Nanoscale mineralogy and organic structure in Orgueil (CI) and EET 92042 (CR) carbonaceous chondrites studied with AFM‐IR spectroscopy
Meteorite matrices from primitive chondrites are an interplay of ingredients at the sub‐µm
scale, which requires analytical techniques with the nanometer spatial resolution to decipher …
scale, which requires analytical techniques with the nanometer spatial resolution to decipher …
Comparison of FT‐IR spectra of bulk and acid insoluble organic matter in chondritic meteorites: An implication for missing carbon during demineralization
Y Kebukawa, CMOD Alexander… - Meteoritics & Planetary …, 2019 - Wiley Online Library
Past studies of the various separable carbonaceous fractions have been unable to account
for all of C in primitive chondrites. In particular, up to 20–50% of the C is lost during acid …
for all of C in primitive chondrites. In particular, up to 20–50% of the C is lost during acid …
The insoluble carbonaceous material of CM chondrites as possible source of discrete organics during the asteroidal aqueous phase
The larger portion of the organic carbon in carbonaceous chondrites (CC) is present as a
complex and heterogeneous macromolecular material that is insoluble in acids and most …
complex and heterogeneous macromolecular material that is insoluble in acids and most …
Compositional heterogeneity of insoluble organic matter extracted from asteroid Ryugu samples
E Quirico, L Bonal, Y Kebukawa… - … & Planetary Science, 2024 - Wiley Online Library
We report a Fourier transform infrared analysis of functional groups in insoluble organic
matter (IOM) extracted from a series of 100–500 μm Ryugu grains collected during the two …
matter (IOM) extracted from a series of 100–500 μm Ryugu grains collected during the two …
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 …
in the protoplanetary disk and diverse organic compounds. After accretion, asteroidal …
The origin and evolution of chondrites recorded in the elemental and isotopic compositions of their macromolecular organic matter
Extraterrestrial organic matter in meteorites potentially retains a unique record of synthesis
and chemical/thermal modification by parent body, nebular and even presolar processes. In …
and chemical/thermal modification by parent body, nebular and even presolar processes. In …
Diversity of complex organic matter in carbonaceous chondrites, IDPs, and UCAMMs
BT De Gregorio, C Engrand - Elements, 2024 - pubs.geoscienceworld.org
Complex organic matter is present in many extraterrestrial materials such as chondrite
meteorites, micrometeorites, and interplanetary dust. The observed complexity of this …
meteorites, micrometeorites, and interplanetary dust. The observed complexity of this …
Paris vs. Murchison: Impact of hydrothermal alteration on organic matter in CM chondrites
Unravelling the origin of organic compounds that were accreted into asteroids requires
better constraining the impact of asteroidal hydrothermal alteration on their isotopic …
better constraining the impact of asteroidal hydrothermal alteration on their isotopic …
Influence of phyllosilicates on the hydrothermal alteration of organic matter in asteroids: Experimental perspectives
V Vinogradoff, C Le Guillou, S Bernard… - … et Cosmochimica Acta, 2020 - Elsevier
The origin of the diverse organic compounds present in carbonaceous chondrites (CC)
remains uncertain. We aim at investigating the role that hydrothermal alteration may have …
remains uncertain. We aim at investigating the role that hydrothermal alteration may have …
Mid-infrared study of the molecular structure variability of insoluble organic matter from primitive chondrites
Insoluble Organic Matter (IOM) found in primitive meteorites was formed in the Early Solar
System and subsequently processed on the parent asteroids. The location, temporal …
System and subsequently processed on the parent asteroids. The location, temporal …