Research Foci
- Chronology of the early solar system using short-lived nuclides
- Early evolution of the solar nebula as inferred from nucleosynthetic isotope anomalies in meteorites and meteorite components
- Accretion and differentiation of asteroids and terrestrial planets
CV
Academic Education
- Venia Legendi for Geochemistry and Cosmochemistry, ETH Zürich, Switzerland
- Dr. rer. nat. (with honours), Institute of Mineralogy, WWU Münster
- Diplom (German equivalent of Master) in Mineralogy, WWU Münster
- Diplom (German equivalent of Master) in Geology and Palaentology, WWU
Positions
- Professor (Chair) for Planetology, University of Muenster
- Assistant Professor for Isotope Geochemistry, ETH Zürich, Switzerland
- Senior Research Scientist (Oberassistent), Institute of Geochemistry and Petrology, ETH Zürich, Switzerland
- EU Marie Curie Postdoctoral Fellow, Institute of Geochemistry and Petrology, ETH Zürich, Switzerland
- Postdoctoral researcher, Institute for Isotope Geology and Mineral Resources, ETH Zürich, Switzerland
- Postdoctoral Researcher, Institute of Mineralogy, University of Muenster
- Research Assistant, Institute of Mineralogy, University of Muenster
Honors
- Appointment as Member of the North Rhine-Westphalian Academy of Sciences, Humanities and the Arts – North Rhine-Westphalian Academy of Sciences, Humanities and the Arts (NRW-AdW)
- ERC Consolidator Grant – European Research Council (ERC)
- Marie Curie Fellowship – European Commission
- Fellow of the Meteoritical Society – The Meteoritical Society
- F.W. Clarke Award – The Geochemical Society
- SNF-Förderungsprofessur – Schweizerischer Nationalfonds (SNF)
- Victor-Moritz-Goldschmidt-Preis – Deutsche Mineralogische Gesellschaft
- Nier Priize – The Meteoritical Society
- Paul-Ramdohr-Preis – Deutsche Mineralogische Gesellschaft
External Functions
- Member of the European Association of Geochemistry
- Member of the Meteoritical Society
- Member of the Geochemical Society
- Member of the German Mineralogical Society (DMG)
Projects
- SFB TRR 170: Late Accretion onto Terrestrial Planets ( – )
Main DFG-Project Hosted at the University of Münster: DFG - Collaborative Research Centre | Project Number: TRR 170/2 - CRC TRR 170 - A05: Chronology of lunar crust formation and its relation to the age of the Moon ( – )
Subproject in DFG-Joint Project Hosted at the University of Münster: DFG - Collaborative Research Centre | Project Number: TRR 170/2 - CRC TRR 170 - B03: Tracing the origin of the late veneer using nucleosynthetic isotope anomalies in siderophile elements ( – )
Subproject in DFG-Joint Project Hosted at the University of Münster: DFG - Collaborative Research Centre | Project Number: TRR 170/2 - CRC TRR 170 - C03: 182W heterogeneities in Earth's mantle – early differentiation, late accretion, and core-mantle interaction ( – )
Subproject in DFG-Joint Project Hosted at the University of Münster: DFG - Collaborative Research Centre | Project Number: TRR 170/2 - CRC TRR 170 - MGK: Integrated Research Training Group "Planetary Sciences" ( – )
Subproject in DFG-Joint Project Hosted at the University of Münster: DFG - Collaborative Research Centre | Project Number: TRR 170/2 - REMELT – Refractory Material from Early Times ( – )
Individual Granted Project: DFG - Individual Grants Programme | Project Number: EB 557/5-1 - CRC TRR 170 - C03: Preservation of 182W heterogeneities in the Earth's mantle – implications for the timing and nature of late accretion ( – )
Subproject in DFG-Joint Project Hosted outside the University of Münster: DFG - Collaborative Research Centre | Project Number: TRR 170/1 - CRC TRR 170 - B03: Tracing the origin of the late veneer using nucleosynthetic isotope anomalies in siderophile elements ( – )
