Research Focus
- As an isotope geochemist/cosmochemist I am using natural variations in the abundance of isotopes to investigate the processes and timescales of the formation and evolution of matter
CV
Academic Education
- Doctor of Sciences, ETH Zurich
- Diploma in Geology-Paleontology, University of Cologne
- Diploma in Mineralogy, University of Cologne
Positions
- Research Associate at the Institut für Planetologie, Westfälische Wilhelms-Universität Münster, Germany
- Postdoc in the ISOCORE project at the Institut für Planetologie, Westfälische Wilhelms-Universität Münster, Germany
- Postdoc and Lab manager at the Origins Lab, Dept. of Geophysical Sciences, University of Chicago, USA
- Postdoc at the Institute of Geochemistry and Petrology, ETH Zurich, Switzerland
- Scientific assistance at the Institute of Geochemistry and Petrology, ETH Zurich, Switzerland
- Student assistance at the Institute of Mineralogy, University of Cologne, Germany
- Civilian service at Weyertal Hospital intensive care unit, Cologne, Germany
Honors
- Swiss National Science Foundation postdoctoral fellowship – Swiss National Science Foundation
- Bernd Rendel Prize – German Research Foundation (DFG)
- DAAD Stipendium für Studierende – Deutscher Akademischer Austauschdienst (DAAD)
- Victor-Moritz-Goldschmidt-Preis – Deutsche Mineralogische Gesellschaft
- Pellas-Ryder Award for best student paper in planetary sciences – Geological Society of America and Meteoritical Society
- Medaille der ETH Zürich – Eidgenössische Technische Hochschule Zürich
External Functions
- EAG
- Meteoritical Society
- German Mineralogical Society
Projects
- CRC TRR 170 - B06: Comparing the (late) accretion history of Mars and Earth – timing, sources, dynamics ( – )
Subproject in DFG-Joint Project Hosted at the University of Münster: DFG - Collaborative Research Centre | Project Number: TRR 170/2 - CRC TRR 170 - B07: Experimental and isotopic investigations of volatile element loss during magma degassing ( – )
Subproject in DFG-Joint Project Hosted at the University of Münster: DFG - Collaborative Research Centre | Project Number: TRR 170/2
- CRC TRR 170 - B06: Comparing the (late) accretion history of Mars and Earth – timing, sources, dynamics ( – )
Publications
- . . ‘Tellurium isotope fractionation during evaporation from silicate melts.’ Geochimica et Cosmochimica Acta 339: 35–45. doi: 10.1016/j.gca.2022.10.032.
- . . ‘The Loongana (CL) group of carbonaceous chondrites.’ Geochimica et Cosmochimica Acta 304: 1–31. doi: 10.1016/j.gca.2021.04.007.
- . . ‘The old, unique C1 chondrite Flensburg - insight into the first processes of aqueous alteration, brecciation, and the diversity of water-bearing parent bodies and lithologies.’ Geochimica et Cosmochimica Acta 293: 142–186.
- . . ‘Tellurium isotope cosmochemistry: Implications for volatile fractionation in chondrite parent bodies and origin of the late veneer.’ Geochimica et Cosmochimica Acta 309: 313–328. doi: 10.1016/j.gca.2021.06.038.
Research Articles (Journals)
- . ‘Isotopic evolution of the inner Solar System inferred from molybdenum isotopes in meteorites. .’ The Astrophysical Journal Letters 898: L2.
- . ‘Early evolution of the solar accretion disk inferred from Cr-Ti-O isotopes in individual chondrules.’ Earth and Planetary Science Letters 551: 116585.
- 10.1126/science.aaz8482. . ‘Astronomical context of Solar System formation from molybdenum isotopes in meteorite inclusions.’ Science 370: 837–840. doi:
- . . ‘Origin of volatile element depletion among carbonaceous chondrites.’ Earth and Planetary Science Letters 549: 116508. doi: 10.1016/j.epsl.2020.116508.
Review (Journals)
- . ‘The Non-carbonaceous-Carbonaceous Meteorite Dichotomy.’ Space Science Reviews 216: 55.
- . . ‘Titanium isotopic evidence for a shared genetic heritage of refractory inclusions from different carbonaceous chondrites.’ Geochimica et Cosmochimica Acta 254: 40–53. doi: 10.1016/j.gca.2019.03.011.
- . . ‘(2019): The Renchen L5-6 chondrite breccia: The first confirmed meteorite fall from Baden-Württemberg (Germany).’ Chemie der Erde / Geochemistry 79: 125525.
- 10.1038/s41550-019-0779-y. . ‘Molybdenum isotopic evidence for the late accretion of outer Solar System material to Earth.’ Nature Astronomy 3: 736–741. doi:
- . ‘Distinct evolution of the carbonaceous and non-carbonaceous reservoirs: Insights from Ru, Mo, and W isotopes.’ Earth and Planetary Science Letters 521: 103–112.
- . ‘Elemental and isotopic variability in solar system materials by mixing and processing of primordial disk reservoirs.’ Geochimica et Cosmochimica Acta 261: 145–170.
