Origin of the superchondritic carbon/nitrogen ratio of the bulk silicate Earth–an outlook from iron meteorites

DS Grewal, PD Asimow - Geochimica et Cosmochimica Acta, 2023 - Elsevier
Disagreement regarding the origin of the bulk silicate Earth's (BSE) superchondritic
carbon/nitrogen (C/N) ratio is due, in part, to the unknown C/N ratios of differentiated …

Prevalence of short-lived radioactive isotopes across exoplanetary systems inferred from polluted white dwarfs

A Curry, A Bonsor, T Lichtenberg… - Monthly Notices of the …, 2022 - academic.oup.com
In the Solar system, short-lived radioisotopes, such as 26Al, played a crucial role during the
formation of planetary bodies by providing a significant additional source of heat. Notably …

Limited nitrogen isotopic fractionation during core-mantle differentiation in rocky protoplanets and planets

DS Grewal, T Sun, S Aithala, T Hough… - … et Cosmochimica Acta, 2022 - Elsevier
Abstract 15 N/14 N ratios of meteorites are a powerful tool for tracing the journey of life-
essential volatiles like nitrogen (N), carbon and water from nebular solids to the present-day …

Partitioning of nickel and cobalt between metal and silicate melts: Expanding the oxy-barometer to reducing conditions

C Cartier, L Llado, H Pirotte, L Tissandier… - … et Cosmochimica Acta, 2024 - Elsevier
Moderately siderophile elements (MSEs) are potential tracers of the thermodynamic
conditions prevailing during planetary core formation because their metal–silicate partition …

53Mn‐53Cr chronology and ε54Cr‐Δ17O genealogy of Erg Chech 002: The oldest andesite in the solar system

A Anand, PM Kruttasch… - Meteoritics & Planetary …, 2022 - Wiley Online Library
Abstract The meteorite Erg Chech (EC) 002 is the oldest felsic igneous rock from the solar
system analyzed to date and provides a unique opportunity to study the formation of felsic …

Devolatilization of extrasolar planetesimals by 60Fe and 26Al heating

JW Eatson, T Lichtenberg, RJ Parker… - Monthly Notices of the …, 2024 - academic.oup.com
Whilst the formation of Solar system planets is constrained by meteoritic evidence, the
geophysical history of low-mass exoplanets is much less clear. The bulk composition and …

Fitting thermal evolution models to the chronological record of erg chech 002 and modeling the ejection conditions of the meteorite

W Neumann, R Luther, M Trieloff… - The Planetary …, 2023 - iopscience.iop.org
The history of accretion and differentiation processes in the planetesimals is provided by
various groups of meteorites. Sampling different parent body layers, they reveal the …

Melt migration in rubble-pile planetesimals: Implications for the formation of primitive achondrites

Z Zhang, D Bercovici, LT Elkins-Tanton - Earth and Planetary Science …, 2023 - Elsevier
Primitive achondrites represent residual mantle material of planetesimals from which up to
20% partial melts were extracted. Melting experiments on chondritic compositions suggest …

Outgassing Composition of the Murchison Meteorite: Implications for Volatile Depletion of Planetesimals and Interior-atmosphere Connections for Terrestrial …

MA Thompson, M Telus, GH Edwards… - The Planetary …, 2023 - iopscience.iop.org
Outgassing is a central process during the formation and evolution of terrestrial planets and
their atmospheres both within and beyond the solar system. Although terrestrial planets' …

Igneous intrusion origin for the petrofabric of Erg Chech 002

C Beros, KT Tait, VE Di Cecco… - Meteoritics & Planetary …, 2024 - Wiley Online Library
Achondrites provide an opportunity to examine the igneous processes of differentiated
bodies in our solar system. The recent discovery of several silica‐rich achondrites suggests …