Auclair Delphine – Laboratoire Magmas et Volcans

Delphine Auclair

Ingénieur d'étude chimie
UCA
Pôle Technique
Bureau: 1.31 - LMV Cezeaux
Téléphone: 04.73.34.67.07
Courriel : Delphine.Auclair@uca.fr

Responsable Technique de deux spectromètres de Masse à Thermo-Ionisation :

Planifier et assurer l’entretien et la maintenance de deux spectromètres de masse à thermo-ionisation (TIMS TRITON et TIMS TRITON XT) dédiés à l’analyse isotopique (datation d’évènements géologiques, traçage de sources, …)
Gestion des planning d’utilisation des TIMS Triton & Triton XT
Analyses conventionnelles (Sr, Sm, Nd) sur Triton
Développement analytique (Ce, Sr et Nd en très faibles quantités, …) sur Triton XT dans le cadre du projet ERC ISOREE
Contrôle de la qualité des analyses et suivi des performances des des TIMS Triton & Triton XT
Optimisation des techniques d’analyses existantes
Formation et assistance aux utilisateurs (chercheurs, enseignants-chercheurs, personnel technique, doctorants) des TIMS Triton & Triton XT
Rédaction de documentation technique

Marshall E.W., Caracciolo A., Bali E., Halldórsson S.A., Matthews S., Ranta E., Rasmussen M.B., Robin J.G., Guðfinnson G.H., Maclennan J., Bosq C., Auclair D., Sigmarsson O., Gísladóttir B., Johnson S., Löw N., Stracke A., Genske F. (2024). The Petrology and Geochemistry of the 2021 Fagradalsfjall Eruption, Iceland: An Eruption Sourced From Multiple, Compositionally Diverse, Near‐Moho Sill. AGU Advances vol.5, p.e2024AV001310, - DOI:10.1029/2024AV001310 - .
Matthews S.W., Caracciolo A., Bali E., Halldórsson S., Sigmarsson O., Guðfinnsson G., Pedersen G.B.M., Gunnarsson Robin J., Marshall E.W., Aden A.A., Ýr Gísladóttir B.B., Bosq C., Auclair D., Merrill H., Levillayer N., Löw N., Hlín Rúnarsdóttir R., Johnson S.M., Steinþórsson S., Drouin D. (2024). A dynamic mid-crustal magma domain revealed by the 2023 to 2024 Sundhnúksgígar eruptions, Iceland. Science - DOI:10.1126/science.adp8778 - .
Quemet A., Lasnier G., Mialle S., Isnard H., Boyet M., Garçon M., Auclair D. (2024). Reference value of the JNdi-1 isotopic material without normalization. Journal of Analytical Atomic Spectrometry - DOI:10.1039/D4JA00140K - .

Vlastélic I., Sainlot N., Samaniego P., Bernard B., Nauret F., Hidalgo S., Auclair D., Gannoun A.M. (2023). Arc volcano activity driven by small-scale metasomatism of the magma source. Nature Geoscience vol.16, p.363-370, - DOI:10.1038/s41561-023-01143-0 - .

Cornu M.N., Paris R., Doucelance R., Bachèlery P., Bosq C., Auclair D., Benbakkar M., Gannoun A.M., Guillou H. (2021). Exploring the links between volcano flank collapse and the magmatic evolution of an ocean island volcano: Fogo, Cape Verde. Scientific Reports vol.11, p.17478, - DOI:10.1038/s41598-021-96897-1 - .

Bonnand P., Doucelance R., Boyet M., Bachèlery P., Bosq C., Auclair D., Schiano P. (2020). The influence of igneous processes on the chromium isotopic compositions of Ocean Island basalts. Earth and Planetary Science Letters vol.532, p.116028, - DOI:10.1016/j.epsl.2019.116028 - .
Doucelance R., Bruand E., Matte S., Bosq C., Auclair D., Gannoun A.M. (2020). In-situ determination of Nd isotope ratios in apatite by LA-MC-ICPMS:Challenges and limitations. Chemical Geology vol.550, p.119740, - DOI:10.1016/j.chemgeo.2020.119740 - .
Israel C., Boyet M., Doucelance R., Bonnand P., Frossard P., Auclair D., Bouvier A. (2020). Formation of the Ce-Nd mantle array: Crustal extraction vs. Recycling by subduction. Earth and Planetary Science Letters vol.530, p.115941, - DOI:10.1016/j.epsl.2019.115941 - .

