Abstract
A review is made of the basis of nucleo-cosmochronologies, emphasizing the model-independent approach. The exponential model as well as recent galactic evolution models are discussed. The r-process chronometer pairs 252Th/238U, 235U/238U, 244Pu/232Th and 129I/127I are discussed in detail. The possible development of other chronometer-pairs is also discussed. In particular it is shown that the 187Re—187Os system may eventually be able to determine the mean age of the elements to higher precision than any other r-process chronometer because all of the parameters are experimentally measurable. The possibility of a p-process chronology based on 146Sm and an s-process chronology from 176Lu is also examined.
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Schramm, D.N. (1973). Nucleo-Cosmochronology. In: Cameron, A.G.W. (eds) Cosmochemistry. Astrophysics and Space Science Library, vol 40. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-2658-1_3
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