NANOSIMS MAPPING OF ORGANIC MATTER IN ORGUEIL AND TAGISH LAKE CARBONACEOUS CHONDRITES: NEW DATA ON THE RELATIONSHIPS WITH THE MINERAL MATRIX. L. Remusat,
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Organic Constituents in Carbonaceous Chondrites; Evidence for Preservation of Pristine Particles of Mixed Origins
Introduction: Carbonaceous chondrites are primitive meteorites that have sampled the oldest conden-sates of the solar system. They have accreted components of various origins: CAIs (also known as refrac-tory inclusions), chondrules, ice, noble gases and or-ganics. Radioactive decay of short lived radionucleides quickly heated these parent bodies and drove thermal metamorphism and aqueous altera...
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