Radiometric dating of sedimentary rocks

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The assumptions which underlie radiometric dating are covered in our radiometric dating article published here. Normally, core ages would be used as crystallization age as they are first generated and least disturbed part in zircon grains. Using relative and radiometric dating methods, geologists are able to answer the question: Apart from the detrital zircon age abundance, difference between detrital zircons crystallisation ages CA and their corresponding maximum depositional age DA can be plotted in cumulative distribution function to correlate particular tectonic regime in the past. Luminescence dating methods are not radiometric dating methods in that they do not rely on abundances of isotopes to calculate age.

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Precambrian Research.

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Sedimentary Rocks

The effect of different tectonic settings on the difference between CA and DA is illustrated in Figure 7 and summarized in Table. Combined observations of this type have led to the development of the geomagnetic polarity time scale GPTS Figure 6b. Retrieved 21 January Radiometric Dating and the Geological Time Scale: Kramers June

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