in use, and a number of non-radiogenic methods not even mentioned here. Amino acid racemisation Archaeomagnetic dating Dendrochronology Ice core Incremental dating Lichenometry Paleomagnetism Radiometric dating Radiocarbon Uranium—lead Potassium—argon Tephrochronology Luminescence dating Thermoluminescence dating.

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However, ESR dating can be used over longer time periods, up to two million years, and works best on carbonates, such as in coral reefs and cave deposits.

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In nearly all of the dating methods, except potassium-argon and the associated argon-argon method, there is always some amount of the daughter product already in the rock when it cools. Davis This is well-established for most isotopic systems. The geomagnetic polarity time scale was calibrated largely using K—Ar dating. Wiester, John The Genesis Connection.

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