Maxime Piralla
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View article: Potential Chronological Disturbance of the D’Orbigny Angrite Inferred from Discordant <sup>26</sup>Al Ages
Potential Chronological Disturbance of the D’Orbigny Angrite Inferred from Discordant <sup>26</sup>Al Ages Open
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 secondary processes and is thus key for studying the early sta…
View article: Iron Isotope Constraints on the Structure of the Early Solar System
Iron Isotope Constraints on the Structure of the Early Solar System Open
The recent advent of nontraditional isotopic systems has revealed that meteorites display a fundamental isotopic dichotomy between noncarbonaceous (NC) and carbonaceous (C) groups, which represent material from the inner and outer solar sy…
View article: A unified chronology of dust formation in the early solar system
A unified chronology of dust formation in the early solar system Open
International audience
View article: Reassessment of the age of the solar system and the chronology of chondrule formation
Reassessment of the age of the solar system and the chronology of chondrule formation Open
Chondrules, submillimetre igneous silicate spherules, are the most abundant high-temperature objects formed during the evolution of the circumsolar disk.The chronology of their formation remains however highly controversial.Absolute Pb-Pb …
View article: Oxygen isotope systematics of chondrules in Rumuruti chondrites: Formation conditions and genetic link with ordinary chondrites
Oxygen isotope systematics of chondrules in Rumuruti chondrites: Formation conditions and genetic link with ordinary chondrites Open
Rumurutiites (R chondrites) are rare, highly oxidized chondrites belonging to the noncarbonaceous superclan and characterized by low chondrule abundances. Although textural and chemical features of Rumurutiite chondrules resemble those of …
View article: Apatite halogen and hydrogen isotope constraints on the conditions of hydrothermal alteration in carbonaceous chondrites
Apatite halogen and hydrogen isotope constraints on the conditions of hydrothermal alteration in carbonaceous chondrites Open
Apatite has been widely used for assessing the volatile inventory and hydrothermal fluid compositions of asteroidal and planetary bodies. We report the OH, F, and Cl abundances, as well as the hydrogen isotope composition, of apatite in th…
View article: Origin of isolated olivine grains in carbonaceous chondrites
Origin of isolated olivine grains in carbonaceous chondrites Open
We report microscopic, cathodoluminescence, chemical, and O isotopic measurements of FeO‐poor isolated olivine grains (IOG) in the carbonaceous chondrites Allende (CV3), Northwest Africa 5958 (C2‐ung), Northwest Africa 11086 (CM2‐an), and …
View article: Rapid condensation of the first Solar System solids
Rapid condensation of the first Solar System solids Open
Chondritic meteorites are composed of primitive components formed during the evolution of the Solar protoplanetary disk. The oldest of these components formed by condensation, yet little is known about their formation mechanism because of …
View article: Thermal Evolution of Hydrated Asteroids Inferred from Oxygen Isotopes
Thermal Evolution of Hydrated Asteroids Inferred from Oxygen Isotopes Open
International audience