Chondrule properties and formation conditions
Chondrules are iconic sub-millimeter spheroids representing the most abundant high-
temperature dust formed during the evolution of the circumsolar disk. Chondrules have been …
temperature dust formed during the evolution of the circumsolar disk. Chondrules have been …
The last generation of nebular chondrules possibly sampled in the CH/CBb chondrite Isheyevo
Among carbonaceous chondrites, the chondrules of CB and CH stand out by being
dominated by skeletal barred olivine and cryptocrystalline textures. These non-porphyritic …
dominated by skeletal barred olivine and cryptocrystalline textures. These non-porphyritic …
Forging inner-disk Al-rich chondrules by interactions of CAI-like melt and ambient gas
The mechanism of gas-melt interactions and the compositions of precursors are key to
understanding the formation of chondrules. To shed light on the two enigmas, we studied the …
understanding the formation of chondrules. To shed light on the two enigmas, we studied the …
[HTML][HTML] An experimental simulation of oxygen isotope exchange reaction between amorphous silicate dust and carbon monoxide gas in the early Solar System
D Yamamoto, N Kawasaki, S Tachibana… - … et Cosmochimica Acta, 2024 - Elsevier
The reaction mechanism and kinetics of oxygen isotope exchange between tens of
nanometer-sized amorphous silicate grains with forsterite composition (amorphous …
nanometer-sized amorphous silicate grains with forsterite composition (amorphous …
[HTML][HTML] Formation and evolution of a protoplanetary disk: Combining observations, simulations, and cosmochemical constraints
A Morbidelli, Y Marrocchi, AA Ahmad… - Astronomy & …, 2024 - aanda.org
Context. The formation and evolution of protoplanetary disks remains elusive. We have
numerous astronomical observations of young stellar objects of different ages with their …
numerous astronomical observations of young stellar objects of different ages with their …
Potential Chronological Disturbance of the D'Orbigny Angrite Inferred from Discordant 26Al Ages
Angrites originate from the early-formed differentiated angrite parent body. The pristine
volcanic angrite D'Orbigny is devoid of brecciation, shock effects, or any evidence of …
volcanic angrite D'Orbigny is devoid of brecciation, shock effects, or any evidence of …
Abundance, sizes, and major element compositions of components in CR and LL chondrites: formation from single reservoirs
Abundances, apparent sizes, and individual chemical compositions of chondrules, refractory
inclusions, other objects, and surrounding matrix have been determined for Semarkona …
inclusions, other objects, and surrounding matrix have been determined for Semarkona …
Oxygen isotope study of the Asuka-881020 CH chondrite II: Porphyritic chondrules
Oxygen isotope ratios and elemental compositions of porphyritic chondrules and olivine and
pyroxene fragments in the Asuka-881020 CH chondrite were analyzed. The oxygen isotope …
pyroxene fragments in the Asuka-881020 CH chondrite were analyzed. The oxygen isotope …