Radiometric dating applied metamorphic rocks bring up divorce dating

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Metamorphic rocks are not always easy to date using radio-isotopes.Results obtained usually signify the "date" of the metamorphism, but they may also yield the "age" of the original volcanic (or sedimentary) rock.

Relative time can not determine the actual year a material was deposited or how long deposition lasted; it simply tell us which events came first.Radioactive elements are unstable; they breakdown spontaneously into more stable atoms over time, a process known as radioactive decay.Radioactive decay occurs at a constant rate, specific to each radioactive isotope.Geological Time | Geologic Time Scale | Plate Tectonics | Radiometric Dating | Deep Time | Geological History of New Zealand | Radiometric Dating Radiometric measurements of time Since the early twentieth century scientists have found ways to accurately measure geological time.The discovery of by the French physicist, Henri Becquerel, in 1896 paved the way of measuring absolute time.

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