Low pressure mineral-melt equilibria in natural anhydrous mafic systems

作者: Roger L. Nielsen , Michael A. Dungan

DOI: 10.1007/BF01160284

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摘要: Low pressure phase equilibria for natural mafic systems may be calculated utilizing empirically derived single component distribution coefficients and the constraints placed upon mineral-melt by stoichiometry mass balance, without any knowledge of thermochemical properties melts (Langmuir Hanson 1981). Variations in caused differences melt composition largely eliminated application a two-lattice model based models Nielsen Drake (1979), (1976b), Bottinga Weill (1972). In model, is assumed to made up two independent quasi-lattices, network formers, composed components SiO2, NaAlO2, KAlO2, modifiers, free oxides Ca, Mg, Fe, Al, Ti, Cr.

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