| 单词 | radiometric dating |
| 释义 | > as lemmasradiometric dating radiometric dating n. dating that makes use of the varying relative abundances over time of radioactive parent and daughter isotopes (as in radiocarbon dating). ΘΚΠ the world > time > reckoning of time > chronology > [noun] > assignment to a time or dating > dating methods fluorine test1895 cross-dating1939 age dating1941 carbon–14 dating1950 radiocarbon dating1950 carbon dating1952 radiodating1962 radiometric dating1963 TL-dating1972 1963 Q. Jrnl. Geol. Soc. 119 137 The rocks concerned range in age from 1055 to 1700 m.y. (radiometric dating), spanning more time than the whole of the Phanerozoic. 1998 Guardian 18 Dec. i. 15/6 The fossils, together with radiometric dating, provide hard evidence of extremely warm temperatures in the Arctic. < as lemmas |
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