Chromium isotopic insights into the origin of chondrite parent bodies and the early terrestrial volatile depletion

K Zhu, F Moynier, M Schiller, CMOD Alexander… - … et cosmochimica acta, 2021 - Elsevier
Chondrites are meteorites from undifferentiated parent bodies that provide fundamental
information about early Solar System evolution and planet formation. The element Cr is …

Anatomy of rocky planets formed by rapid pebble accretion-I. How icy pebbles determine the core fraction and FeO contents

A Johansen, T Ronnet, M Schiller, Z Deng… - Astronomy & …, 2023 - aanda.org
We present a series of papers dedicated to modelling the accretion and differentiation of
rocky planets that form by pebble accretion within the lifetime of the protoplanetary disc. In …

[HTML][HTML] Combined U-corrected Pb-Pb dating and 26Al-26Mg systematics of individual chondrules–Evidence for a reduced initial abundance of 26Al amongst inner …

J Bollard, N Kawasaki, N Sakamoto, M Olsen… - … et Cosmochimica Acta, 2019 - Elsevier
Chondrites are fragments of asteroids that avoided melting and, thus, provide a record of the
material that accreted to form protoplanets. The dominant constituent of chondrites are …

Volatile-depletion processing of the building blocks of Earth and Mars as recorded by potassium isotopes

Y Hu, F Moynier, X Yang - Earth and Planetary Science Letters, 2023 - Elsevier
The stable potassium isotopic ratios (41 K/39 K) of Earth and Mars have been interpreted to
reflect either nucleosynthetic isotope anomalies or volatility-driven K depletion. Chondrites …

Loss and isotopic fractionation of alkali elements during diffusion-limited evaporation from molten silicate: Theory and experiments

ZJ Zhang, NX Nie, RA Mendybaev, MC Liu… - ACS Earth and Space …, 2021 - ACS Publications
Moderately volatile elements (MVEs) are variably depleted in planetary bodies, reflecting the
imprints of nebular and planetary processes. Among MVEs, Na, K, and Rb are excellent …

Chromium isotopic evidence for an early formation of chondrules from the Ornans CO chondrite

K Zhu, J Liu, F Moynier, L Qin… - The Astrophysical …, 2019 - iopscience.iop.org
Chondrules are the main components of primitive meteorites and possibly the building
blocks of planetary embryos and terrestrial planets. However, their ages and modes of …

Chromium stable isotope panorama of chondrites and implications for earth early accretion

K Zhu, F Moynier, CMOD Alexander… - The Astrophysical …, 2021 - iopscience.iop.org
We investigated the stable isotope fractionation of chromium (Cr) for a panorama of
chondrites, including EH and EL enstatite chondrites and their chondrules and different …

Mass-independent and mass-dependent Cr isotopic composition of the Rumuruti (R) chondrites: Implications for their origin and planet formation

K Zhu, F Moynier, M Schiller, CMOD Alexander… - … et Cosmochimica Acta, 2021 - Elsevier
Chromium (Cr) isotopes play an important role in cosmochemistry and planetary science
because they are powerful tools for dating (53 Mn–53 Cr short-lived chronometry), tracing …

Earth and Mars–Distinct inner solar system products

T Yoshizaki, WF McDonough - Geochemistry, 2021 - Elsevier
Composition of terrestrial planets records planetary accretion, core–mantle and crust–
mantle differentiation, and surface processes. Here we compare the compositional models …

Evidence from achondrites for a temporal change in Nd nucleosynthetic anomalies within the first 1.5 million years of the inner solar system formation

P Frossard, Z Guo, M Spencer, M Boyet… - Earth and Planetary …, 2021 - Elsevier
Heterogeneity in isotopic compositions within the protoplanetary disc has been
demonstrated for a number of elements measured in extra-terrestrial materials, mostly based …