| 单词 | age dating |
| 释义 | > as lemmasage dating age dating n. a process of establishing the age of geological deposits, archaeological remains, etc., by means of scientific examination (as by isotopic dating); (also) a date ascertained by such a process. 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 the world > time > reckoning of time > chronology > [noun] > assignment to a time or dating > dating methods > date ascertained by age dating1941 carbon date1950 radiocarbon date1950 carbon–14 date1951 1941 Geogr. Rev. 31 81 Age dating will be by dynasties only, since more accurate reference is impracticable in many cases. 1963 Special Paper Geol. Soc. Amer. No. 73. 95 More than 1000 age datings on precambrian rocks of North America have been compiled. 1974 F. J. Sawkins et al. Evolving Earth iii. 65 The 40K–40Ar method has been a favorite for age dating. 1987 Amer. Jrnl. Bot. 74 1590/2 Age datings were derived from associated dinoflagellate and microfaunal assemblages. 2010 Computers & Geosci. 36 559/1 Age dating of rocks and minerals is one of the key methods for studying geological processes. < as lemmas |
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