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Qidong (meteorite) : ウィキペディア英語版 | Qidong (meteorite)
Qidong is a L/LL5-an chondrite meteorite fallen in 1982 in China. After detonation a single individual specimen was found in the field. Other circumstances of fall and recovery were not reported.〔 ==Composition and classification== This meteorite is intermediate between L and LL ordinary chondrites, possibly indicating formation on a separate parent body.〔Kallemeyn G. W., Rubin A. E., Wang D., and Wasson J. T. ''Ordinary chondrites: Bulk compositions, classification, lithophile-element fractionations, and composition-petrographic type relationships.'' 1989, Geochim. Cosmochim. Acta, 53, 2747–2767.〕 Its fayalite, ferrosilite place this stone at the extreme higher end of L chondrites, the metal content is typical of LL chondrites and the Co abundance in matrix kamacite (15 mg/g) is at the extreme lower end of LL chondrites.
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