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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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.