Refractory inclusions in carbonaceous chondrites: Records of early solar system processes

AN Krot - Meteoritics & Planetary Science, 2019 - Wiley Online Library
Chondrites consist of three major components: refractory inclusions (Ca, Al‐rich inclusions
[CAI s] and amoeboid olivine aggregates), chondrules, and matrix. Here, I summarize recent …

Chondrule-like objects and Ca-Al-rich inclusions in Ryugu may potentially be the oldest Solar System materials

D Nakashima, T Nakamura, M Zhang, NT Kita… - Nature …, 2023 - nature.com
Chondrule-like objects and Ca-Al-rich inclusions (CAIs) are discovered in the retuned
samples from asteroid Ryugu. Here we report results of oxygen isotope, mineralogical, and …

Short-lived nuclides in the early solar system: abundances, origins, and applications

AM Davis - Annual Review of Nuclear and Particle Science, 2022 - annualreviews.org
Several short-lived radionuclides (SLRs) were present in the first few million years of Solar
System history. Their abundances have profound impact on the timing of stellar …

Titanium isotopes and rare earth patterns in CAIs: Evidence for thermal processing and gas-dust decoupling in the protoplanetary disk

AM Davis, J Zhang, ND Greber, J Hu, FLH Tissot… - … et Cosmochimica Acta, 2018 - Elsevier
Titanium isotopic compositions (mass-dependent fractionation and isotopic anomalies) were
measured in 46 calcium-, aluminum-rich inclusions (CAIs) from the Allende CV chondrite …

In situ 87 Rb–87 Sr analyses of terrestrial and extraterrestrial samples by LA-MC-ICP-MS/MS with double Wien filter and collision cell technologies

N Dauphas, T Hopp, G Craig, ZJ Zhang… - Journal of Analytical …, 2022 - pubs.rsc.org
The advent of double-Wien filter-selection-aperture and hexapole-collision-cell technologies
coupled to laser ablation multicollector inductively coupled plasma mass spectrometry (LA …

A link between oxygen, calcium and titanium isotopes in 26Al-poor hibonite-rich CAIs from Murchison and implications for the heterogeneity of dust reservoirs in the …

L Kööp, AM Davis, D Nakashima, C Park… - … et Cosmochimica Acta, 2016 - Elsevier
PLACs (platy hibonite crystals) and related hibonite-rich calcium-, aluminum-rich inclusions
(CAIs; hereafter collectively referred to as PLAC-like CAIs) have the largest nucleosynthetic …

Equilibrium inter-mineral titanium isotope fractionation: Implication for high-temperature titanium isotope geochemistry

W Wang, S Huang, F Huang, X Zhao, Z Wu - Geochimica et Cosmochimica …, 2020 - Elsevier
Equilibrium Ti isotope fractionation factors among major Ti-bearing minerals are critical for
understanding Ti isotope fractionation during magmatic processes. We use the first …

A long duration of the 16O-rich reservoir in the solar nebula, as recorded in fine-grained refractory inclusions from the least metamorphosed carbonaceous chondrites

T Ushikubo, TJ Tenner, H Hiyagon, NT Kita - Geochimica et Cosmochimica …, 2017 - Elsevier
Oxygen isotope ratios and corresponding 26 Al–26 Mg isotope systematics of refractory
inclusions from the least metamorphosed carbonaceous chondrites, Acfer 094 (C …

Titanium and chromium isotopic compositions of calcium-aluminum-rich inclusions: Implications for the sources of isotopic anomalies and the formation of distinct …

ZA Torrano, GA Brennecka, CM Mercer… - … et Cosmochimica Acta, 2023 - Elsevier
As the earliest-dated solids in our Solar System, calcium-aluminum-rich inclusions (CAIs)
provide a record of their formation environment near the young Sun and hold clues to the …

Uniform initial 10Be/9Be inferred from refractory inclusions in CV3, CO3, CR2, and CH/CB chondrites

ET Dunham, M Wadhwa, SJ Desch, MC Liu… - … et Cosmochimica Acta, 2022 - Elsevier
Short-lived radionuclides (SLRs) once present in the solar nebula can be used as probes of
the formation environment of our Solar System within the Milky Way Galaxy. The first-formed …