Subproject in DFG-Joint Project Hosted outside the University of Münster: DFG - Collaborative Research Centre | Project Number: TRR 170/1 - The elements of existence: Understanding the astrophysical and earliest formation period of the solar system ( – )
Individual Granted Project: Alexander von Humboldt Foundation - Sofja Kovalevskaja Award - EPN2020-RI – EUROPLANET 2020 Research Infrastructure ( – )
EU-Project Hosted outside the University of Münster: EC H2020 - Research and innovation actions | Project Number: 654208 - ISOCORE – New isotope tracers for core formation in terrestrial planets ( – )
EU-Project Hosted at University the of Münster: EU FP 7 - ERC Consolidator Grants | Project Number: 616564 - New constraints on the bulk composition and compositional evolution of the Earth from La-Ce isotope measurements ( – )
Individual Granted Project: DFG - Individual Grants Programme | Project Number: STR 853/5-1 - SPP 1385 - Teilprojekt: Planetesimal accretion timescales inferred from Hf-W chronometry ( – )
Subproject in DFG-Joint Project Hosted outside the University of Münster: DFG - Priority Programme | Project Number: KL 1857/3-2 - SPP 1385 - Subproject: Isotope anomalies in meteoritic materials and the dynamical evolution of the solar nebula: Contraints from Cr, Ti and O isotopes ( – )
Subproject in DFG-Joint Project Hosted outside the University of Münster: DFG - Priority Programme | Project Number: KL 1857/4-2 - FI 1704/1-1 – Pd-Ag chronometry of iron meteorites and the accretion and thermal history of differentiated protoplanets ( – )
Individual Granted Project: DFG - Individual Grants Programme | Project Number: FI 1704/1-1 - MIRC – Establishing the Core facility Münster Isotope research center ( – )
Individual Granted Project: DFG - Individual Grants Programme | Project Number: STR 853/3-1 - Lu-Hf systematics and the early silicate differentiation history of the Moon ( – )
Individual Granted Project: DFG - Individual Grants Programme | Project Number: SP 1385/1-1 - SPP 1385 - Subproject: Planetesimal accretion timescales inferred from Hf-W chronometry ( – )
Subproject in DFG-Joint Project Hosted outside the University of Münster: DFG - Priority Programme | Project Number: KL 1857/3-1 - SPP 1385 - Subproject: Isotope anomalies in meteoritic materials and the dynamical evolution of the solar nebula: Contraints from Cr, Ti and O isotopes ( – )
Subproject in DFG-Joint Project Hosted outside the University of Münster: DFG - Priority Programme | Project Number: KL 1857/4-1 - SPP 1385 - WP: High-temperature chondrule accretion in primitive chondrites and its relevance for theories of chondrule formation and planetary accretion (1st funding period) ( – )
Subproject in DFG-Joint Project Hosted outside the University of Münster: DFG - Priority Programme | Project Number: ME 1115/8-1
- SFB TRR 170: Late Accretion onto Terrestrial Planets ( – )
Publications
- . . ‘Origin of 182W Anomalies in Ocean Island Basalts.’ Geochemistry, Geophysics, Geosystems 24: 1–12. doi: 10.1029/2022GC010688.
- . . ‘Origin of the analytical 183W effect and its implications for tungsten isotope analyses.’ Journal of Analytical Atomic Spectrometry 37: 2005–2021. doi: 10.1039/D2JA00102K.
- . . ‘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.
- . . ‘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.
- 10.1038/s41561-021-00820-2. . ‘No 182W evidence for early Moon formation.’ Nature Geoscience 14. doi:
- . . ‘Hf-W chronology of a macrochondrule from the L5/6 chondrite Northwest Africa 8192.’ Meteoritics and Planetary Science 55, № 10: 2241–2255. doi: 10.1111/maps.13571.
- . . ‘Origin of volatile element depletion among carbonaceous chondrites.’ Earth and Planetary Science Letters 549: 116508. doi: 10.1016/j.epsl.2020.116508.
