Compositional dependence of the activity of nickel in silicate melts

Details Compositional dependence of the activity of nickel in silicate melts Compositional dependence of the activity of nickel in silicate melts

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997gecoa..61.4707e&link_type=abstract

Geochimica et Cosmochimica Acta, vol. 61, p. 4707

Computer Science

5

Magma, Silicates, Nickel, Chemical Composition, Basalt, Solubility, Melting, Quartz, Forsterite, Nickel Oxides

Scientific paper

The aim of this study is the investigation of the influence of melt composition on the partitioning of Ni in a haplobasaltic melt. Based on prior knowledge of the dependence of the Ni solubility on oxygen fugacity and temperature for this melt composition, and applying the mechanically assisted equilibration method of Dingwell et al. (1994), the study provides a systematic investigation of the influence of melt composition on the Ni solubility at constant temperature, oxygen fugacity, and pressure. Three components, SiO2 (quartz), Mg2SiO4 (forsterite), and Na2SiO3 (Na-metasilicate) were chosen to investigate melt compositional effects. The observed solubility behavior is rationalized in terms of melt structural concepts.

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