Vector Presentation of Liquid Immiscibility in Alkali-Free CaO-FeO-MgO-A12O3-TiO2 Melts |
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| Authors: | Lawrence M Barron |
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| Affiliation: | Geological Survey of New South Wales, c/o Mining Museum, 36 George Street North, Sydney 2000 N.S.W. Australia |
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| Abstract: | Problems with graphical display of immiscible liquids containing >3 components are overcome by recasting tie lines and reference compositional sections into vectors. The technique is demonstrated for experimental work and a theoretical model of liquid immiscibility in the system CaO-FeO-MgO-A12O3-SiO2-TiO2. Both experimental and theoretical work indicate that tie lines simply project radially to SiO2, so that network-forming components are partitioned like cation-modifying components in these melts. The addition of alkali oxides destroys this simple radial partitioning. |
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