Effects of aluminum on Cr dimerization in silicate melts and implications for Cr partitioning and redox equilibria

Geochimica et Cosmochimica Acta

Volumn 64, Issue 3, 2000, Pages 527-543

  Colson, Russell O ^a   Colson, Mary C ^b   Nermoe, Marcia K B ^a   Floden, Angela M ^a   Hendrickson, Tanya R ^a  

^a MINNESOTA STATE UNIVERSITY MOORHEAD   (United States)

^b Moorhead Junior High   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALUMINUM; CHROMIUM; PARTIAL MELTING; PARTITIONING; SILICATE MELT;

EID: 0034085028     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(99)00202-1     Document Type: Article

References (47)

1. Bottinga Y., Weill D. F., and Richet P. (1981) Thermodynamic modeling of silicate melts. In Thermodynamics of Minerals and Melts (ed. R. C. Newton, A. Navrotsky, and B. J. Wood), Vol 1, Advances in Physical Geochemistry, Springer Verlag, NY. 209-245.
2. Chipman J. and Lo Ching Chang (1949) The ionic nature of metallurgical slags, simple oxide systems. Metals Trans, Feb. 191-197.
3. Colson R. O. (1998) Unexpected results of some simple exercises in equilibrium melting based on experimentally determined partition coefficients, Planetary Petrology and Geochemistry: The Lawrence A. Taylor 60th Birthday Volume, Bellweather Publishing, Columbia Maryland, in press.
4. Colson R. O. and Colson M. C. (1995) Chromium, a dimer in silicate melts?: Implications for redox equilibria and partitioning. Lunar and Planetary Science XXVI, 269-270.
5. Colson R. O. and Colson M. C. (1997) Chromium, a dimer in silicate melts? New electrochemical evidence addressing dimerization and the conditions under which it is important. Lunar and Planetary Science XXVIII, 249-250.
6. Colson R.O., Haskin L.A., Crane D. Electrochemistry of cations in diopsidic melt Determining diffusion rates and redox potentials from voltammetric curves . Geochim. Cosmochim. Acta. 54:1990;3353-3367.
7. Colson R.O., Haskin L.A., Keedy C.R. Reinterpretation of reduction potential measurements done by linear sweep voltammetry in silicate melts. Geochim. Cosmochim. Acta. 55:1991;2831-2838.
8. 2+. Geochimica. Cosmochimica. Acta. 59:1995;909-925.
9. Colson R.O., McKay G.A., Taylor L.A. Temperature and composition dependencies of trace element partitioning Olivine/melt and low-Ca pyroxene/melt . Geochim. Cosmochim. Acta. 52:1988;539-553.
10. Colson R.O., McKay G.A., Taylor L.A. Charge balancing of trivalent trace elements in olivine and low-Ca pyroxene A test using experimental partitioning data . Geochim. Cosmochim. Acta. 53:1989;643-648.
11. Colson R. O., Nermoe M. K. B., Hendrickson T. R., and Floden A. M. (1998) Stabilization of Cr3+ dimers in silicate melt by the presence of Al. Lunar and Planetary Science XXIX.
12. 2+, K+, Na+, Li+, H+, OH-, F-, Cl-, H2O, CO2 and H3O+ on silicate polymers. Geochim. Cosmochim. Acta 44, 1627-1642.
13. 2-. Geochim. Cosmochim. Acta. 1980;491-511.
14. Denzumi S., Yamada T., Kawamura K., Yokokawa T. A new Basicity Scale Based on Redox Potential of Cr6+/Cr3+ in Alkali Silicate Melts. Mater. Trans. JIM. 35:1996;591.
15. Donaldson C.H., Williams R.J., Lofgren G.E. A sample holding procedure. Geochim. Cosmochim. Acta. 42:1975;679-683.
16. Douglas R.W., Nath P., Paul A. Oxygen ion activity and its influence on the redox equilibria in glasses. Phys. and Chemistry of Glasses. 6:1965;216-223.
17. Erikson R.L., Hostetler C.J. Application of empirical ionic models to SiO2 liquid Potential model approximations and intergration of SiO2 polymorph data . Geochim. Cosmochim. Acta. 51:1987;1209-1218.
18. Floden A. M., Colson R. O., Nermoe M. K. B., and Hendrickson T. R. (1998) Effects of CO on the activity of Nickel in a simple silicate melt. Lunar and Planetary Science XXIX.
19. Ghiorso M.S., Carmichael I.S.E. A regular solution model for met-aluminous silicate liquids Applications to geothermometry, immiscibility, and source regions of basic magmas . Contr. Min. Pet. 71:1980;323-342.
20. Ghiorso M. S. (1987) Modeling magmatic systems: thermodynamic relations. I Thermodynamic modeling in geologic systems: Minerals, Fluids and Melts (ed. I. S. E. Carmichael and H. P. Eugster) 17, 443-465. Min. Soc. Am., Wasington, DC.
