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Organic Matter in Meteorites: Molecular and Isotopic Analyses of the Murchison Meteorite by John R. Cronin; Sherwood Chang is a book available to read on EtoBox.

What is Organic Matter in Meteorites: Molecular and Isotopic Analyses of the Murchison Meteorite about?

Carbonaceous chondrites comprise a unique subset of meteorites. Two classes of carbonaceous chondrites, the so-called CIl and CM2 chondrites, are particularly interesting, in part because of their relatively high carbon content and the fact that most of this carbon is present as organic matter. This material is largely macromolecular but also contains a complex mixture of organic compounds that include carboxylic acids, dicarboxylic acids, amino acids, hydroxy acids, sulfonic acids, phosphonic acids, amines, amides, nitrogen heterocycles including purines and a pyrimidine, alcohols, carbonyl compounds, and aliphatic, aromatic, and polar hydrocarbons. The organic-rich CII and CM2 chondrites also contain an extensive clay mineralogy and other minerals that are believed to be indicative of an early episode of hydrous activity in the meteorite parent body. Recent stable isotope measurements have shown the organic matter in general, to be substantially enriched in deuterium and the discrete organic compounds to be enriched in N and somewhat enriched in 13C relative to terrestrial matter. These findings suggest that the organic matter is comprised of, or is closely related to, interstell

Author

John R. Cronin; Sherwood Chang

Publisher

Springer Netherlands : Imprint : Springer

Published

1993

Language

EN

ISBN

9780792325178

Subjects

Science, Chemistry, Astronomy