Reinvestigation of the annite = sanidine + magnetite + H2 reaction using the fH2-sensor technique

American Mineralogist

Volumn 81, Issue 3-4, 1996, Pages 475-484

  Cygan, Gary L ^a   Chou, I Ming ^a   Sherman, David M ^b  

^a U S GEOLOGICAL SURVEY   (United States)

^b UNIVERSITY OF BRISTOL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EQUILIBRIUM CONSTANTS; FELDSPAR; HEMATITE; MICA; MOLYBDENUM METALLOGRAPHY; SILICON; SILICON COMPOUNDS; THERMAL LOGGING;

HIGHEST TEMPERATURE; LOWER TEMPERATURES; SANIDINES; SENSOR TECHNIQUES; SSBAUER SPECTROSCOPIES; STABILITY BOUNDARIES;

MAGNETITE;

ANNITE; HYDROGEN FUGACITY; MAGNETITE; MOSSBAUER SPECTROSCOPY; SANIDINE;

EID: 0029750561     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am-1996-3-421     Document Type: Article

References (38)

1. Appleman, D.E., and Evans, H.T., Jr. (1973) Job 9214: Indexing and least-squares refinement of powder diffraction data. U.S. Geological Survey, Computer Contribution 20, U.S. National Technical Information Service, Document PB2-16188.
2. Burnham, C.W., Holloway, J.R., and Davis, N.F. (1969) Thermodynamic properties of water to 1,000 °C and 10,000 bars. Geological Society of America Special Paper 132, 96 p.
3. Chou, I-M. (1978) Calibration of oxygen buffers at elevated P and T using the hydrogen fugacity sensor. American Mineralogist, 63, 690-703.
4. _ (1986) Permeability of precious metals to hydrogen at 2 kb total pressure and elevated temperatures. American Journal of Science, 286, 638-658.
5. _ (1987a) Oxygen buffer and hydrogen sensor techniques at elevated pressures and temperatures. In G.C. Ulmer and H.L Barnes, Eds., Hydrothermal experimental techniques, p. 61-99. Wiley, New York.
6. H2 sensors at 2-kbar pressure. American Mineralogist, 72, 76-81.
7. Chou, I-M., and Eugster, H.P. (1976) A sensor for hydrogen fugacities at elevated P and T and applications. Eos, 57, 340.
8. Chou, I-M., and Cygan, G.L. (1990) Quantitative redox control and measurement in hydrothermal experiments. In R.J. Spencer and I-M. Chou, Eds., Fluid mineral interactions: A tribute to H.P. Eugster, p. 1-15. Geochemical Society Special Publication no. 2, University Park, Pennsylvania.
9. 2O as a steady-state hydrogen source in moderately reduced hydrothermal experiments. American Mineralogist, 75, 1399-1405.
10. Cygan, G.L., Chou, I-M., and Sherman, D.M. (1991) Reassessment of the annite breakdown reaction using new hydrothermal experimental techniques. Eos, 72, 313.
11. H2-sensors. Eos, 75, 137.
12. 2. Contributions to Mineralogy and Petrology, 117, 229-240.
13. Eugster, H.P. (1957) Heterogeneous reactions involving oxidation and reduction at high pressures and temperatures. Journal of Chemical Physics, 26, 1760-1761.
14. _ (1959) Reduction and oxidation in metamorphism. In P.H. Abelson, Ed., Researches in geochemistry, p. 397-426. Wiley, New York.
15. Eugster, H.P., and Wones, D.R. (1962) Stability relations of the ferruginous biotite, annite. Journal of Petrology, 3, 82-125.
16. Eugster, H.P., and Skippen, G.B. (1967) Igneous and metamorphic reactions involving gas equilibria. In P.H. Abelson, Ed., Researches in geochemistry, vol. II, p. 492-520. Wiley, New York.
17. Ferrow, E.A. (1990) The relation between c dimension and exchange components in micas. Mineralogy and Petrology, 43, 23-35.
18. 2O-HCl. Geochimica et Cosmochimica Acta, 43, 1223-1239.
19. Frantz, J.D., and Marshall, W.L. (1984) Electrical conductances and ionization constants of acids and bases in supercritical aqueous fluids: I Hydrochloric acid from 100 to 700°C and at pressures to 4000 bars. American Journal of Science, 284, 651-667.
20. 2O fluid mixtures at high pressures and at temperatures above 400°C. European Journal of Mineralogy, 4, 1303-1310.
21. Hewitt, D.A. (1978) A redetermination of the fayalite-magnetite-quartz equilibrium between 650°C and 850°C. American Journal of Science, 278, 715-724.
22. Hewitt, D.A., and Wones, D.R. (1981) The annite-sanidine-magnetite equilibrium. GAC-MAC Joint Annual Meeting, Calgary, A-66.
23. _ (1984) Experimental phase relations of the micas. In Mineralogical Society of America Reviews in Mineralogy, 13, 201-256.
24. Holloway, J.R. (1977) Fugacity and activity of molecular species in supercritical fluids. In D.G. Frasier, Ed., Thermodynamics in geology, p. 166-181. Reidel, Boston.
25. Huebner, J.S., and Sato, M. (1970) The oxygen fugacity-temperature relationships of manganese oxide and nickel oxide buffers. American Mineralogist, 55, 934-952.
26. Johnson, J.W., Oelkers, E.H., and Helgeson, H.C. (1991) SUPCRT 92: A software package for calculating the standard molal thermodynamic properties of minerals, gases, aqueous species, and reactions from 1 to 5000 bars and 0° to 1000°C. Computers and Geosciences, 18, 899-947.
27. Partin, E., Hewitt, D.A., and Wones, D.R. (1983) Quantification of ferric iron in biotite. Geological Society of America Annual Meeting, 659.
28. Rebbert, C.R., and Hewitt, D.A. (1986) Biotite oxidation in hydrothermal systems: An experimental study. International Mineralogical Association, 207.
29. Redhammer, G.J., Beran, A., Dachs, E., and Amthauer, G. (1993) A Mössbauer and X-ray diffraction study of annites synthesized at different oxygen fugacities and crystal chemical implications Physics and Chemistry of Minerals, 20, 382-394.
30. 5 Pascals) pressure and at higher temperatures. U.S. Geological Survey Bulletin 1452 (reprinted with corrections).
31. Rutherford, M.J. (1969) An experimental determination of iron biotite-alkali feldspar equilibria. Journal of Petrology, 10, 381-408.
32. H2 at high temperatures and pressures. American Mineralogist, 77, 647-655.
33. Taylor, J.R., Wall, V.J., and Pownceby, M.I. (1992) The calibration and application of accurate redox sensors. American Mineralogist, 77, 284-295.
34. Wones, D.R. (1981) Mafic silicates as indicators of intensive variables in granitic magmas. Mining Geology, 31, 191-212.
35. Wones, D.R., and Eugster, H.P. (1965) Stability of biotite: Experiment, theory and application. American Mineralogist, 50, 1228-1272.
36. Wones, D.R., and Gilbert, M.C. (1969) The fayalite-magnetite-quartz assemblage between 600 and 800°C. American Journal of Science, 267, 480-488.
37. Wones, D.R., Burns, R.G., and Carroll, B.M. (1971) Stability and properties of synthetic annite. Eos, 52, 369.
38. Ziegenbein D., and Johannes, W. (1980) Graphite in C-H-O fluids: An unsuitable compound to buffer fluid composition at temperatures up to 700°C. Neues Jahrbuch für Mineralogie Monatshefte, 19, 289-305.