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ISOREE SIGNED

New insight into the origin of the Earth, its bulk composition and its early evolution

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

ISOREE project word cloud

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

history combines vast rocks events prior rare tools precisely isotopes geochemistry moon isotope mantle stable trace magmatic evolution 147sm dating concentrations systematics differentiation crustal event disciplinary experimental geochemical habitats ga life models attributed 143nd ocean surface questions terrestrial giant earth stages spectroscopy creativity instrumentation occurred 146sm age composition solar cooling bulk analysed 138la refining tackle lunar achondrites samples isoree angles caused successive regarding 142nd relationship chondrites isotopic ages constraining scenario 138ce planets radiogenic shortly mantles model innovation last asteroids

Project "ISOREE" 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]
Project website	http://lmv.uca.fr/boyet-maud/
Total cost	2˙200˙000 €
EC max contribution	2˙200˙000 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2015-CoG
Funding Scheme	ERC-COG
Starting year	2016
Duration (year-month-day)	from 2016-09-01 to 2021-08-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 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.	FR (PARIS)	coordinator	2˙200˙000.00

Map

Project objective

The main geochemical features of the mantles of terrestrial planets and asteroids can be attributed to differentiation events that occurred during or shortly after the formation of the Solar System. Numerous questions remain regarding the Earth’s bulk composition and the most likely scenario for its evolution prior to the last major differentiation event caused by a giant impact leading to the formation of the Moon. The aim of this five-year project is to evaluate the state-of-the-art models of the Earth’s early evolution with the following main objectives: (i) Defining precisely the age of the Moon’s formation, (ii) Refining the giant impact model and the Earth-Moon relationship, (iii) Dating the successive magmatic ocean stages on Earth, and (iv) Constraining the Earth mantle’s composition in terms of rare earth element concentrations. These different questions will be addressed using trace elements, radiogenic isotopic systematics (146Sm-142Nd, 147Sm-143Nd, 138La-138Ce) and stable isotopes. ISOREE is a multi-disciplinary project that combines isotope and trace element geochemistry, experimental geochemistry and spectroscopy. A large number of samples will be analysed, including terrestrial rocks with ages up to 3.8 Ga, chondrites, achondrites and lunar samples.

This proposal will provide the tools to tackle a vast topic from various angles, using new methodologies and instrumentation and promoting innovation and creativity in European research. This research program is essential to further constrain the major events that occurred very early on in the Earth’s history, such as the Earth’s cooling, its crustal growth, the surface conditions and development of potential habitats for life.

Publications

List of publications.
year	authors and title	journal	last update
2019	M. Boyet, R. Doucelance, C. Israel, P. Bonnand, D. Auclair, K. Suchorski, C. Bosq New Constraints on the Origin of the EMâ€1 Component Revealed by the Measurement of the Laâ€Ce Isotope Systematics in Gough Island Lavas published pages: , ISSN: 1525-2027, DOI: 10.1029/2019gc008228	Geochemistry, Geophysics, Geosystems	2019-10-29
2019	P. Frossard, M. Boyet, A. Bouvier, T. Hammouda, J. Monteux Evidence for anorthositic crust formed on an inner solar system planetesimal published pages: 28-32, ISSN: 2410-3403, DOI: 10.7185/geochemlet.1921	Geochemical Perspectives Letters	2019-10-29
2019	N.J. Ingrao, T. Hammouda, M. Boyet, M. Gaborieau, B.N. Moine, I. Vlastelic, M.A. Bouhifd, J.-L. Devidal, O. Mathon, D. Testemale, J.-L. Hazemann, O. Proux Rare earth element partitioning between sulphides and melt: Evidence for Yb2+ and Sm2+ in EH chondrites published pages: 182-197, ISSN: 0016-7037, DOI: 10.1016/j.gca.2019.08.036	Geochimica et Cosmochimica Acta 265	2019-10-29
2018	Marion GarÃ§on, Maud Boyet, Richard W. Carlson, Mary F. Horan, Delphine Auclair, Timothy D. Mock Factors influencing the precision and accuracy of Nd isotope measurements by thermal ionization mass spectrometry published pages: 493-514, ISSN: 0009-2541, DOI: 10.1016/j.chemgeo.2017.12.003	Chemical Geology 476	2019-06-18
2018	M. Boyet, A. Bouvier, P. Frossard, T. Hammouda, M. GarÃ§on, A. Gannoun Enstatite chondrites EL3 as building blocks for the Earth: The debate over the 146 Smâ€“ 142 Nd systematics published pages: 68-78, ISSN: 0012-821X, DOI: 10.1016/j.epsl.2018.02.004	Earth and Planetary Science Letters 488	2019-06-18
2018	Kathrin P. Schneider, J. Elis Hoffmann, Maud Boyet, Carsten MÃ¼nker, Alfred KrÃ¶ner Coexistence of enriched and modern-like 142 Nd signatures in Archean igneous rocks of the eastern Kaapvaal Craton, southern Africa published pages: 54-66, ISSN: 0012-821X, DOI: 10.1016/j.epsl.2018.01.022	Earth and Planetary Science Letters 487	2019-06-18
2018	Nina Bellot, Maud Boyet, RÃ©gis Doucelance, Pierre Bonnand, Ivan P. Savov, Terry Plank, Tim Elliott Origin of negative cerium anomalies in subduction-related volcanic samples: Constraints from Ce and Nd isotopes published pages: 46-63, ISSN: 0009-2541, DOI: 10.1016/j.chemgeo.2018.09.006	Chemical Geology 500	2019-05-27
2019	P. Bonnand, C. Israel, M. Boyet, R. Doucelance, D. Auclair Radiogenic and stable Ce isotope measurements by thermal ionisation mass spectrometry published pages: 504-516, ISSN: 0267-9477, DOI: 10.1039/c8ja00362a	Journal of Analytical Atomic Spectrometry 34/3	2019-05-27

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