21. Ghiorso M. S. (1997) Thermodynamic models of igneous processes. Annu. Rev. Earth Planet Sci. 25, 221-241.
22. Gibbs G.V. Molecules as models for bonding in silicates. Am. Mineral. 67:1982;421-450.
23. Gosser D. K. Jr. (1993) Cyclic voltammetry: Simulation and analysis of reaction mechanisms, VCH, NY, 154 p.
24. Hanson B. and Jones J. H. (1999) (in press) The Systematics of Cr3+ and Cr2+ partitioning between olivine, liquid, and spinel, Am. Min.
25. Hess P.C. Polymer model of silicate melts. Geochim. Cosmochim. Acta. 35:1971;289-306.
26. Hess P.C. Structure of silicate melts. Can. Mineral. 15:1977;162-178.
27. Hess P. C. (1995) Thermodynamic mixing properties and the structure of silicate melts. In Structure, Dynamics and Properties of Silicate Melts, Rev in Min. v 32, 145-189, J. F. Stebbins, P. F. McMillan and D. B. Dingwell, eds.
28. Jeddeloh G. The redox equilibrium in silicate melts. Phys. and Chemistry of Glasses. 25:1984;163-164.
29. Karlsson Kaj H., Froberg Kaj. Structural units in silicate glasses. Chem. Geol. 62:1987;1-5.
30. Karlsson Kaj H., Froberg Kaj, Perander M. On the structure of silicate melts. Jrnl. Non Cryst. Solids. 84:1986;183-185.
31. Muller-Simon H. Electron exchange reactions between polyvalent elements in soda-lime-silica and sodium borate glasses. Glastech. Ber. Blass Sci. Technol. 69:1996;387-395.
32. Mysen B.L., Virgo D., Seifert F.A. The structure of silicate melts Implications for chemical and physical properties of natural magma . Rev. Geophys. Space Phys. 20:1982;353-383.
33. Navrotsky A., Hon R., Weill D.F., Henry D.J. Thermochemistry of glasses and liquids in the systems CaMgSi2O6-CaAl2Si2O8-NaAAlSi3O8, SiO2-CaAl2Si2O8-NaAlSi3O8 and SiO2-Al2O3-CaO-Na2O. Geochim. Cosmochim. Acta. 44:1980;1409-1423.
34. Ortmann L., Hohne D., Nolle G. Equilibrium constant - determination and influence on redox reactions in soda-lime-silica glass melts. Glastech. Ber. Glass Sci. Technol. 69:1996;235-241.
35. Saveant J.M., Vianello E. Potential-sweep voltammetry theoretical analysis of monomerization and dimerization mechanisms . Electrochem. Acta. 12:1967;1545-1561.
36. Schreiber H.D., Haskin L.A. Chromium in basalts Experimental determination of redox states and partitioning among synthetic silicate phases . Proc. Lunar Planet. Sci. Conf. 7th. 1976;1221-1259.
37. Schreiber H.D., Merkel R.C. Jr, Schreiber V.L., Balazs G.B. Mutual interactions of redox couples via electron exchange in silicate melts models for geochemical melt systems . J. Geophys. Res. 92:1987;9233-9245.
38. Schreiber H.D., Peters L.J., Beckman J.W., Schreiber C.W. Redox chemistry of iron-manganese and iron-chromium interactions in soda lime silicate glass melts. Glastech. Ber. Glass Sci. Technol. 69:1996;269-277.
39. Seifert F.A., Mysen B.O., Virgo D. 3-D network structure of quenched melts (glass) in the systems SiO2-NaAlO2, SiO2-CaAl2O4 and SiO2-MgAl2O4. Am. Min. 67:1982;696-717.
40. Semkow K.W., Haskin L.A. Concentrations and behavior of oxygen and oxide ion in melts of composition CaO-MgO-xSiO2. Geochim. Cosmochim. Acta. 49:1985;1897-1908.
41. 2+ ions in melts of composition CaMgSi2O6. Geochim. Cosmochim. Acta. 46:1982;1879-1889.
42. Shuman M.S. Nonunity electrode reaction orders and stationary electrode polarography. Anal. Chem. 41:1969;142-146.
43. Shuman M.S. Calculation of stationary electrode polarograms for cases of reversible chemical reactions other than first-order reaction following a reversible charge transfer. Anal. Chem. 42:1970;521-523.
44. Stebbins J.F., McMillan P. Five- and six-coordinated Si in K2Si4O9 glass quenched from 1.9 gpa and 1200C. Am. Min. 74:1989;965-968.
45. Stoessell R.K. The quasi-lattice site-mixing model The binary, symmetrical case . Geochim. Cosmochim. Acta. 53:1989;1675-1680.
46. Suzuki Y., Kawasaki S., Ookawa M., Yokokawa T. Basicity of alkaline earth silicate melts based on the Cr6+/Cr3+ redox equilibria. Mater. Trans. JIM. 36:1995;1483-1486.
47. Yokozeki M., Moriyasu T., Yamashita H., Maekawa T. Electrochemical studies of the redox behavior of antimony ions in sodium borate and silicate melts. Jrnl. Non Cryst. Solids. 202:1996;241-247.