Low-temperature aqueous alteration of chondrites

MR Lee, CMOD Alexander, A Bischoff… - Space Science …, 2025 - Springer
Chondritic meteorites (chondrites) contain evidence for the interaction of liquid water with
the interiors of small bodies early in Solar System history. Here we review the processes …

[HTML][HTML] Linking asteroids and meteorites to the primordial planetesimal population

RC Greenwood, TH Burbine, IA Franchi - Geochimica et Cosmochimica …, 2020 - Elsevier
Meteorites provide a unique insight into early Solar System processes. However, to fully
interpret this record requires that these meteorites are related back to their source asteroids …

A history of mild shocks experienced by the regolith particles on hydrated asteroid Ryugu

N Tomioka, A Yamaguchi, M Ito, M Uesugi, N Imae… - Nature …, 2023 - nature.com
Micrometeorites, a possible major source of Earth's water, are thought to form from explosive
dispersal of hydrated chondritic materials during impact events on their parental asteroids …

Modal abundances of coarse-grained (> 5 μm) components within CI-chondrites and their individual clasts–Mixing of various lithologies on the CI parent body (ies)

J Alfing, M Patzek, A Bischoff - Geochemistry, 2019 - Elsevier
For the bulk rocks of CI chondrites, various values are given for the modal abundance of
matrix (95–100 vol%) and the accompanying mineral constituents. Here, we have …

Classification of CM chondrite breccias—Implications for the evaluation of samples from the OSIRIS‐REx and Hayabusa 2 missions

S Lentfort, A Bischoff, S Ebert… - Meteoritics & Planetary …, 2021 - Wiley Online Library
CM chondrites are complex impact (mostly regolith) breccias, in which lithic clasts show
various degrees of aqueous alteration. Here, we investigated the degree of alteration of …

[HTML][HTML] The old, unique C1 chondrite Flensburg–Insight into the first processes of aqueous alteration, brecciation, and the diversity of water-bearing parent bodies …

A Bischoff, CMOD Alexander, JA Barrat… - … et Cosmochimica Acta, 2021 - Elsevier
Abstract On September 12, 2019 at 12: 49: 48 (UT) a bolide was observed by hundreds of
eye-witnesses from the Netherlands, Germany, Belgium, Denmark and the UK. One day …

Experimentally induced thermal fatigue on lunar and eucrite meteorites—Influence of the mineralogy on rock breakdown

M Patzek, O Rüsch - Journal of Geophysical Research: Planets, 2022 - Wiley Online Library
Thermal fatigue has been proven to be of fundamental importance for the nature and
evolution of surfaces of airless bodies in the solar system. It is a rock erosive process acting …

Heterogeneous nature of the carbonaceous chondrite breccia Aguas Zarcas–Cosmochemical characterization and origin of new carbonaceous chondrite lithologies

I Kerraouch, Y Kebukawa, A Bischoff… - … et Cosmochimica Acta, 2022 - Elsevier
Abstract On April 23rd, 2019, the Aguas Zarcas meteorite fall occurred in Costa Rica.
Because the meteorite was quickly recovered, it contains valuable extraterrestrial materials …

[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 …

[HTML][HTML] Investigation of the porosity of L/LL4 ordinary chondrite Bjurböle using synchrotron radiation microtomography and scanning electron microscopy: Implications …

AJ Soini, IT Kukkonen, H Suhonen, B Lukić… - Physics of the Earth and …, 2023 - Elsevier
Porosity is an essential property of chondritic meteorites and is closely related to the
genesis, thermal evolution, metamorphism, and thermal properties of the meteorite parent …