Dr. Guillaume Florin
Geochemistry Group
Research Scientist
Room B219, Builduing B
12249 Berlin
Research Interests |
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Solar System formation and evolution Moon formation, devolatilization, and evolution Elemental and isotopic composition of meteorites Condensation and evolution of metal phases in the early Solar System Formation and differentiation of planetesimals Stable isotopic measurements (Ge, Zn, Cu, K) Refractory and moderately volatile and siderophile elements Guillaume Florin personal page on - Google Scholar | Research Gate |
Education |
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| 10/2016 – 06/2020 |
PhD in Cosmochemistry (in cotutelle France – Australia) Centre de Recherches Pétrographiques et Géochimiques, CRPG-CNRS, Lorraine University, France Department of Earth and Planetary Sciences, Macquarie University, Australia Title: FeNi metal condensation and evolution in the Early Solar System: a study of germanium isotopes and siderophile elements in Ordinary and Bencubbinite primitive chondrites. |
| 09/2013 – 06/2015 | Master of Sciences – Economic geology First year: Observatory of Sciences of the Universe (OSUC), France Second year: University of Quebec in Montréal (UQAM), Canada |
| 09/2009 – 06/2013 | Licence’s degree – “Science of Earth, Universe and Environment” Université Pierre et Marie Curie (UPMC), Paris, France – Valedictorian (1/80) |
Professional Experience |
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| 11/2021 – Present |
Research Scientist – Geochemist at Freie Universität Berlin |
| 05/2020 – 10/2021 |
Research Associate - TerraneChron®, Data and Geochemical Development Scientist – Department of Earth and Planetary Sciences, Macquarie University, Australia Data management: Organize laboratory data collections and samples documentation to incorporate them within the “AuScope data sets”. |
| 02/2015 – 07/2015 | MSc project – University of Quebec in Montreal, Canada Title: Geochemistry and petrology of golden deposits in New Alger (Abitibi, QC) associated to crust / mantle processes Supervisor: Prof. Michel Jébrak in collaboration with Renforth Ressources Inc. |
| 10/2014 – 12/2014 |
Research project – University of Quebec in Montreal, Canada Title: Geochemistry and petrology of apatite associated to gold deposits |
| 04/2014 – 05/2014 | Master’s degree research internship – Observatory of Sciences of the Universe, France Title: Characterisation of the boudinage during eclogite and blue shist exhumation in Syros (Cyclade, Greece): from ductile to brittle. Supervisor: Prof. Laurent Jolivet |
Teaching |
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| 12/2017 - 12/2017 | Assistant teacher – ENSG, Nancy, France, Field school: Cartography, Sedimentology, Geodynamic. |
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12/2017 - 12/2017 |
Tutorial assistant teacher – ENSG, Nancy, France, Courses: Rock preparation and mineral recognition, including milling, segregation by density, XFR, SEM |
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09/2017 - 11/2017 |
Master’s student co-supervisor - CRPG–CNRS, Nancy France, Project: Characterization of metal formation in L chondrites by germanium isotopic analysis, Teaching: Ge separation using ionic resins, elemental and isotopic analysis by (MC-)ICP-MS |
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06/2016 - 06/2016 |
Assistant teacher – (ENSG), Nancy, France. Field school: Cartography, Sedimentology, Geodynamic. |
List of publications
Florin, G., Alard, O., Luais, B., Rushmer, T. (2023) Abundances of siderophile elements in H-chondrite metal grains: Implications for the origin of metal in unequilibrated ordinary chondrites, Geochimica et Cosmochimica Acta,341, pp 1-15. DOI: 10.1016/j.gca.2022.11.014.
Florin, G., Alard, O., Luais, B., & Rushmer, T. Origin of metal in H ordinary chondrites: Partial melting of precursors infers by siderophile elements. To be submitted to Earth Planet. Sci. Lett.
Boone, S., Dalton, H., Prent, A., Kohlmann, F., Theile, M., Greau, Y., Florin, G., Noble, W., Hodgekiss, S., Ware, B., Phillips, D., Kohn, B., O'Reilly, S., Gleadow, A., McInnes, B., & Rawling, T. (2022): AusGeochem: An open interactive platform for geochemical data preservation, dissemination and synthesis. Geostandards and Geoanalytical Research. DOI: 10.1111/ggr.12419
Florin, G., Luais, B., Alard, O., & Rushmer, T. (2021): The formation of CB chondrites: inferences from germanium isotopes and highly siderophile element abundances. Meteoritics & Planetary Science. DOI: 10.1111/maps.13698
Florin, G. (2020): FeNi metal condensation and evolution in the Early Solar System: a study of germanium isotopes and siderophile elements in Ordinary and Bencubbinite primitive chondrites. Earth Sciences. Université de Lorraine; Macquarie university (Sydney, Australie). English. PhD ⟨NNT : 2020LORR0084⟩.
Vacher, L. G., Piani, L., Rigaudier, T., Thomassin, D., Florin, G., Piralla, M., & Marrocchi, Y. (2020): Hydrogen in chondrites: Influence of parent body alteration and atmospheric contamination on primordial components. Geochimica et Cosmochimica Acta, 281, 53-66. DOI: 10.1016/j.gca.2020.05.007
Florin, G., Luais, B., Rushmer, T., & Alard, O. (2020) Influence of redox processes on the germanium isotopic composition of ordinary chondrites, Geochimica et Cosmochimica Acta, 269, 270-291. DOI: 10.1016/j.gca.2019.10.038
Scientific communications
Florin G., Alard O., Luais B., Rushmer T. (2021): Is Fe-Ni alloy in Ordinary Chondrites formed by precursors partial melting? Goldschmidt Abstracts, 2021, 4360. Flash talk
Florin G., Alard O., Luais B. and Rushmer T. (2019): Metal formation in Ordinary chondrites. Goldschmidt Abstracts, 2019, 1011. Poster
Florin G., Luais B., Rushmer T., and Alard O. (2019): Bencubbinite formation: the turbulent life of metal as inferred from Germanium isotopes. 82th Annual Meeting of the Meteoritical Society 2019, 8-12 July, Sapporo (Japan) LPI Contributions N°2157, #6313. Talk
Luais, B., Phelipeau, A., Toplis, M., Cividini, D., Tissandier, L., Florin, G., Alard, O. (2019): Experimental Germanium isotopic fractionation under HT, fO2-controlled conditions of core formation and accretion, Goldschmidt Abstracts, 2019, 2069. Talk
Florin, G., Luais, B., Rushmer, T., Alard, O. (2018): Germanium isotopic distribution in ordinary chondrites: inference on oxidation state of parent bodies, 81st Annual Meeting of the Meteoritical Society 2018, 22-27 July Moscou (Russia) LPI Contributions N°2067, #6131. Talk
Florin G., Luais B., Rushmer T (2018): Germanium isotopic distribution in ordinary chondrites. Inference of metal formation and evolution of planetesimals. Workshop "Meteorites - Understanding the origin of planet diversity", Paris, June 6 -8, 2018. Talk
Florin G., Luais B., Rushmer T. (2017b): Germanium isotopic variations in metals in H chondrites: implications for metal-silicate segregation. Goldschmidt Abstracts, 2017, 1175. Poster
Florin G., Luais B., Rushmer T. (2017a): Germanium isotopic variations in metals in H chondrites: implications for metal-silicate segregation. ACCRETE Workshop "Accretion, differentiation and early evolution of the terrestrial planets”, Nice, 29 May - 3 June, 2017. Poster