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SHRED SIGNED

Survival of Hadean REmnants in a Dynamic mantle

Total Cost €

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EC-Contrib. €

0

Partnership

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 SHRED project word cloud

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

material    billions    group    mare    hotspots    answers    scales    diversity    tracing    geophysical    tectonics    geophysics    assemble    nature    size    ga    indicate    surface    consistent    constraints    structure    decades    storage    inner    stored    survive    fluid    odd    first    independently    answering    crust    billion    survival    deep    plate    time    existence    geochemical    mixes    innovative    preserved    drives    focussed    asymp    geographical    materials    remnants    modeling    origin    simulations    geochemistry    framework    erasing    questions    modern    volcanics    dimensions    particle    intraplate    isotopic    convection    volcanism    structures    explore    convecting    composition    models    evolution    seismic    shred    back    expertise    location    heterogeneities    scientists    age    plumes    physical    signatures    combination    raises    combine    entrained    sampled    observations    mixing    unravel    raised    destruction    introduces    lowermost    mantle    upwelling    relationship    dynamically    actively    imaged    latest    seismically    hadean    earth    site    tools   

Project "SHRED" data sheet

The following table provides information about the project.

Coordinator
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 

Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794
website: www.cnrs.fr

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 France [FR]
 Total cost 3˙468˙768 €
 EC max contribution 3˙468˙768 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-ADG
 Funding Scheme ERC-ADG
 Starting year 2020
 Duration (year-month-day) from 2020-01-01   to  2024-12-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) coordinator 3˙468˙768.00

Map

 Project objective

Plate tectonics drives the formation and destruction of crust and introduces surface material into the deep Earth, while mantle convection mixes materials back together, erasing their diversity. Geochemical heterogeneities in modern volcanics indicate the survival of Hadean (≈ 4.5 Ga) remnants, and their mare existence raises first-order questions: What is the nature of the material carrying the odd geochemical signatures? How can Hadean material survive in an actively convecting mantle? What are the physical properties of material that can be preserved for billions of years, and yet that can be entrained in mantle plumes? Can Hadean remnants be stored in the structures seismically imaged in the lowermost mantle? Answering these questions is the challenging aim of SHRED. I will define the location, dimensions, structure, physical nature and composition of the ‘storage site’ of old material and I will constrain the conditions necessary for the material to be sampled in hotspots. To reach the goal, I will assemble a unique group of scientists that will combine the most innovative geochemical tools with the latest physical modeling of inner Earth. I will characterize the isotopic diversity of modern intraplate volcanism and develop new geochemical tools to determine the age and size of heterogeneities in mantle plumes. These observations represent key constraints for geophysical models that will unravel, in a fluid-dynamically consistent framework, the evolution of mantle heterogeneities. Innovative simulations with particle tracing will determine the geographical origin of upwelling material and evaluate its relationship to deep seismic structures. Simulations focussed on mantle mixing will explore the physical conditions required for the survival of heterogeneities on billion-year-time-scales. This unique combination of expertise will provide answers to decades-old questions raised independently in mantle geochemistry and mantle geophysics.

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

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