- 10.1016/j.epsl.2019.115841. . ‘Lack of late-accreted material as the origin of 182W excesses in the Archean mantle: Evidence from the Pilbara Craton, Western Australia.’ Earth Planet. Sci. Lett. 528. doi:
- . . ‘Hf-W chronology of ordinary chondrites.’ Geochimica et Cosmochimica Acta 258: 290–309. doi: 10.1016/j.gca.2019.05.040.
- . . ‘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.
- 10.1016/j.gca.2017.11.033. . ‘Ruthenium isotope fractionation in protoplanetary cores.’ Geochimica et Cosmochimica Acta 223: 75–89. doi:
- . . ‘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.
- . . ‘A Distinct Nucleosynthetic Heritage for Early Solar System Solids Recorded by Ni Isotope Signatures.’ Astrophysical Journal 862: 26–43. doi: 10.3847/1538-4357/aacb7e.
- . . ‘Nature of late accretion to Earth inferred from mass-dependent isotope compositions in meteorites and mantle peridotites.’ Earth and Planetary Science Letters 494: 50–59. doi: 10.1016/j.epsl.2018.04.058.
- 10.1016/j.chemgeo.2018.03.024. . ‘No 182W excess in the Ontong Java Plateau source.’ Chemical Geology 485: 24–31. doi:
- 10.1016/j.epsl.2018.03.010. . ‘Uranium isotope ratios of Muonionalusta troilite and complications for the absolute age of the IVA iron meteorite core.’ Earth and Planetary Science Letters 490: 1–10. doi:
- . . ‘Multistage Core Formation in Planetesimals Revealed by Numerical Modeling and Hf-W Chronometry of Iron Meteorites.’ Journal of Geophysical Research: Planets 123: 2017JE005411. doi: 10.1002/2017JE005411.
- 10.1016/j.gca.2017.09.009. . ‘Pd-Ag chronometry of IVA iron meteorites and the crystallization and cooling of a protoplanetary core.’ Geochimica et Cosmochimica Acta 220, № null: 82–95. doi:
- 10.1016/j.gca.2017.10.014. . ‘Hf-W chronology of CR chondrites: Implications for the timescales of chondrule formation and the distribution of 26Al in the solar nebula.’ Geochimica et Cosmochimica Acta 222: 284–304. doi:
Research Articles (Journals)
- 10.1016/j.epsl.2017.07.021. . ‘Tungsten isotopes and the origin of the Moon.’ Earth and Planetary Science Letters 475, № null: 15–24. doi:
- 10.1016/j.epsl.2017.06.047. . ‘The early differentiation of Mars inferred from Hf–W chronometry.’ Earth and Planetary Science Letters 474, № null: 345–354. doi:
- 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:
- . . ‘Reconciliation of the excess 176Hf conundrum in meteorites: Recent disturbances of the Lu-Hf and Sm-Nd isotope systematics.’ Geochimica et Cosmochimica Acta 212: 303–323. doi: 10.1016/j.gca.2017.05.043.
- . . ‘The cosmic molybdenum-neodymium isotope correlation and the building material of the Earth.’ Geochemical Perspectives Letters 3: 170–178. doi: 10.7185/geochemlet.1720.
- 10.1016/j.chemgeo.2016.12.024. . ‘Tungsten stable isotope compositions of terrestrial samples and meteorites determined by double spike MC-ICPMS.’ Chemical Geology 450, № null: 135–144. doi:
- 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:
- . . ‘Ruthenium isotopic evidence for an inner Solar System origin of the late veneer.’ Nature 541: 525–527. doi: 10.1038/nature21045.
