A terrestrial origin for sulfate veins in CI1 chondrites
作者： Matthieu Gounelle , Michael E. Zolensky
DOI: 10.1111/J.1945-5100.2001.TB01827.X
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摘要: — White sulfate veins are a very well-known petrological feature of the chemically primitive CI1 carbonaceous chondrites. Sulfate were first described in Orgueil meteorite 1961, almost one century after its fall. However, we have observed such to form easily during typical sample storage. We suggest that all formed terrestrial residence these heavily brecciated, porous stones. Reacting with atmospheric water, sulfates originally present meteorites dissolved and remobilized, and/or sulfides oxidised, filling many open spaces offered them by rock. chondrites can no longer be used as evidence late-stage oxidation event parent body, or centimeter-scale fluid transport on asteroid.
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