Browsing by Author "Sack R.O."
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Browsing by Author "Sack R.O."
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Sack R.O.; Ghiorso M.S. (1991)A model is developed for the thermodynamic properties of Fe2+–Mg2+-aluminate-titanate-ferrite spinels of space group Fd3m. The model incorporates an expression for the configurational entropy of mixing which accounts for ...
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Ghosal S.; Sack R.O. (1995)Experimental brackets on As-Sb partitioning between polybasite-pearceite {Pbp; (Cu, Ag)16(Sb, As)2S11} and pyrargyrite-proustite {Ppr; (Cu, Ag)3(Sb, As)S3}, and between pyrargyrite-proustite, and miargyrite and smithite ...
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INTERNALLY CONSISTENT DATABASE FOR SULFIDES AND SULFOSALTS IN THE SYSTEM AG2S-CU2S-ZNS-SB2S3-AS2S3 Sack R.O. (2000)An updated thermodynamic database for Ag2S-Cu2S-ZnS-Sb2S3-As2S3 sulfides and sulfosalts applicable to temperatures above 119°C is developed to calculate phase relations for polybasite-pearceite- and fahlore-bearing ...
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Harlov D.E.; Sack R.O. (1995)We report experimental brackets (150-350°C, evacuated silica tubes) on (1) Ag-Cu partitioning between hexagonally close packed (hcp)-, face centered cubic (fcc)-, and body centered cubic (bcc)-(Ag, Cu)2S sulfides and the ...
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Balabin A.I.; Sack R.O. (2000)We have developed a cluster variation method (CVM) model based on cuboctahedral and octahedral basis clusters containing 13 and 6 atoms, respectively, and applied it to the analysis of the thermodynamic mixing properties ...
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Sack R.O.; Ghiorso M.S. (1998)We have developed models for the thermody-namic properties of nephelines, kalsilites, and leucites in the simple system NaAlSiO4−KAlSiO4−Ca0.5AlSiO4−SiO2−H2O that are consistent with all known constraints on subsolidus ...
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Sack R.O.; Ghiorso M.S. (1994)The model for the thermodynamic properties of multicomponent pyroxenes (Part I) is calibrated for ortho- and clinopyroxenes in the quadrilateral subsystem defined by the end-member components Mg2Si2O6, CaMgSi2O6, CaFeSi2O6, ...
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Sinha S.K.; Sack R.O.; Lipschutz M.E. (1997)We report microprobe analyses for eight ureilite samples (ALH A78019, ALH 82106, ALH 82130, ALH 84136, LEW 85328, LEW 85440, MET A78008, and RKP A80239) and calibrate smelting reactions characteristic of ureilites using ...
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