- 10.1016/j.gca.2017.08.037. . ‘The Northwest Africa 8159 martian meteorite: Expanding the martian sample suite to the early Amazonian.’ Geochimica et Cosmochimica Acta 218, № null: 1–26. doi:
- 10.1146/annurev-earth-063016-020037. . ‘Tungsten Isotopes in Planets.’ Annual Review of Earth and Planetary Sciences 45: 389–417. doi:
- . ‘A low abundance of 135Cs in the early Solar System from barium isotopic signatures of volatile-depleted meteorites.’ The Astrophysical Journal Letters 837.
Research Article (Book Contributions)
- 10.1017/9781316339794. . ‘Chronology of Planetesimal Differentiation.’ In Planetesimals, edited by , 224–245. doi:
- 10.1016/j.epsl.2016.07.056. . ‘The effects of magmatic processes and crustal recycling on the molybdenum stable isotopic composition of Mid-Ocean Ridge Basalts.’ Earth and Planetary Science Letters 453, № null: 171–181. 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:
- . ‘Ruthenium stable isotope measurements by double spike MC-ICPMS.’ Journal of Analytical Atomic Spectrometry 31: 1515–1526.
Research Articles (Journals)
- . ‘Reply to comment by Peters et al. (2015) on "Cosmogenic 180W variations in meteorites and re-assessment of a possible 184Os-180W decay system".’ Geochimica et Cosmochimica Acta 169: 240–243.
- 10.1111/maps.12567. . ‘Uranium isotopic composition and absolute ages of Allende chondrules.’ Meteoritics & Planetary Science 50, № 12: 1995–2002. doi:
- 10.1016/j.epsl.2015.08.034. . ‘Planetesimal differentiation revealed by the Hf-W systematics of ureilites.’ Earth and Planetary Science Letters 430: 316–325. doi:
- 10.1016/j.gca.2015.07.032. . ‘Ru isotope heterogeneity in the solar protoplanetary disk.’ Geochimica et Cosmochimica Acta 168: 151–171. doi:
- 10.1016/j.gca.2015.07.027. . ‘Pd-Ag chronometry of iron meteorites: Correction of neutron capture-effects and application to the cooling history of differentiated protoplanets.’ Geochimica et Cosmochimica Acta 169, № null: 45–62. doi:
- . . ‘Lunar tungsten isotopic evidence for the late veneer.’ Nature 520: 534–537.
- 10.1016/j.gca.2015.02.018. . ‘Hf-W chronology of the eucrite parent body.’ Geochimica et Cosmochimica Acta 156, № null: 106–121. doi:
Research Article (Book Contributions)
- . ‘Early Differentiation and Core Formation: Processes and Timescales.’ In The Early Earth: Accretion and Differentiation, edited by , 83–102. 1st Ed. N/A: Selbstverlag / Eigenverlag.
- 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:
- 10.1016/j.gca.2014.05.013. . ‘Cosmogenic 180W variations in meteorites and re-assessment of a possible 184Os-180W decay system.’ Geochimica et Cosmochimica Acta 140, № null: 160–176. doi:
- . ‘Nucleosynthetic W isotope anomalies and the Hf-W chronometry of Ca-Al-rich inclusions.’ Earth and Planetary Science Letters 403: 317–327.
- 10.1126/science.1251766. . ‘Protracted core formation and rapid accretion of protoplanets.’ Science 344, № 6188: 1150–1154. doi:
- . ‘The abundance and isotopic composition of Cd in iron meteorites.’ Meteoritics and Planetary Science 48: 2597–2607.
- 10.1016/j.epsl.2013.05.029. . ‘Rb-Sr chronology of volatile depletion in differentiated protoplanets: BABI, ADOR and ALL revisited.’ Earth and Planetary Science Letters 374, № null: 204–214. doi:
- 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:
- . . ‘Neutron capture on Pt isotopes in iron meteorites and the Hf-W chronology of core formation in planetesimals.’ Earth and Planetary Science Letters 361: 162–172. doi: 10.1016/j.epsl.2012.10.014.
- . ‘Isotopic evidence for chondritic Lu/Hf and Sm/Nd of the Moon.’ Earth and Planetary Science Letters 380: 77–87.
