Hydrogen isotope abundances in the solar system. I - Unequilibrated chondrites. II - Meteorites with terrestrial-like D/H ratio

Details Hydrogen isotope abundances in the solar system. I - Unequilibrated chondrites. II - Meteorites with terrestrial-like D/H ratio Hydrogen isotope abundances in the solar system. I - Unequilibrated chondrites. II - Meteorites with terrestrial-like D/H ratio

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987gecoa..51.1787r&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 51, July 1987, p. 1787-1805, 1807-1822. CNRS-CEA-supported research.

Computer Science

11

Chondrites, Cosmochemistry, Hydrogen Isotopes, Meteoritic Composition, Solar System, Chemical Evolution, Chondrule, Concentration (Composition), Deuterium, Temperature Dependence, Meteorites, Stony Meteorites, Chondrites, Hydrogen, Samples, Meteorite, Hydrogen, Isotopes, Abundance, Concentration, Equilibration, Ngawi, Ordinary Chondrites, Chainpur, Bishunpur, Ll Chondrites, Thermal Effects, Mixing, Laboratory Studies, Solar System, Equipment, Diagrams, Orgueil, Ci Chondrites, Mass Spectrometry, Procedure, T

Scientific paper

A detailed laboratory study of hydrogen isotopes in deuterium-rich meteorites is described. Three specific problems will be examined. The first problem is to establish the nature (organic or inorganic) of the deuterium-rich phase. The second problem is to evaluate the isotopic composition of the deuterium-rich component, free of any addition of terrestrial or indigeneous light hydrogen. The third problem is related to the second. The distribution of deuterium within a single meteorite seems to be variable at a small scale. By determining the δD of the deuterium-rich component(s), the authors tried to determine whether these variations are indigeneous to the meteorite or due to differences in the intensity of terrestrial contamination.

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