Bonnand P., Israel C., Boyet M., Doucelance R., Auclair D. (2019). Radiogenic and stable Ce isotope measurements by thermal ionisation mass spectrometry. Journal of Analytical Atomic Spectrometry - DOI:10.1039/C8JA00362A.
Boyet M., Doucelance R., Israel C., Bonnand P., Auclair D., Suchorski K., Bosq C. (2019). New Constraints on the Origin of the EM‐1 Component Revealed by the Measurement of the La‐Ce Isotope Systematics in Gough Island Lavas. Geochemistry, Geophysics, Geosystems vol.20, - DOI:10.1029/2019GC008228.

Garçon M., Boyet M., Carlson R.W., Horan M.F., Auclair D., Mock T.D. (2018). Factors influencing the precision and accuracy of Nd isotope measurements by thermal ionization mass spectrometry. Chemical Geology vol.476, p.493-514, - DOI:10.1016/j.chemgeo.2017.12.003.
Vlastélic I., Di Muro A., Bachèlery P., Gurioli L., Auclair D., Gannoun A.M. (2018). Control of source fertility on the eruptive activity of Piton de la Fournaise volcano, La Réunion. Scientific Reports vol.8, p.14478, - DOI:10.1038/s41598-018-32809-0.

Bellot N., Boyet M., Doucelance R., Pin C., Chauvel C., Auclair D. (2015). Ce isotope systematics of island arc lavas from the Lesser Antilles. Geochimica et Cosmochimica Acta vol.168, p.261-279, - DOI:10.1016/j.gca.2015.07.002.

Breton T., Nauret F., Pichat S., Moine B., Moreira M., Rose-Koga E., Auclair D., Bosq C., Wavrant L.M. (2013). Geochemical heterogeneities within the Crozet hotspot: Earth and Planetary Science Letters, v. 376, p. 126-136. - DOI:10.1016/j.epsl.2013.06.020 - .

Boyet M., Doucelance R., Seghi, Julien, Auclair D., Williamson N.M.B., Weis D. (2023). Deep mantle chemical heterogeneities: new insight from the measurement of the 138La-138Ce and 146,147Sm-142,143Nd systematics in Hawaiian basalts. Goldschmidt, Lyon, France, Sept 2023, - DOI:10.7185/gold2023.17413 - .
Sigmarsson O., Gannoun A.M., Hervé-Carpentier G., Bosq C., Auclair D., Marshall E., Halldorsson S. (2023). Thorium, Sr and Nd isotope ratios in basalts from the 2021-2022 Fagradalshraun, Iceland. Goldschmidt 2023, Lyon, France, juillet, - DOI:10.7185/gold2023.19834 - .

Frossard P., Boyet M., Bouvier A., Auclair D. (2020). Deciphering Nd and Sm isotope compositionin chondrites. Goldschmidt Virtual 2020, 21-26 june.

Boyet M., Doucelance R., Israel C., Bonnand P., Auclair D., Suchorski K., Bosq C. (2019). The La-Ce Isotope Systematics in Gough Island Lavas: New Constraints on the Origin of the EM1 Component. Goldschmidt Abstracts, 2019, 365.
Doucelance R., Bruand E., Matte S., Bosq C., Auclair D., Gannoun A.M. (2019). in situ Determination of Nd Isotope Ratios in Apatite. Goldschmidt Abstracts, 2019, 843.
Israel C., Boyet M., Doucelance R., Bonnand P., Frossard P., Auclair D., Bouvier A. (2019). 138La-138Ce and 147Sm-143Nd Isotope Composition of the Main Silicate Reservoirs and Implications for the Rare Earth Elements Pattern of the Bulk Silicate Earth. Goldschmidt Abstracts, 2019, 1486.

Gannoun A.M., Auclair D. (2017). ISOTRACE. Clermont-Ferrand, 12, 13 et 14 septembre 2017.

Bellot N., Boyet M., Pin C., Chauvel C., Doucelance R., Auclair D. (2013). Development of the La-Ce systematics: application to arc magmas. in Goldschmidt, Florence. .