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authIdHal_s : regis-doucelance

Isotope evidences for the origin of Cape Verde oceanic carbonatites

R. Doucelance , J. Mata , M. Moreira , L.C. Silva
Goldschmidt, Aug 2007, Cologne, Germany. 71, pp.A233-A233, 2007, ⟨10.1016/j.gca.2007.06.014⟩
Conference poster hal-00311160v1

Os isotope systematics in Fogo Island: Evidence for lower continental crust fragments under the Cape Verde Southern Islands

Stéphane Escrig , Régis Doucelance , Manuel Moreira , Claude Jean Allègre
Chemical Geology, 2005, 219 (1-4), pp.93 - 113. ⟨10.1016/j.chemgeo.2005.02.011⟩
Journal articles istex hal-01901805v1

What coupled cerium and neodymium isotopes tell us about the deep source of oceanic carbonatites

Régis Doucelance , Nina Bellot , Maud Boyet , Tahar Hammouda , Chantal Bosq
Earth and Planetary Science Letters, 2014, 407, pp.175-186. ⟨10.1016/j.epsl.2014.09.042⟩
Journal articles hal-01134266v1

Cerium isotope systematics of oceanic carbonatites

Régis Doucelance , Nina Bellot , Maud Boyet , Tahar Hammouda
Goldschmidt Conference, Aug 2013, Florence, Italy
Conference poster hal-02570326v1

The La-Ce Isotope Systematics in Gough Island Lavas: New Constraints on the Origin of the EM1 Component

Maud Boyet , Régis Doucelance , Claudine Israel , Pierre Bonnand , Delphine Auclair , et al.
Goldschmidt, Aug 2019, Barcelone, Spain.
Conference poster hal-02403954v1

Mineral-whole rock isotope fidelity? A comparative study of Hf-Nd-O from high Ba-Sr granites.

Emilie Bruand , Craig D Storey , Mike Fowler , Bruno Dhuime , Régis Doucelance
Goldschmidt Hawaii, Jul 2022, Hawaii, United States. ⟨10.46427/gold2022.11423⟩
Conference papers insu-03851208v1

Experimental study of trace element partitioning between enstatite and melt in enstatite chondrites at low oxygen fugacities and 5 GPa

Camille Cartier , Tahar Hammouda , Régis Doucelance , Maud Boyet , Jean-Luc Devidal , et al.
Geochimica et Cosmochimica Acta, 2014, 130, pp.167-187. ⟨10.1016/j.gca.2014.01.002⟩
Journal articles hal-01068155v1
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In-situ determination of Nd isotope ratios in apatite by LA-MC-ICPMS: Challenges and limitations

Régis Doucelance , Emilie Bruand , Simon Matte , Chantal Bosq , Delphine Auclair , et al.
Chemical Geology, 2020, 550, pp.119740. ⟨10.1016/j.chemgeo.2020.119740⟩
Journal articles hal-02880485v1
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Origin of negative Cerium anomalies in subduction-related volcanic samples: constraints from Ce and Nd isotopes

Nina Bellot , Maud Boyet , Régis Doucelance , Pierre Bonnand , Ivan Savov , et al.
Chemical Geology, 2018, 500, pp.46-63. ⟨10.1016/j.chemgeo.2018.09.006⟩
Journal articles hal-02110867v1
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Radiogenic and stable Ce isotope measurements by 1 thermal ionisation mass spectrometry

P. Bonnand , C. Israel , Maud Boyet , R. Doucelance , Delphine Auclair
Journal of Analytical Atomic Spectrometry, 2019, 34 (3), pp.504-516. ⟨10.1039/c8ja00362a⟩
Journal articles hal-02110895v1

In-situ determination of Nd isotope ratios in apatite

R. Doucelance , Emilie Bruand , S Matte , C Bosq , Delphine Auclair , et al.
Goldschmidt 2019, Aug 2019, Barcelona, Spain
Conference poster hal-02376576v1

Further investigations on optimized tail correction and high-precision measurement of uranium isotopic ratios using multi-collector ICP-MS

Pierre Deschamps , Régis Doucelance , Bassam Ghaleb , Jean-Luc Michelot
Chemical Geology, 2003, 201 (1-2), pp.141 - 160. ⟨10.1016/S0009-2541(03)00226-2⟩
Journal articles istex hal-01902491v1

Radiogenic isotope investigation of the St-Robert H5 fall

André Poirier , Régis Doucelance , Clément Gariépy
Meteoritics and Planetary Science, 2004, 39 (12), pp.1983-1993
Journal articles hal-01902592v1

Geochemical constraints on depth of origin of oceanic carbonatites: The Cape Verde case

Régis Doucelance , Tahar Hammouda , Manuel Moreira , Joao C. Martins
Geochimica et Cosmochimica Acta, 2010, 74, pp.7261-7282. ⟨10.1016/j.gca.2010.09.024⟩
Journal articles istex hal-00538445v1

Reconsidering the origins of isotopic variations in Ocean Island Basalts: Insights from fine-scale study of Sao Jorge Island, Azores archipelago

Marc-Alban Millet , Régis Doucelance , Joel A. Baker , Pierre Schiano
Chemical Geology, 2009, 265, pp.289-302. ⟨10.1016/j.chemgeo.2009.04.005⟩
Journal articles istex hal-00453254v1

Quaternary extrusive calciocarbonatite volcanism on Brava Island (Cape Verde): A nephelinite-carbonatite immiscibility product

