Partitioning of chromium, manganese, cobalt and nickel between olivine and basaltic liquid: an experimental study | Zendy

H. Mäkipää | Zendy

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Partitioning of chromium, manganese, cobalt and nickel between olivine and basaltic liquid: an experimental study

Author(s) -

H. Mäkipää

Publication year - 1980

Publication title -

bulletin of the geological society of finland

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.4

H-Index - 24

eISSN - 1799-4632

pISSN - 0367-5211

DOI - 10.17741/bgsf/52.2.003

Subject(s) - olivine , manganese , geology , cobalt , nickel , basalt , chromium , geochemistry , mineralogy , metallurgy , materials science

The partitioning of Cr3 + , Mn2+, Co2+ and Ni2+ between olivine and mafic silicate liquid has been studied under anhydrous conditions at 1 bar total pressure and temperatures of 1120° to 1270°C. The results suggest that 1) the partition coefficients for Cr, Mn, Co and Ni are strongly temperature dependent, 2) at constant temperature Deo is independent but Der, Djln and Dx; are dependent upon melt composition, 3) the partition cofficients are greater than one at these temperatrue ranges and the preference sequenc is Ni > Co > Mn > Cr, 4) the partition cofficients do not vary as a function of element content in the melt, 5) all partition coefficients can be used in geothermometry, the relative temperature accuracy being within ± 20°C.

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