Bright carbonate veins on asteroid (101955) Bennu: Implications for aqueous alteration history

HH Kaplan, DS Lauretta, AA Simon, VE Hamilton… - Science, 2020 - science.org
INTRODUCTION Carbonaceous asteroids formed early in Solar System history and
experienced varying degrees of aqueous (water-rock) and thermal alteration. Most models …

Evolution of organic matter in Orgueil, Murchison and Renazzo during parent body aqueous alteration: In situ investigations

C Le Guillou, S Bernard, AJ Brearley… - … et Cosmochimica Acta, 2014 - Elsevier
Chondrites accreted the oldest solid materials in the solar system including dust processed
in the protoplanetary disk and diverse organic compounds. After accretion, asteroidal …

The abundance and stability of “water” in type 1 and 2 carbonaceous chondrites (CI, CM and CR)

A Garenne, P Beck, G Montes-Hernandez… - … et Cosmochimica Acta, 2014 - Elsevier
Carbonaceous chondrites record processes of aqueous alteration in the presence of
hydrated and hydroxylated minerals, which could have provided a source of water in the …

Origin of hydrogen isotopic variations in chondritic water and organics

L Piani, Y Marrocchi, LG Vacher, H Yurimoto… - Earth and Planetary …, 2021 - Elsevier
Chondrites are rocky fragments of asteroids that formed at different times and heliocentric
distances in the early solar system. Most chondrite groups contain water-bearing minerals …

[HTML][HTML] Aragonite, breunnerite, calcite and dolomite in the CM carbonaceous chondrites: High fidelity recorders of progressive parent body aqueous alteration

MR Lee, P Lindgren, MR Sofe - Geochimica et Cosmochimica Acta, 2014 - Elsevier
Carbonate minerals in CM carbonaceous chondrite meteorites, along with the silicates and
sulphides with which they are intergrown, provide a detailed record of the nature and …

[HTML][HTML] Clumped isotope and Δ17O measurements of carbonates in CM carbonaceous chondrites: New insights into parent body thermal and fluid evolution

M Clog, P Lindgren, S Modestou, A McDonald… - … et Cosmochimica Acta, 2024 - Elsevier
The CM carbonaceous chondrites are key archives for understanding the earliest history of
the solar system. Their C-complex asteroid parent body (ies) underwent aqueous alteration …

Twinned calcite as an indicator of high differential stresses and low shock pressure conditions during impact cratering

L Seybold, CA Trepmann, S Hölzl… - … & Planetary Science, 2023 - Wiley Online Library
Shock‐related calcite twins are characterized in calcite‐bearing metagranite cataclasites
within crystalline megablocks of the Ries impact structure, Germany, as well as in cores from …

Collisional facilitation of aqueous alteration of CM and CV carbonaceous chondrites

AE Rubin - Geochimica et Cosmochimica Acta, 2012 - Elsevier
CM chondrites exhibit a strong correlation between the degree of alteration and the extent of
particle alignment (ie, the strength of the petrofabric). It seems likely that the S1 shock stage …

A Spectral Investigation of Aqueously and Thermally Altered CM, CM‐An, and CY Chondrites Under Simulated Asteroid Conditions for Comparison With OSIRIS‐REx …

HC Bates, KL Donaldson Hanna… - Journal of …, 2021 - Wiley Online Library
Volatile‐rich asteroids are crucial to understanding the transport of water and organics to the
terrestrial planet forming region in the early Solar System. Observations of two such …

[HTML][HTML] The paradox between low shock-stage and evidence for compaction in CM carbonaceous chondrites explained by multiple low-intensity impacts

P Lindgren, RD Hanna, KJ Dobson… - … et Cosmochimica Acta, 2015 - Elsevier
Petrographic analysis of eight CM carbonaceous chondrites (EET 96029, LAP 031166, LON
94101, MET 01072, Murchison, Murray, SCO 06043, QUE 93005) by electron imaging and …