| 31. | Theoretically, such stable isotopes could include the radiogenic daughter products of radioactive decay, used in radiometric dating.
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| 32. | There exist many results of radiometric dating from the Bohemian Massif like zircon, muscovite or monazite ages.
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| 33. | They are obtained with different radiometric dating methods depending on the type of rock and its age.
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| 34. | By the early 20th century, radiometric dating allowed the Earth's age to be estimated at two billion years.
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| 35. | No great push to embrace radiometric dating followed, however, and the die-hards in the geological community stubbornly resisted.
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| 36. | Which radiometric dating technique is used?
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| 37. | The next major advance in understanding reversals came when techniques for radiometric dating were developed in the 1950s.
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| 38. | Subsequent radiometric dating reduced the uncertainty.
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| 39. | Radiometric dating has shown the age of the Germanic Trias is not totally corresponding with the Triassic period.
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| 40. | But a more definite age may come from radiometric dating of samples from the sediments, brought back from China.
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