- . . ‘Core Formation and Mantle Differentiation on Mars.’ Space Science Reviews 174: 27–48. doi: 10.1007/s11214-012-9935-8.
- . . ‘Thermal evolution and sintering of chondritic planetesimals.’ Astronomy and Astrophysics 537. doi: 10.1051/0004-6361/201117177.
- . . ‘Chronology of the angrite parent body and implications for core formation in protoplanets.’ Geochimica et Cosmochimica Acta 84: 186–203. doi: 10.1016/j.gca.2012.01.032.
- . . ‘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.
- . . ‘Refractory element fractionation in the Allende meteorite: Implications for solar nebula condensation and the chondritic composition of planetary bodies.’ Geochimica et Cosmochimica Acta 85: 114–141.
- . ‘Hf–W chronometry of core formation in planetesimals inferred from weakly irradiated iron meteorites.’ Geochimica et Cosmochimica Acta 99: 287–304.
- . . ‘Thermal history modelling of the H chondrite parent body.’ Astronomy & Astrophysics 545: –. doi: 10.1051/0004-6361/201219100.
- . . ‘Nucleosynthetic tungsten isotope anomalies in acid leachates of the Murchison chondrite: Implications for hafnium-tungsten chronometry.’ Astrophysical Journal Letters 753: L6.
Research Articles (Journals)
- . . ‘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.
- . . ‘Earth's patchy late veneer.’ Nature 477, № 7363: 168–169. doi: 10.1038/477168a.
- . . ‘Chronometry of Meteorites and the Formation of the Earth and Moon.’ Elements 7: 41–46. doi: 10.2113/gselements.7.1.41.
Entries in Encyclopediae (Book Contributions)
- . . ‘Radiogenic Isotopes.’ In Encyclopedia of Astrobiology, edited by . Düsseldorf: Springer VDI Verlag.
Research Articles (Journals)
- . . ‘Broad bounds on Earth's accretion and core formation constrained by geochemical models.’ Nature Geoscience 3: 439–443. doi: 10.1038/ngeo872.
- . . ‘Tungsten isotopic evolution during late-stage accretion: Constraints on Earth-Moon equilibration.’ Earth and Planetary Science Letters 292: 363–370. doi: 10.1016/j.epsl.2010.02.003.
Research Article (Book Contributions)
- . . ‘Extint radionuclides and the earliest differentiation of the Earth and Moon.’ In Timescales of Magmatic Processes: From Core to Atmosphere, edited by , 9–51. Hoboken, NJ, USA: Wiley-Blackwell.
- . . ‘Si isotope systematics of meteorites and terrestrial peridotites: implications for Mg/Si fractionation in the solar nebula and for Si in the Earth's core.’ Earth and Planetary Science Letters 287, № 1-2: 77–85. doi: 10.1016/j.epsl.2009.07.038.
- . . ‘Hf-W chronology of the accretion and early evolution of asteroids and terrestrial planets.’ Geochimica et Cosmochimica Acta 73, № 17: 5150–5188. doi: 10.1016/j.gca.2008.11.047.
- . . ‘The distribution of short-lived radioisotopes in the early solar system and the chronology of asteroid accretion, differentiation, and secondary mineralization.’ Geochimica et Cosmochimica Acta 73, № 17: 5115–5136. doi: 10.1016/j.gca.2008.12.031.
- . . ‘Hf-W thermochronometry: II. Accretion and thermal history of the acapulcoite-lodranite parent body.’ Earth and Planetary Science Letters 284, № 1-2: 168–178. doi: 10.1016/j.epsl.2009.04.022.
- . . ‘Tungsten isotopes in ferroan anorthosites: Implications for the age of the Moon and lifetime of its magma ocean.’ Icarus 199, № 2: 245–249. doi: 10.1016/j.icarus.2008.11.018.
Research Articles (Journals)
- . . ‘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.
- . . ‘Early differentiation of the Earth and the Moon.’ Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 366, № 1883: 4105–4128. doi: 10.1098/rsta.2008.0125.
