Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 9, issue 4
Articles | Volume 9, issue 4
https://doi.org/10.5194/gmd-9-1399-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gmd-9-1399-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 9, issue 4
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, J. Huw Davies, Tim Elliott, and Don Porcelli

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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.
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