C. Mourão , J. Mata , Régis Doucelance , J. Madeira , António Brum da Silveira , et al.
Journal of African Earth Sciences, 2010, 56, pp.59-74. ⟨10.1016/j.jafrearsci.2009.06.003⟩
Journal articles istex hal-00471588v1

Contrasting petrogenesis of Mg–K and Fe–K granitoids and implications for post-collisional magmatism: Case study from the Late-Archean Matok pluton (Pietersburg block, South Africa)

Oscar Laurent , M. Rapopo , G. Stevens , J.F. Moyen , H. Martin , et al.
Lithos, 2014, 196-197, pp.131-149. ⟨10.1016/j.lithos.2014.03.006⟩
Journal articles hal-02934763v1
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New Constraints on the Origin of the EM‐1 Component Revealed by the Measurement of the La‐Ce Isotope Systematics in Gough Island Lavas

M. Boyet , R. Doucelance , C. Israel , P. Bonnand , Delphine Auclair , et al.
Geochemistry, Geophysics, Geosystems, 2019, ⟨10.1029/2019GC008228⟩
Journal articles hal-02156044v1
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234U/238U Disequilibrium along stylolitic discontinuities in deep Mesozoic limestone formations of the Eastern Paris basin: evidence for discrete uranium mobility over the last 1–2 million years

P. Deschamps , C. Hillaire-Marcel , J.-L. Michelot , R. Doucelance , Bassam Ghaleb , et al.
Hydrology and Earth System Sciences Discussions, 2004, 8 (1), pp.35-46
Journal articles hal-00330850v1

LA-ICP-MS dating of zircons from Meso- and Neoarchean granitoids of the Pietersburg block (South Africa): Crustal evolution at the northern margin of the Kaapvaal craton

Oscar Laurent , Jean-Louis Paquette , Hervé Martin , Régis Doucelance , Jean-François Moyen
Precambrian Research, 2013, 230, pp.209-226. ⟨10.1016/j.precamres.2013.02.009⟩
Journal articles hal-00996833v1

Geochemical component relationships in MORB from the Mid-Atlantic Ridge, 22-35°N

Vinciane Debaille , Janne Blichert-Toft , Arnaud Agranier , Régis Doucelance , Pierre Schiano , et al.
Earth and Planetary Science Letters, 2006, 241, pp.844 - 862. ⟨10.1016/j.epsl.2005.11.004⟩
Journal articles istex hal-00094294v1

138La-138Ce and 147Sm-143Nd isotope composition of the main silicate reservoirs and implications forthe rare earth elements pattern of the Bulk Silicate Earth

Claudine Israel , Maud Boyet , Régis Doucelance , Pierre Bonnand , P. Frossard , et al.
Goldschmidt 2019, Aug 2019, Barcelone, Spain
Conference papers hal-02526214v1
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Université Blaise Pascal, Clermont-Ferrand, Ecole Doctorale des Sciences Fondamentales N° d'ordre : 433

Régis Doucelance
Géochimie. Université Blaise Pascal, Clermont-Ferrand, 2016
Habilitation à diriger des recherches tel-03619981v1
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Exploring the links between volcano flank collapse and the magmatic evolution of an ocean island volcano: Fogo, Cape Verde

Mélodie-Neige Cornu , Raphael Paris , Régis Doucelance , Patrick Bachèlery , Chantal Bosq , et al.
Scientific Reports, 2021, 11 (1), ⟨10.1038/s41598-021-96897-1⟩
Journal articles hal-03335357v1
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First characterization of the volcanism in the southern Mozambique Channel: Geomorphological and structural analyses

Carole Berthod , Patrick Bachèlery , S.J. J Jorry , M. Pitel-Roudaut , Gilles Ruffet , et al.
Marine Geology, 2022, 445, pp.106755. ⟨10.1016/j.margeo.2022.106755⟩
Journal articles insu-03582346v1

Differentiation of the late-Archaean sanukitoid series and some implications for crustal growth: Insights from geochemical modelling on the Bulai pluton, Central Limpopo Belt, South Africa

Oscar Laurent , Régis Doucelance , Hervé Martin , Jean-François Moyen
Precambrian Research, 2013, 227, pp.186-203. ⟨10.1016/j.precamres.2012.07.004⟩
Journal articles hal-00993406v1
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The influence of igneous processes on the chromium isotopic compositions of Ocean Island basalts

P. Bonnand , R. Doucelance , M. Boyet , P. Bachèlery , C. Bosq , et al.
Earth and Planetary Science Letters, 2020, 532, pp.116028. ⟨10.1016/j.epsl.2019.116028⟩
Journal articles hal-02437951v1

Temporal evolution of the Cabo Verde archipelago: new constraints from 40Ar-39Ar data

Valérie Bosse , R. Doucelance , M. Fornari , J. Mata
17th Annual V.M. Goldschmidt Conference, Aug 2007, Cologne, Germany. 71 (15, suppl. 1), pp.A48-A138, 2007
Conference poster hal-00468080v1
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Formation of the Ce-Nd mantle array: crustal extraction vs. recycling by subduction

Claudine Israel , M. Boyet , R. Doucelance , P. Bonnand , P. Frossard , et al.
Earth and Planetary Science Letters, 2020, 530, pp.115941. ⟨10.1016/j.epsl.2019.115941⟩
Journal articles hal-02409422v1

Further Helium isotopic evidence for a lower mantle contribution to the Cape Verde plume

C. Mourão , J. Mata , M. Moreira , R. Doucelance , J. Madeira
Goldschmidt, Aug 2007, Cologne, Germany. 71 (15), pp.A691-A691, 2007, ⟨10.1016/j.gca.2007.06.021⟩
Conference poster istex hal-00312061v1