[HTML][HTML] Chondrule-like objects and Ca-Al-rich inclusions in Ryugu may potentially be the oldest Solar System materials
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 …
samples from asteroid Ryugu. Here we report results of oxygen isotope, mineralogical, and …
[HTML][HTML] Triple oxygen isotope measurements by multi-collector secondary ion mass spectrometry
N Bouden, J Villeneuve, Y Marrocchi… - Frontiers in Earth …, 2021 - frontiersin.org
Secondary ion mass spectrometry (SIMS) is a powerful technique for in situ triple oxygen
isotope measurements that has been used for more than 30 years. Since pioneering works …
isotope measurements that has been used for more than 30 years. Since pioneering works …
[HTML][HTML] Is there a genetic relationship between chondrules and matrix?
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 …
help us understand the evolution and dynamics of the protoplanetary disk from which the …
A temporal shift of chondrule generation from the inner to outer Solar System inferred from oxygen isotopes and Al-Mg chronology of chondrules from primitive CM and …
Deciphering the spatial and temporal evolution of chondrules allows for a better
understanding of how asteroidal seeds formed, migrated, and eventually accreted into …
understanding of how asteroidal seeds formed, migrated, and eventually accreted into …
[HTML][HTML] Early evolution of the solar accretion disk inferred from Cr-Ti-O isotopes in individual chondrules
Isotopic anomalies in chondrules hold important clues about the dynamics of mixing and
transport processes in the solar accretion disk. The meaning of these anomalies is debated …
transport processes in the solar accretion disk. The meaning of these anomalies is debated …
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 …
(CV3) by combined high-resolution X-ray mapping, quantitative electron microprobe …
Isotopic evolution of the inner solar system revealed by size-dependent oxygen isotopic variations in chondrules
Y Marrocchi, A Longeau, RL Goupil, V Dijon… - … et Cosmochimica Acta, 2024 - Elsevier
The systematic isotopic difference between refractory inclusions and chondrules, particularly
for oxygen, has long indicated an isotopic evolution of the solar protoplanetary disk …
for oxygen, has long indicated an isotopic evolution of the solar protoplanetary disk …
16O-rich anhydrous silicates in CI chondrites: Implications for the nature and dynamics of dust in the solar accretion disk
CI chondrites have nonvolatile chemical compositions closely resembling that of the Sun's
photosphere and are thus considered to have the most primitive compositions of all known …
photosphere and are thus considered to have the most primitive compositions of all known …
Origin of isolated olivine grains in carbonaceous chondrites
We report microscopic, cathodoluminescence, chemical, and O isotopic measurements of
FeO‐poor isolated olivine grains (IOG) in the carbonaceous chondrites Allende (CV3) …
FeO‐poor isolated olivine grains (IOG) in the carbonaceous chondrites Allende (CV3) …
Conditions of chondrule formation in ordinary chondrites
Chondrules are sub-millimetric spheroids that are ubiquitous in chondrites and whose
formation mechanism remains elusive. Textural and oxygen isotopic characteristics of …
formation mechanism remains elusive. Textural and oxygen isotopic characteristics of …