A brief review of relevant decay schemes and isotope ratios is followed by a discussion of the age of the atmosphere and continents, and how the latter have grown. A consideration of chemical differentiation and mantle convection is followed by a closing summary of outstanding major problems.-R.H.
CITATION STYLE
O’Nions, R. K. (1984). Isotopic evolution of the crust and mantle. Patterns of Change in Earth Evolution. Report of the Dahlem Workshop, Berlin, 1983, 291–302. https://doi.org/10.1007/978-3-642-69317-5_17
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