Lu hf dating method in anthropology
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Chronometric Methods in Paleoanthropology | SpringerLink
Lutetium—hafnium dating is a geochronological dating method utilizing the radioactive decay system of lutetium — to hafnium — The trace concentration of the Lu and Hf in earth materials posed some technological difficulties in using Lu—Hf dating extensively in the s. Lutetium is a rare-earth element , with one naturally-occurring stable isotope Lu and one naturally-occurring radioactive isotope Lu. An age equation is set up for every radiometric dating technique to describe the mathematical relationship of the number of parent and daughter nuclide. The two isotopes, Lu and Hf, in the system are measured as ratio to the reference stable isotope of Hf. A common practice for geochronological dating is to establish an isochron plot.
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Chronometric Methods in Paleoanthropology
Rink , W. Jack, Thompson , Jeroen W. This volume provides an overview of 1 the physical and chemical foundations of dating methods and 2 the applications of dating methods in the geological sciences, biology, and archaeology, in almost articles from over international authors.
Bones and teeth are valuable archives of the life history and behavior of vertebrates. If this geochemical information is not biased by chemical alteration during fossilization, it can provide valuable insights into the paleobiology, paleoecology, and evolution of extinct vertebrates. I use different isotope systems C, O, Ca, Sr, Nd, Lu-Hf in fossil bones and teeth to infer their diet, body temperature, mobility and age.
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