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ReVolusions SIGNED

Quantifying Recycling Fluxes of Earth Surface Materials and Volatiles in Subduction Zones using Melt Inclusions

Total Cost €

EC-Contrib. €

Partnership

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ReVolusions project word cloud

Explore the words cloud of the ReVolusions project. It provides you a very rough idea of what is the project "ReVolusions" about.

transported quantify quantification continental sediments highlighting surface recycling components link volcanic volatiles isotope proportions estimates subduction precision destructive newly earth plate significantly fluxes techniques samples ground plays mantle utilises minerals deeply volatile fundamental formed pb geochemical carbon amplifier materials spectrometer unknown small technique mass former oceanic coupled melt led geodynamics pioneered gain deep boundaries flux contradictory recycled ratio exosphere turn magnitude composition tectonic nd day cycles climate integrate revolusions undertaking atmosphere crust owing sr improvement types reservoirs detector outcomes tectonics crushing individual breaking pockets inclusions exact co2 trapped oxygen returned zones multiple global precise fate back tiny

Project "ReVolusions" data sheet

The following table provides information about the project.

Coordinator	STICHTING VU Organization address address: DE BOELELAAN 1105 city: AMSTERDAM postcode: 1081 HV website: www.vu.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Netherlands [NL]
Total cost	1˙709˙240 €
EC max contribution	1˙709˙240 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2017-STG
Funding Scheme	ERC-STG
Starting year	2018
Duration (year-month-day)	from 2018-01-01 to 2022-12-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	STICHTING VU STICHTING VU Organization address address: DE BOELELAAN 1105 city: AMSTERDAM postcode: 1081 HV website: www.vu.nl contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	NL (AMSTERDAM)	coordinator	1˙709˙240.00

Map

Project objective

Plate tectonics are fundamental to the geochemical cycles that link Earth’s mantle and exosphere and in turn control the atmosphere’s composition and our climate. Currently a major unknown is the exact fate of surface materials at destructive plate-tectonic boundaries (subduction zones). Specifically, what proportions of volatiles, sediments and oceanic crust are transported into the deep mantle, or are returned, i.e. ‘recycled’ to the crust and atmosphere. Global recycling flux estimates, including carbon, are contradictory highlighting the need for a new, more precise approach to their quantification.

I propose to better quantify global recycling fluxes by a geochemical study of two types of subduction zones: continental and oceanic zones of which the former has higher volatile fluxes and plays a key role in past and present-day climate change. The proposed work utilises isotope analyses of deeply formed melt inclusions, tiny pockets of melt trapped in minerals, to directly determine what comes back up in subduction zones. Undertaking a multiple isotope study of these inclusions is now possible, owing to my recent success in significantly improving mass spectrometer detector amplifier technology that led to an order of magnitude improvement in precision for isotope analyses of small samples.

I will integrate two ground-breaking techniques to identify recycled components and determine volcanic and deep mantle fluxes: 1) coupled Sr-Nd-Pb isotope ratio analysis of individual melt inclusions using the high-gain amplifier method I pioneered; 2) carbon and oxygen isotope analysis of CO2 from melt inclusions using a newly developed crushing technique. The outcomes of ReVolusions will provide crucial understanding of how subduction geodynamics control the distribution of elements between Earth’s major reservoirs (atmosphere, crust and mantle) that affects short and long-term climate changes.

Publications

List of publications.
year	authors and title	journal	last update
2018	JANNE KOORNNEEF, IGOR NIKOGOSIAN, LISA HAGEMAN; MAXIMILIAN BERNDSEN; MANFRED VAN BERGEN, PIETER VROON, GARETH DAVIES Combined Sr-Nd-Pb isotope analyses of individual melt inclusions to reveal extreme source heterogeneity published pages: 12-13, ISSN: , DOI:	Mineral-hosted melt inhclusions - How do we read the stories they have to tell?	2019-08-30
2019	Janne M. Koornneef, Igor Nikogosian, Manfred J. van Bergen, Pieter Z. Vroon, Gareth R. Davies Ancient recycled lower crust in the mantle source of recent Italian magmatism published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-019-11072-5	Nature Communications 10/1	2019-08-30
2018	Koornneef JM, Nikogosian I, Hageman L, Berndsen M, van Bergen MJ, Vroon PZ & Davies GR Combined Sr-Nd-Pb isotope data on individual melt inclusions from Italy record extreme mantle heterogeneity induced by complex geodynamics published pages: , ISSN: , DOI:	Goldschmidt Abstracts 2018	2019-08-30

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