Abstract

Insoluble organic matter (IOM) dominates the HF/HC1 residue of the Orgueil (CI) carbonaceous chondrite meteorite. The IOM is composed primarily of two C-rich particle types. The first has a fluffy texture similar to crumpled tissue paper, and the second type occurs as solid or hollow nanospheres. High-resolution transmission electron microscope (HRTEM) images of the fluffy material show it is poorly ordered, with small, irregularly shaped regions having fringes with 0.34-0.38 nm spacings and locally 0.21 nm cross-fringes. Nanodiamonds occur in the fluffy material. The rounded C-rich particles are common in the residue and their HRTEM images show neither fringes nor nanodiamonds. Both types of carbonaceous materials have a high aromatic component, as revealed by electron energy-loss spectroscopy (EELS), with up to 10 at% substitution by S, N, and O. The average compositions of the fluffy material and nanospheres are C100S1.9N3.7 O4.9 and C100S2.4N5.0 O3.9, respectively. The structural and chemical heterogeneity of the carbonaceous materials may represent material from multiple sources.

Original languageEnglish (US)
Pages (from-to)633-642
Number of pages10
JournalMeteoritics and Planetary Science
Volume41
Issue number4
StatePublished - Apr 2006

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carbonaceous materials
carbonaceous chondrites
carbonaceous chondrite
meteorites
meteorite
electron microscopes
acids
acid
high resolution
hollow
textures
energy dissipation
spacing
electron energy
substitutes
electron
spectroscopy
organic matter
material
substitution

ASJC Scopus subject areas

  • Geophysics

Cite this

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title = "Carbonaceous materials in the acid residue from the Orgueil carbonaceous chondrite meteorite",
abstract = "Insoluble organic matter (IOM) dominates the HF/HC1 residue of the Orgueil (CI) carbonaceous chondrite meteorite. The IOM is composed primarily of two C-rich particle types. The first has a fluffy texture similar to crumpled tissue paper, and the second type occurs as solid or hollow nanospheres. High-resolution transmission electron microscope (HRTEM) images of the fluffy material show it is poorly ordered, with small, irregularly shaped regions having fringes with 0.34-0.38 nm spacings and locally 0.21 nm cross-fringes. Nanodiamonds occur in the fluffy material. The rounded C-rich particles are common in the residue and their HRTEM images show neither fringes nor nanodiamonds. Both types of carbonaceous materials have a high aromatic component, as revealed by electron energy-loss spectroscopy (EELS), with up to 10 at{\%} substitution by S, N, and O. The average compositions of the fluffy material and nanospheres are C100S1.9N3.7 O4.9 and C100S2.4N5.0 O3.9, respectively. The structural and chemical heterogeneity of the carbonaceous materials may represent material from multiple sources.",
author = "Laurence Garvie and Buseck, {P R}",
year = "2006",
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pages = "633--642",
journal = "Meteoritics and Planetary Science",
issn = "1086-9379",
publisher = "The University of Arkansas Press",
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T1 - Carbonaceous materials in the acid residue from the Orgueil carbonaceous chondrite meteorite

AU - Garvie, Laurence

AU - Buseck, P R

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N2 - Insoluble organic matter (IOM) dominates the HF/HC1 residue of the Orgueil (CI) carbonaceous chondrite meteorite. The IOM is composed primarily of two C-rich particle types. The first has a fluffy texture similar to crumpled tissue paper, and the second type occurs as solid or hollow nanospheres. High-resolution transmission electron microscope (HRTEM) images of the fluffy material show it is poorly ordered, with small, irregularly shaped regions having fringes with 0.34-0.38 nm spacings and locally 0.21 nm cross-fringes. Nanodiamonds occur in the fluffy material. The rounded C-rich particles are common in the residue and their HRTEM images show neither fringes nor nanodiamonds. Both types of carbonaceous materials have a high aromatic component, as revealed by electron energy-loss spectroscopy (EELS), with up to 10 at% substitution by S, N, and O. The average compositions of the fluffy material and nanospheres are C100S1.9N3.7 O4.9 and C100S2.4N5.0 O3.9, respectively. The structural and chemical heterogeneity of the carbonaceous materials may represent material from multiple sources.

AB - Insoluble organic matter (IOM) dominates the HF/HC1 residue of the Orgueil (CI) carbonaceous chondrite meteorite. The IOM is composed primarily of two C-rich particle types. The first has a fluffy texture similar to crumpled tissue paper, and the second type occurs as solid or hollow nanospheres. High-resolution transmission electron microscope (HRTEM) images of the fluffy material show it is poorly ordered, with small, irregularly shaped regions having fringes with 0.34-0.38 nm spacings and locally 0.21 nm cross-fringes. Nanodiamonds occur in the fluffy material. The rounded C-rich particles are common in the residue and their HRTEM images show neither fringes nor nanodiamonds. Both types of carbonaceous materials have a high aromatic component, as revealed by electron energy-loss spectroscopy (EELS), with up to 10 at% substitution by S, N, and O. The average compositions of the fluffy material and nanospheres are C100S1.9N3.7 O4.9 and C100S2.4N5.0 O3.9, respectively. The structural and chemical heterogeneity of the carbonaceous materials may represent material from multiple sources.

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