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Separation of noble gas carrier in primitive meteorites using ultra centrifugation

Osawa, Takahito ; Nagao, Keisuke*; Ono, Masao 

Primordial trapped noble gas component in primitive chondrites is concentrated in phase Q. We tried to separate phase Q from a carbonaceous chondrite using ultra-centrifugation. Noble gases are concentrated in a heavy fraction, showing that phase Q may be heavy carbonaceous materials or heavy particles attached to carbonaceous materials.



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