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KimberliteNewApproach TERMINATED

A new approach to revealing the composition of kimberlite melts and their deep mantle source

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EC-Contrib. €

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 KimberliteNewApproach project word cloud

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

degassing    truly    pristine    excess    despite    fragments    km    pb    dominated    crustal    surface    sensitive    spinel    isotope    world    emplacement    deep    canada    constraints    content    africa    combines    near    south    exact    host    innovative    employ    sr    perovskite    deepest    overarching    ultra    examples    volatiles    mineralogy    melt    data    techniques    debated    time    carbonate    proterozoic    hotly    diamonds    ascent    designed    kimberlite    controls    olivine    spatial    altered    cretaceous    150    depths    age    contamination    rocks    composition    russia    magmatic    geochemical    stable    geochemistry    coupled    material    kimberlites    upper    200    volatile    isotopic    localities    inclusions    earth    greenland    undertaking    kimberlitic    recycled    formed    xenoliths    geological    radiogenic    minerals    parts    source    fingerprinting    entrain    global    primary    occurs    mantle    temporal    magma    cycle    melts    nd    quantifying    alteration   

Project "KimberliteNewApproach" 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]
 Project website http://www.falw.vu.nl/en/research/earth-sciences/cluster-geology-and-geochemistry/research/mantle-petrology/index.aspx
 Total cost 177˙598 €
 EC max contribution 177˙598 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2016
 Duration (year-month-day) from 2016-04-01   to  2018-03-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    STICHTING VU NL (AMSTERDAM) coordinator 177˙598.00

Map

 Project objective

The overarching aim of this project is to provide novel constraints on the composition of the Earth’s deep mantle, particularly its volatile content, by undertaking an innovative geochemical and isotopic study of the deepest formed melts on Earth: kimberlites. Kimberlite melts are derived from depths in excess of 150-200 km. They are important as the major host of diamonds and because entrain xenoliths (i.e. fragments) of upper mantle and deep crustal rocks during ascent to the surface, providing a major source of information about the geochemistry of the deep Earth. Despite their importance, the composition of primary kimberlite melts and their exact mantle source are hotly debated issues. This is due to contamination of kimberlite melts by mantle and crustal rocks during magma emplacement and near surface alteration of primary kimberlite mineralogy. To determine the composition of primary kimberlite melts, I will employ a novel approach that combines radiogenic (Sr-Nd-Pb) and stable (C-O) isotope fingerprinting of melt inclusions in kimberlitic magmatic minerals (i.e. olivine and spinel), using innovative ultra-sensitive techniques. This approach will constrain if the carbonate-dominated melt inclusions truly represent examples of pristine kimberlite magma by quantifying processes like crustal contamination and degassing that may have altered the melt composition. I will investigate kimberlites from targeted localities from different parts of the world (South Africa, Canada, Greenland, Russia) and of variable age (Proterozoic to Cretaceous) to assess if there are spatial and/or temporal controls to kimberlite composition. The melt inclusions C-O isotope data, coupled with O isotope analyses of kimberlitic olivine, spinel and perovskite, are designed to test if recycled crustal material occurs in the deep mantle source of kimberlites, which would provide important new constraints on the global cycle of volatiles through geological time.

 Publications

year authors and title journal last update
List of publications.
2016 Andrea Giuliani, Ashton Soltys, David Phillips, Vadim S. Kamenetsky, Roland Maas, Karsten Goemann, Jon D. Woodhead, Russell N. Drysdale, William L. Griffin
The final stages of kimberlite petrogenesis: Petrography, mineral chemistry, melt inclusions and Sr-C-O isotope geochemistry of the Bultfontein kimberlite (Kimberley, South Africa)
published pages: , ISSN: 0009-2541, DOI: 10.1016/j.chemgeo.2016.10.011
Chemical Geology 2019-06-13
2018 Mario Gaeta, Andrea Giuliani, Tommaso Di Rocco, Vanni Tecchiato, Cristina Perinelli, Vadim S Kamenetsky
Isotopic disequilibrium in migmatitic hornfels of the Gennargentu Igneous Complex (Sardinia, Italy) records the formation of low 87Sr/86Sr melts from a mica-rich source
published pages: , ISSN: 0022-3530, DOI: 10.1093/petrology/egy062
Journal of Petrology 2019-06-13

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The information about "KIMBERLITENEWAPPROACH" are provided by the European Opendata Portal: CORDIS opendata.

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