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Dr. Guillaume Florin

CV Guillaume Florin

Geochemistry Group

Research Scientist

Address
Malteser 74-100
Room B219, Builduing B
12249 Berlin
Email
g.florin[at]fu-berlin.de

Research Interests

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

03/10/2016 – 30/06/2020: 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.
Supervisor: Dr. Béatrice Luais (CRPG), Dr. Tracy Rushmer and Dr. Olivier Alard (Macquarie)

02/09/2013 – 30/06/2015: Master of Sciences – Economic geology
First year: Observatory of Sciences of the Universe (OSUC), France
Second year: University of Quebec in Montréal (UQAM), Canada

02/09/2009 – 30/06/2013: Licence’s degree – “Science of Earth, Universe and Environment”
Université Pierre et Marie Curie (UPMC), Paris, France – Valedictorian (1/80)

Professional Experience

01/11/2021 – Present: Research Scientist – Geochemist at Freie Universität Berlin

11/05/2020 – 31/10/2021: 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”.
Project management: Development of a platform referencing all instruments in Australia.

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
Supervisor: Prof. Michel Jébrak

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

05/12/2017 - 12/12/2017: Assistant teacher – ENSG, Nancy, France, Field school: Cartography, Sedimentology, Geodynamic.

05/12/2017 - 12/12/2017: Tutorial assistant teacher – ENSG, Nancy, France, Courses: Rock preparation and mineral recognition, including milling, segregation by density, XFR, SEM

03/09/2017 - 30/11/2017: 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

20/06/2016 - 26/06/2016: Assistant teacher – (ENSG), Nancy, France. Field school: Cartography, Sedimentology, Geodynamic.

List of publications


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.

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