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

van Heck, Hein J.; Davies, J. Huw; Elliott, Tim; Porcelli, Don

doi:10.5194/gmd-9-1399-2016

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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Jan 2017	20	9	1	30
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Apr 2025	28	19	0	47
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Jun 2025	39	13	0	52
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Nov 2025	40	22	3	65
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Jan 2026	39	37	6	82
Feb 2026	6	4	0	10

Cumulative views and downloads (calculated since 03 Nov 2015)

Month	HTML	PDF	XML	Total
Nov 2015	34	24	1	59
Dec 2015	8	14	0	22
Jan 2016	23	8	0	31
Feb 2016	20	9	2	31
Mar 2016	16	2	0	18
Apr 2016	96	28	1	125
May 2016	43	20	6	69
Jun 2016	23	15	11	49
Jul 2016	29	8	5	42
Aug 2016	17	7	1	25
Sep 2016	18	6	0	24
Oct 2016	21	7	2	30
Nov 2016	9	6	2	17
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Jan 2017	20	9	1	30
Feb 2017	17	5	3	25
Mar 2017	25	9	4	38
Apr 2017	35	13	6	54
May 2017	33	16	4	53
Jun 2017	31	8	4	43
Jul 2017	20	11	2	33
Aug 2017	7	8	1	16
Sep 2017	8	13	0	21
Oct 2017	5	13	2	20
Nov 2017	6	18	1	25
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Feb 2025	30	6	1	37
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Apr 2025	28	19	0	47
May 2025	14	13	3	30
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Aug 2025	11	17	2	30
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Oct 2025	29	26	4	59
Nov 2025	40	22	3	65
Dec 2025	15	31	1	47
Jan 2026	39	37	6	82
Feb 2026	6	4	0	10

Latest update: 09 Feb 2026

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.