Chondrule properties and formation conditions

Y Marrocchi, RH Jones, SS Russell, DC Hezel… - Space Science …, 2024 - Springer
Chondrules are iconic sub-millimeter spheroids representing the most abundant high-
temperature dust formed during the evolution of the circumsolar disk. Chondrules have been …

Is there a genetic relationship between chondrules and matrix?

EMME van Kooten, A Brearley, DS Ebel… - Space Science …, 2024 - Springer
Chondritic components such as chondrules and matrix are the key time capsules that can
help us understand the evolution and dynamics of the protoplanetary disk from which the …

Quantitative models for the elemental and isotopic fractionations in chondrites: The carbonaceous chondrites

CMOD Alexander - Geochimica et Cosmochimica Acta, 2019 - Elsevier
A quantitative understanding of the elemental and isotopic fractionations recorded in the
compositions of the chondritic meteorites would provide fundamental constraints for …

Hf-W chronology of CR chondrites: Implications for the timescales of chondrule formation and the distribution of 26Al in the solar nebula

G Budde, TS Kruijer, T Kleine - Geochimica et Cosmochimica Acta, 2018 - Elsevier
Renazzo-type carbonaceous (CR) chondrites are distinct from most other chondrites in
having younger chondrule 26 Al-26 Mg ages, but the significance of these ages and whether …

Formation of CV chondrules by recycling of amoeboid olivine aggregate-like precursors

Y Marrocchi, R Euverte, J Villeneuve… - … et Cosmochimica Acta, 2019 - Elsevier
We have studied porphyritic olivine-rich chondrules of the carbonaceous chondrite Kaba
(CV3) by combined high-resolution X-ray mapping, quantitative electron microprobe …

Origin of isolated olivine grains in carbonaceous chondrites

E Jacquet, M Piralla, P Kersaho… - Meteoritics & Planetary …, 2021 - Wiley Online Library
We report microscopic, cathodoluminescence, chemical, and O isotopic measurements of
FeO‐poor isolated olivine grains (IOG) in the carbonaceous chondrites Allende (CV3) …

Iron isotope constraints on the structure of the early solar system

Y Marrocchi, M Piralla, FLH Tissot - The Astrophysical Journal …, 2023 - iopscience.iop.org
The recent advent of nontraditional isotopic systems has revealed that meteorites display a
fundamental isotopic dichotomy between noncarbonaceous (NC) and carbonaceous (C) …

Collisions and compositional variability in chondrule-forming events

E Jacquet - Geochimica et Cosmochimica Acta, 2021 - Elsevier
Compound chondrules, ie chondrules fused together, make a powerful probe of the density
and compositional diversity in chondrule-forming environments, but their abundance among …

Particle size distributions in chondritic meteorites: Evidence for pre-planetesimal histories

JI Simon, JN Cuzzi, KA McCain, MJ Cato… - Earth and Planetary …, 2018 - Elsevier
Magnesium-rich silicate chondrules and calcium-, aluminum-rich refractory inclusions (CAIs)
are fundamental components of primitive chondritic meteorites. It has been suggested that …

Trace element geochemistry of ordinary chondrite chondrules: The type I/type II chondrule dichotomy

E Jacquet, O Alard, M Gounelle - Geochimica et Cosmochimica Acta, 2015 - Elsevier
We report trace element concentrations of silicate phases in chondrules from LL3 ordinary
chondrites Bishunpur and Semarkona. Results are similar to previously reported data for …