Opendata, web and dolomites


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

Total Cost €


EC-Contrib. €






Project "ISOREE" data sheet

The following table provides information about the project.


Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794

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
 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


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 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.


year authors and title journal last update
List of publications.
2019 M. Boyet, R. Doucelance, C. Israel, P. Bonnand, D. Auclair, K. Suchorski, C. Bosq
New Constraints on the Origin of the EM‐1 Component Revealed by the Measurement of the La‐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 Garçon, 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. Garçon, A. Gannoun
Enstatite chondrites EL3 as building blocks for the Earth: The debate over the 146 Sm– 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 Münker, Alfred Kröner
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, Régis 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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