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The Wikibook Historical Geology has a page on the topic of: Thus, as a melt undergoes fractional crystallization from a mafic to a more felsic composition, the abundance of Sm and Nd changes, as does the ratio between Sm and Nd. From Wikipedia, the free encyclopedia. Radiogenic Isotope Geology2nd ed. Log in. Acta In many cases, Sm-Nd and Rb-Sr isotope data are used together.

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Cambridge University Press.

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Presentation on theme: Why is the river Sr isotope value the highest? Please wait. Chinese Japanese Korean Vietnamese. Nature—

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