Thermodynamic studies of pyrrhotite-pyrite equilibria in the Ag-Fe-S system by solid-state galvanic cell technique at 518-723 K and total pressure of 1 atm

Geochimica et Cosmochimica Acta

Volumn 70, Issue 22, 2006, Pages 5617-5633

  Osadchii, Evgeniy G ^a   Chareev, Dmitriy A ^a  

^a INSTITUTE OF EXPERIMENTAL MINERALOGY   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL COMPOSITION; ELECTROLYTE; GEOTHERMOMETRY; OXIDATION; PARAGENESIS; PHASE EQUILIBRIUM; PRESSURE EFFECT; PYRITE; PYRRHOTITE; TEMPERATURE EFFECT; THERMODYNAMIC PROPERTY;

EID: 33750576146     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.gca.2006.08.018     Document Type: Article

References (41)

1. Arnold R.G. Equilibrium relations between pyrrhotite and pyrite from 325° to 741°. Econ. Geol. 57 (1962) 72-90
2. Barker W.W., and Parks T.C. The thermodynamic properties of pyrrhotite and pyrite: a re-evaluation. Ceochim. Cosmochim. Acta 50 (1986) 2185-2194
3. Barton M.D. The Ag-Au-S system. Econ. Geol. 75 (1980) 303-316
4. Barton Jr. P.B., and Skinner B.J. Sulfide mineral stabilities. In: Barnes H.L. (Ed). Geochemistry of Hyrothermal Ore Deposites (1967), John Wiley and Sons 278-403
5. Barton P.B., and Skinner B.J. Sulfide mineral stabilities. Geochemistry of Hydrothermal Ore Deposits (1979), Holt, Rinehart and Winston, New York 236-333
6. Barton P.B., and Toulmin P. The electrum-tarnish method for the determination of the fugacity of sulfur in laboratory sulfide system. Ceochim. Cosmochim. Acta 28 (1964) 619-640
7. Barton P.B., and Toulmin P. Phase relations involving sphalerite in the Fe-Zn-S system. Econ. Geol. 61 (1966) 815-849
8. 2 system. Econ. Geol. 62 (1967) 614-631
9. Binary Alloy Phase Diagrams, 1987. Massalski, T. (Ed.), American Society for Metals.
10. 0.89S from 298.15 to about 650 K. Thermodynamic of formation. J. Chem. Thermodyn. 24 (1992) 913-936
11. Ivanov-Schits, A.K., Moorin, I.V., 2000. Ionics of Solid State, University of Saint-Petersburg, vol. I, pp. 220-232 (in Russian).
12. Kissin S.A., and Scott S.D. Phase relations involving pyrrhotite below 350 °C. Econ. Geol. 77 (1982) 1739-1754
13. Kiukkola K., and Wagner C. Galvanic cells for the determination of the standard molar free energy of formation of metal halides, oxides, and sulfides at elevated temperatures. J. Electrochem. Soc. 104 (1957) 308-316
14. Kiukkola K., and Wagner C. Measurements on galvanic cells involving solid electrolytes. J. Electrochem. Soc. 104 (1957) 379-386
15. Kubaschewski O., and Evans E. Metallurgical Thermochemistry (1958), Pergamon Press, New York p. 426
16. Kullerud G., and Yoder Jr. H.S. Pyrite stability relations in the Fe-S system. Econ. Geol. 54 (1959) 533-572
17. Lusk J., and Bray D.M. Phase relations and the electrochemical determination of sulfur fugacity for selected reactions in the Cu-Fe-S and Fe-S systems at 1 bar and temperatures between 185 and 460 °C. Chem. Geol. 192 (2002) 227-248
18. Lusk J., Scott S.D., and Ford C.E. Phase relations in the Fe-Zn-S system to 5 kbars and temperature between 325° and 150 °C. Econ. Geol. 88 (1993) 1880-1903
19. 2S as a mixed conductor. J. Phys. Soc. Jpn. 24 (1968) 328-336
20. Neel L. Some new results on antiferromagnetism and ferromagnetism. Rev. Modern Phys. 25 (1953) 58-63
21. Novikov, G.V., Egorov, V.K., Popov, V.I., Polovov, V.M., 1977. To the problem of magnetic transformation in pyrrhotites. In: Proceedings of the International Conference on Mossbauer Spectroscopy, Bucharest, pp. 371-372.
22. Novikov G.V., Egorov V.K., and Sokolov Yu.A. Pyrrhotites: (Crystal and Magnetic Structure, Phase Transformations) (1988), Nauka, Moscow 184 p
23. 1-x)S solid solutions at 859-1020 K by solid state EMF measurements. Exp. Geosci. 3 2 (1994) 48-50
24. Osadchii E.G., and Rappo O.A. Determination of standard thermodynamic properties of sulfides in the Ag-Au-S system by means of solid-state galvanic cell. Am. Mineral. 89 (2004) 1405-1410
25. Osadchii E., Rosen E., and Saitton B. Equilibrium studies of the system Ni-S-O using the solid electrolyte galvanic cell technique. Acta Chem. Scand. 44 (1990) 476-480
26. 3Sb) at isostatic pressure 4000-8000 bar. Phys. Chem. Minerals 25 (1998) 288-291
27. 2S gas buffer. Petrologiya 10 6 (2002) 645-655 (in Russian)
28. 2-O at high temperatures, Thesis, University of Umea, Sweden, ISBN 91-7174-193-3.
29. Richardson F.D., and Jeffes J.H.E. The thermodynamics of substances of interest in iron and steel making. J. Iron Steel Inst. (1952) 165-175
30. 5 Pascals) pressure and at high temperatures. US Geol. Surv. Bull. (1995) 2131
31. Sato M. Electrochemical measurements and control of oxygen fugacity and other gaseous fugacities with solid electrolyte systems. In: Ulmer G.C. (Ed). Research Techniques for High Pressure and High Temperature (1971), Springer, New York 43-99 (Chapter 3)
32. 2. Econ. Geol. Bull. Soc. Econ. Geol. 68 (1973) 507-517
33. Scott S.D. Application of the sphalerite geobarometer to regionally metamorphosed terrains. Am. Mineral. 61 (1976) 661-670
34. Scott S.D., and Barnes H.L. Sphalerite geothermometry and geobarometry. Econ. Geol. 66 (1971) 653-669
35. Taylor L.A. The system Ag-Fe-S: phase equilibria and mineral assemblages. Mineral. Deposita 5 (1970) 41-58
36. Toulmin III P., and Barton Jr. P.B. A thermodynamic study of pyrite and pyrrhotite. Ceochim. Cosmochim. Acta 28 (1964) 641-671
37. Toulmin III P., Barton Jr. P.B., and Wiggins L.B. Commentary on the sphalerite geobarometer. Am. Mineral. 76 (1991) 1038-1051
38. Tretyakov, Yu.D., 1978. Solid State Reactions, M., "KHIMIYA", p. 23 (in Russian).
39. Vaughan D.J., and Craig J.R. Mineral Chemistry of Metal Sulfides (1978), Cambridge University Press, Cambridge
40. Vaughan D.J., and Craig J.R. Sulfide ore mineral stabilities, morphologies, and intergrowth textures. Geochemistry of Hydrothermal Ore Deposits (1997), John Wiley & Sons, Inc., New York 367-434
41. Wagner C. Investigations on silver sulfide. J. Chem. Phys. 21 (1953) 1819-1827