Articles | Volume 9, issue 4
Geosci. Model Dev., 9, 1399–1411, 2016
https://doi.org/10.5194/gmd-9-1399-2016
Geosci. Model Dev., 9, 1399–1411, 2016
https://doi.org/10.5194/gmd-9-1399-2016

Development and technical paper 14 Apr 2016

Development and technical paper | 14 Apr 2016

Global-scale modelling of melting and isotopic evolution of Earth's mantle: melting modules for TERRA

Hein J. van Heck et al.

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Cited articles

Allègre, C., Brevart, O., Dupré, B., and Minster, J.-F.: Isotopic and chemical effects produced in a continuously differentiating convecting Earth mantle, Philos. T. R. Soc. Lond., 297, 447–477, 1980.
Armstrong, R. L.: A model for the evolution of strontium and lead isotopes in a dynamic earth, Rev. Geophys., 6, 175–199, 1968.
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Baumgardner, J. R. and Frederickson, P. O.: Icosahedral discretization of the two-sphere, SIAM J. Numer. Anal., 22, 1107–1115, 1985.
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Short summary
Currently, extensive geochemical databases of surface observations exist, but satisfying explanations of underlying mantle processes are lacking. We have implemented a new way to track both bulk compositions and concentrations of trace elements in a mantle convection code. In our model, chemical fractionation happens at evolving melting zones. We compare our results to a semi-analytical theory relating observed arrays of correlated Pb isotope compositions to melting age distributions.