Magnetite in CI Carbonaceous Meteorites: Origin by Aqueous Activity on a Planetesimal Surface
- 27 July 1979
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 205 (4404) , 395-397
- https://doi.org/10.1126/science.205.4404.395
Abstract
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.Keywords
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