On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspective

E Nakamura, K Kobayashi, R Tanaka… - Proceedings of the …, 2022 - jstage.jst.go.jp
Presented here are the observations and interpretations from a comprehensive analysis of
16 representative particles returned from the C-type asteroid Ryugu by the Hayabusa2 …

Thermal alteration of CM carbonaceous chondrites: Mineralogical changes and metamorphic temperatures

AJ King, PF Schofield, SS Russell - Geochimica et Cosmochimica Acta, 2021 - Elsevier
The CM carbonaceous chondrite meteorites provide a record of low temperature (< 150° C)
aqueous reactions in the early solar system. A number of CM chondrites also experienced …

[HTML][HTML] In-situ phosphate U-Pb ages of the L chondrites

CR Walton, H Jeon, A Černok, ASP Rae… - … et Cosmochimica Acta, 2023 - Elsevier
The thermal history of asteroids is recorded by the radioisotopic ages of meteorites that
derive from them. Radioisotopic ages may date a number of events, such as the cooling of a …

Near-Earth stream decoherence revisited: the limits of orbital similarity

PM Shober, A Courtot, J Vaubaillon - Astronomy & Astrophysics, 2025 - aanda.org
Context. Orbital similarity measures, such as the D values, have been extensively used in
meteor science to identify meteoroid streams and associate meteorite falls with near-Earth …

Influence of hydrothermal asteroidal conditions on the molecular structure and isotopic compositions of polycyclic aromatic hydrocarbons

M Lecasble, S Bernard, JC Viennet, I Criouet… - Icarus, 2023 - Elsevier
A variety of polycyclic aromatic hydrocarbons (PAHs) are reported in carbonaceous
chondrites (CCs) and in the interstellar medium (ISM). Although PAHs in CCs are not as …

Mo isotope evidence for evaporation loss of volatiles in CKs, and implications for external heating sources of the CK metamorphism

Y Zhang, L Qin - Earth and Planetary Science Letters, 2024 - Elsevier
Thermal metamorphism for asteroids influences their structures and chemical compositions.
As the only CCs with the petrologic type of 3-6, their metamorphis history and heat sources …

Cosmic‐ray exposure age accumulated in near‐Earth space: A carbonaceous chondrite case study

PM Shober, MW Caffee… - Meteoritics & Planetary …, 2024 - Wiley Online Library
This study investigates the expected cosmic‐ray exposure (CRE) of meteorites if they were
to be ejected by a near‐Earth object, that is, from an object already transferred to an Earth …

The ice-organic-silicate contents of small Solar system bodies: indicators for a comet to asteroid evolutionary pathway

C Potiszil, R Tanaka, E Nakamura - Monthly Notices of the Royal …, 2022 - academic.oup.com
Comets and asteroids have traditionally been separated categories, but main belt comets
skew this view, portraying a possible intermediate stage between these two end members …

The astrophysical context of collision processes in meteorites

Y Marrocchi, M Delbo, M Gounelle - 2021 - Wiley Online Library
Chondrites are leftover solids from the early evolution of the solar protoplanetary disk that
never experienced melting since their formation. They comprise unequilibrated …

Ancient and recent collisions revealed by phosphate minerals in the Chelyabinsk meteorite

CR Walton, O Shorttle, S Hu, ASP Rae… - … Earth & Environment, 2022 - nature.com
The collision history of asteroids is an important archive of inner Solar System evolution.
Evidence for these collisions is brought to Earth by meteorites. However, as meteorites often …