Research Articles (Journals)
- . . ‘Ti isotopic evidence for a non-CAI refractory component in the inner Solar System .’ Earth and Planetary Science Letters 498: 257–265. doi: 10.1016/j.epsl.2018.06.040.
Research Article (Book Contributions)
- . ‘Tungsten Isotopes and the Origin of Chondrules and Chondrites.’ In Chondrules, edited by , 276–299. 0th Ed. Cambridge: Cambridge University Press.
- 10.1073/pnas.1704461114. . ‘Age of Jupiter inferred from the distinct genetics and formation times of meteorites.’ Proceedings of the National Academy of Sciences of the United States of America 114, № 26: 6712–6716. doi:
- . . ‘The cosmic molybdenum-neodymium isotope correlation and the building material of the Earth.’ Geochemical Perspectives Letters 3: 170–178. doi: 10.7185/geochemlet.1720.
- 10.3847/2041-8213/aa72a2. . ‘Mixing and Transport of Dust in the Early Solar Nebula as Inferred from Titanium Isotope Variations among Chondrules.’ Astrophysical Journal Letters 841, № 1. doi:
- 10.1111/maps.12883. . ‘The Stubenberg meteorite—An LL6 chondrite fragmental breccia recovered soon after precise prediction of the strewn field.’ Meteoritics and Planetary Science 52, № 8: 1683–1703. doi:
- 10.1111/maps.12834. . ‘In search of the Earth-forming reservoir: Mineralogical, chemical, and isotopic characterizations of the ungrouped achondrite NWA 5363/NWA 5400 and selected chondrites.’ Meteoritics and Planetary Science 52, № 5: 826. doi:
- 10.1038/nature18956. . ‘A nucleosynthetic origin for the Earth's anomalous 142 Nd composition.’ Nature 537, № 7620: 394–398. doi:
- 10.1016/j.epsl.2016.09.020. . ‘Molybdenum isotopic evidence for the origin of chondrules and a distinct genetic heritage of carbonaceous and non-carbonaceous meteorites.’ Earth and Planetary Science Letters 454: 293–303. doi:
- 10.1073/pnas.1524980113. . ‘Tungsten isotopic constraints on the age and origin of chondrules.’ Proceedings of the National Academy of Sciences of the United States of America 113: 2886–2891. doi:
- 10.1016/j.gca.2015.07.032. . ‘Ru isotope heterogeneity in the solar protoplanetary disk.’ Geochimica et Cosmochimica Acta 168: 151–171. doi:
- . . ‘Intrinsic W nucleosynthetic isotope variations in carbonaceous chondrites: Implications for W nucleosynthesis and nebular vs. parent body processing of presolar materials.’ Geochimica et Cosmochimica Acta 165: 361–375. doi: 10.1016/j.gca.2015.06.012.
- . . ‘Planetary and meteoritic Mg/Si and δ30Si variations inherited from solar nebula chemistry.’ Earth and Planetary Science Letters 427: 236–248. doi: 10.1016/j.epsl.2015.07.008.
Research Articles (Journals)
- . ‘Nucleosynthetic W isotope anomalies and the Hf-W chronometry of Ca-Al-rich inclusions.’ Earth and Planetary Science Letters 403: 317–327.
- 10.1098/rsta.2013.0244. . ‘Geochemical arguments for an Earth-like Moon-forming impactor.’ Philosophical Transactions of the Royal Society A 372: 20130244. doi:
- 10.1016/j.epsl.2014.01.037. . ‘Evidence for Mo isotope fractionation in the solar nebula and during planetary differentiation.’ Earth and Planetary Science Letters 391, № null: 201–211. doi:
Entries in Encyclopediae (Book Contributions)
- . ‘Isotopic composition of the Moon and the lunar isotopic crisis.’ In Encyclopedia of Lunar Science, edited by . 0th Ed. Basel : Springer International Publishing.
- 10.1016/j.epsl.2013.08.003. . ‘Experimental evidence for Mo isotope fractionation between metal and silicate liquids.’ Earth and Planetary Science Letters 379, № null: 38–48. doi:
- . . ‘Origin of isotopic heterogeneity in the solar nebula by thermal processing and mixing of nebular dust.’ Earth and Planetary Science Letters 357: 298–307. doi: 10.1016/j.epsl.2012.09.048.
- . ‘Hf–W chronometry of core formation in planetesimals inferred from weakly irradiated iron meteorites.’ Geochimica et Cosmochimica Acta 99: 287–304.
- . . ‘Nucleosynthetic tungsten isotope anomalies in acid leachates of the Murchison chondrite: Implications for hafnium-tungsten chronometry.’ Astrophysical Journal Letters 753: L6.
- . . ‘Molybdenum isotope anomalies in meteorites: Constraints on solar nebula evolution and origin of the Earth.’ Earth and Planetary Science Letters 312: 390–400. doi: 10.1016/j.epsl.2011.10.010.
- . . ‘Hf-W mineral isochron for Ca,Al-rich inclusions: Age of the solar system and the timing of core formation in planetesimals.’ Geochimica et Cosmochimica Acta 72, № 24: 6177–6197. doi: 10.1016/j.gca.2008.10.023.