GEOCHEMICAL JOURNAL
Online ISSN : 1880-5973
Print ISSN : 0016-7002
ISSN-L : 0016-7002
40K-39K ratio of cubic diamond from Zaire
Tasuku AkagiAkimasa Masuda
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1988 Volume 22 Issue 2 Pages 81-82

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Abstract
No anomaly was observed in the isotopic composition of potassium in the Zaire cubic diamonds, which show a K-Ar isochron-like relationship corresponding to 6.0 Gyr (Zashu et al., 1986).
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© Geochemical Society of Japan
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