Magnetite in CI carbonaceous meteorites - Origin by aqueous activity on a planetesimal surface

Details Magnetite in CI carbonaceous meteorites - Origin by aqueous activity on a planetesimal surface Magnetite in CI carbonaceous meteorites - Origin by aqueous activity on a planetesimal surface

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979sci...205..395k&link_type=abstract

Science, vol. 205, July 27, 1979, p. 395-397.

Computer Science

26

Carbonaceous Meteorites, Magnetite, Meteoritic Composition, Protoplanets, Radioactive Age Determination, Crystallization, Iodine Isotopes, Iron Oxides, Nebulae, Stellar Evolution, Water, Xenon Isotopes, Meteorites, Carbonaceous Chondrites, C1 Chondrites, Magnetite, Origin, Parent Bodies, Ages, Dating Techniques, Iodine, Electron Microscopy, Xenon, Orgueil Meteorite, Alais Meteorite, Ivuna Meteorite, Morphology

Scientific paper

The composition and morphology of magnetite in CI carbonaceous meteorites appear incompatible with a nebular origin. Mineralization on the meteorite parent body is a more plausible mode of formation. The iodine-xenon age of this material therefore dates an episode of secondary mineralization on a planetesimal rather than the epoch of condensation in the primitive solar nebula.

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