Neutron capture on Pt isotopes in iron meteorites and the Hf–W chronology of core formation in planetesimals

TS Kruijer, M Fischer-Gödde, T Kleine, P Sprung… - Earth and Planetary …, 2013 - Elsevier
The short-lived 182Hf–182W isotope system can provide powerful constraints on the
timescales of planetary core formation, but its application to iron meteorites is hampered by …

Nucleosynthetic Pt isotope anomalies and the Hf-W chronology of core formation in inner and outer solar system planetesimals

F Spitzer, C Burkhardt, F Nimmo, T Kleine - Earth and Planetary Science …, 2021 - Elsevier
The 182 Hf-182 W chronology of iron meteorites provides crucial information on the
timescales of accretion and differentiation of some of the oldest planetesimals of the Solar …

Hf–W chronometry of core formation in planetesimals inferred from weakly irradiated iron meteorites

TS Kruijer, P Sprung, T Kleine, I Leya… - … et cosmochimica acta, 2012 - Elsevier
The application of Hf–W chronometry to determine the timescales of core formation in the
parent bodies of magmatic iron meteorites is severely hampered by 182W burnout during …

Correlated helium-3 and tungsten isotopes in iron meteorites: quantitative cosmogenic corrections and planetesimal formation times

A Markowski, I Leya, G Quitté, K Ammon… - Earth and Planetary …, 2006 - Elsevier
Core formation in planetesimals can, in principle, be dated using the short-lived 182Hf–
182W chronometer. However, it has been predicted that burnout and production of W …

Hf–W evidence for rapid differentiation of iron meteorite parent bodies

A Scherstén, T Elliott, C Hawkesworth, S Russell… - Earth and Planetary …, 2006 - Elsevier
New, high-precision W isotope data on iron meteorites are presented that provide important
constraints on the timing of silicate–metal segregation in planetesimals. Magmatic iron …

Coupled W–Os–Pt isotope systematics in IVB iron meteorites: In situ neutron dosimetry for W isotope chronology

N Wittig, M Humayun, AD Brandon, S Huang… - Earth and Planetary …, 2013 - Elsevier
Tungsten isotope compositions of magmatic iron meteorites yield ages of differentiation that
are within±2Ma of the formation of CAIs, with the exception of IVB irons that plot to …

Pd-Ag chronometry of IVA iron meteorites and the crystallization and cooling of a protoplanetary core

M Matthes, M Fischer-Gödde, TS Kruijer… - … et Cosmochimica Acta, 2018 - Elsevier
To constrain the timescales and processes involved in the crystallization and cooling of
protoplanetary cores, we examined the Pd-Ag isotope systematics of the IVA iron meteorites …

Meteorites and the timing, mechanisms, and conditions of terrestrial planet accretion and early differentiation

AN Halliday, T Kleine - Meteorites and the early solar system …, 2006 - ui.adsabs.harvard.edu
Isotopic studies of meteorites provide the fundamental data for determining how the
terrestrial planets, including Earth, accreted. Over the past few years there have been major …

Multistage Core Formation in Planetesimals Revealed by Numerical Modeling and Hf‐W Chronometry of Iron Meteorites

W Neumann, TS Kruijer, D Breuer… - Journal of Geophysical …, 2018 - Wiley Online Library
Iron meteorites provide some of the most direct insights into the processes and timescales of
core formation in planetesimals. Of these, group IVB irons stand out by having one of the …

Rapid accretion and differentiation of iron meteorite parent bodies inferred from 182Hf–182W chronometry and thermal modeling

L Qin, N Dauphas, M Wadhwa, J Masarik… - Earth and Planetary …, 2008 - Elsevier
New high-precision W isotope measurements are presented for 33 iron meteorites from 8
magmatic groups (IC, IIAB, IID, IIIAB, IIIE, IIIF, I VA and IVB), 2 non-magmatic groups (IAB …