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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
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Published for geochemistry community from Geochemical Society of Japan.

Mineral/groundmass partition coefficients for nepheline, melilite, clinopyroxene and perovskite in melilite-nepheline basalt, Nyiragongo, Zaire

Naoki Onuma, Shuji Ninomiya, Hiroshi Nagasawa
Geochemical Journal, Vol. 15, No. 4, P. 221-228, 1981

ABSTRACT

Four new partition coefficient versus ionic radius diagrams have been presented for nepheline-, melilite-, perovskite-, and clinopyroxene-groundmass of a melilite-nepheline basalt, Nyiragongo volcano, Zaire, Africa. The results were discussed on the basis of the “crystal structure control” mechanism.

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