- . . ‘Hf-W thermochronometry: Closure temperature and constraints on the accretion and cooling history of the H chondrite parent body.’ Earth and Planetary Science Letters 270, № 1-2: 106–118. doi: 10.1016/j.epsl.2008.03.013.
Research Article (Book Contributions)
- . . ‘Hf-W chronometry of planetary accretion and differentiation.’ In Chemical Evolution across Space and Time: From the Big Bang to Prebiotic Chemistry, edited by . Oxford: Oxford University Press.
- . . ‘Late formation and prolonged differentiation of the Moon inferred from W isotopes in lunar metals.’ Nature 450, № 7173: 1206–1209. doi: 10.1038/nature06428.
- . . ‘How rapidly did Mars accrete? Uncertainties in the Hf-W timing of core formation.’ Icarus 191, № 2: 497–504. doi: 10.1016/j.icarus.2007.05.002.
- . . ‘Hafnium-tungsten chronometry of angrites and the earliest evolution of planetary objects.’ Earth and Planetary Science Letters 262, № 1-2: 214–229. doi: 10.1016/j.epsl.2007.07.035.
- . . ‘Hf-Nd-Pb isotope evidence from Permian arc rocks for the long-term presence of the Indian-Pacific mantle boundary in the SW Pacific.’ Earth and Planetary Science Letters 254, № 3-4: 377–392. doi: 10.1016/j.epsl.2006.11.046.
Research Articles (Journals)
- . . ‘Tungsten isotopic compositions of iron meteorites: Chronological constraints vs. cosmogenic effects.’ Earth and Planetary Science Letters 242, № 1-2: 1–15. doi: 10.1016/j.epsl.2005.11.048.
Research Article (Book Contributions)
- . . ‘Meteorites and the Timing, Mechanisms, and Conditions of Terrestrial Planet Accretion and Early Differentiation.’ In Meteorites and the Early Solar System II, edited by , 775–801. N/A: Selbstverlag / Eigenverlag.
- . . ‘Early core formation in asteroids and late accretion of chondrite parent bodies: Evidence from Hf-182-W-182 in CAIs, metal-rich chondrites, and iron meteorites.’ Geochimica et Cosmochimica Acta 69, № 24: 5805–5818. doi: 10.1016/j.gca.2005.07.012.
- . . ‘Hf-W chronometry of lunar metals and the age and early differentiation of the Moon.’ Science 310, № 5754: 1671–1674. doi: 10.1126/science.1118842.
- . . ‘The W isotope composition of eucrite metals: constraints on the timing and cause of the thermal metamorphism of basaltic eucrites.’ Earth and Planetary Science Letters 231, № 1-2: 41–52. doi: 10.1016/j.epsl.2004.12.016.
- . . ‘182Hf-182W isotope systematics of chondrites, eucrites, and martian meteorites: Chronology of core formation and early mantle differentiation in Vesta and Mars.’ Geochimica et Cosmochimica Acta 68, № 13: 2935–2946. doi: 10.1016/j.gca.2004.01.009.
- . . ‘The W isotope evolution of the bulk silicate Earth: constraints on the timing and mechanisms of core formation and accretion.’ Earth and Planetary Science Letters 228, № 1-2: 109–123. doi: 10.1016/j.epsl.2004.09.023.
- . . ‘Crustal evolution along the Early Ordovician proto-Andean margin of Gondwana: Trace element and isotope evidence from the Complejo Igneo Pocitos (northwest Argentina).’ Journal of Geology 112, № 5: 503–520. doi: 10.1086/422663.
- . . ‘Evolution of planetary cores and the earth-moon system from Nb/Ta systematics.’ Science 301, № 5629: 84–87. doi: 10.1126/science.1084662.
- . . ‘Rapid accretion and early core formation on asteroids and the terrestrial planets from Hf-W chronometry.’ Nature 418, № 6901: 952–955. doi: 10.1038/nature00982.