Radiometric Time Scale
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Scan day: 17 February 2014 UTC
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Description: Discusses the uses of limitations of different radiometric dating techniques.
Geologic Time: Radiometric Time Scale The discovery of the natural radioactive decay of uranium in 1896 by Henry Becquerel, the French physicist, opened new vistas in science. In 1905, the British physicist Lord Rutherford--after defining the structure of the atom-- made the first clear suggestion for using radioactivity as a tool for measuring geologic time directly; shortly thereafter, in 1907, Professor B. B. Boltwood, radiochemist of Yale Uniyersity, published a list of geologic ages based on radioactivity. Although Boltwood's ages have since been revised, they did show correctly that the duration of geologic time would be measured in terms of hundreds-to-thousands of millions of years.
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| Page title: | Geologic Time: Radiometric Time Scale |
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| IP-address: | 137.227.232.150 |
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