The transition of orthoferrosilite to high-pressure C2/c clinoferrosilite at ambient temperature

European Journal of Mineralogy

Volumn 8, Issue 6, 1996, Pages 1337-1345

  Hugh Jones, Demelza ^a,b   Sharp, Thomas ^c   Angel, Ross ^c   Woodland, Alan ^d  

^a UNIVERSITY COLLEGE LONDON   (United Kingdom)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^c UNIVERSITÄT BAYREUTH   (Germany)

^d UNIVERSITY OF HEIDELBERG   (Germany)

Author keywords

Ferrosilite; FeSiO3; High pressure; Phase transition

Indexed keywords

HIGH RESOLUTION TRANSMISSION ELECTRON MICROSCOPY; MORPHOLOGY; PHASE TRANSITIONS; SILICON COMPOUNDS; SINGLE CRYSTALS;

FERROSILITE; FESIO3; HIGH PRESSURE; HYDROSTATIC CONDITIONS; RECONSTRUCTIVE TRANSFORMATION; SINGLE CRYSTAL X-RAY DIFFRACTION; TRANSFORMATION PRODUCTS; VOLUME DISCONTINUITY;

IRON COMPOUNDS;

FERROSILITE; P/T CONDITIONS; PHASE TRANSITION; PYROXENE;

EID: 0030439184     PISSN: 09351221     EISSN: None     Source Type: Journal    
DOI: 10.1127/ejm/8/6/1337     Document Type: Article

References (31)

1. 3 at high pressures and temperatures, J. Geophys. Res., 70, 5269-5278.
2. Angel, R.J., Chopelas, A., Ross, N.L. (1992a): Stability of high-density clinoenstatite at upper-mantle pressures. Nature, 358, 322-324.
3. Angel, R.J., Ross, N.L., Wood, I.G., Woods, P.A. (1992b): Single-crystal X-ray diffraction at high pressures with diamond anvil cells. Phase Transitions, 39, 13-32.
4. 3 pyroxenes (abs). IMA Meeting, Pisa, p. 13.
5. Burnham, C. W. (1965): Ferrosilite. Carnegie Inst. Wash. Yearbook, 64, 202-204.
6. _ (1966): Ferrosilite. Carnegie Inst. Wash. Yearbook, 65, 285-290.
7. 2 laser-heated diamond anvil cell. Terra Abs., 3, p. 68.
8. 2 laser heated diamond anvil cell: Perovskite and Clinopyroxene. In "High-Pressure Research: Application to Earth and Planetary Sciences", Y. Syono, M. H. Manghnami, eds., pp. 101-108.
9. Coe, R. S. & Kirby, S. H. (1975): The orthoenstatite to clinoenstatite transformation by shearing and reversion by annealing: Mechanism and potential applications. Contrib. Mineral. Petrol., 52, 29-55.
10. Czank, M. & Simons, B. (1983): High resolution electron microscopic studies on ferrosilite III. Phys. Chem. Minerals, 9, 229-234.
11. Dupas, C., Doukhan, N., Doukhan, J. C., Green, H. W., Young, T. E. (1994): Analytical electron microscopy of a synthetic peridotite experimentally deformed in the beta-olivine stability field. J. Geophys. Res., 99, 15821-15832.
12. Hugh-Jones, D.A. (1995): High pressure behaviour of pyroxenes. PhD thesis, University of London.
13. 3 orthoenstatite to 8.5 GPa. Am. Mineral., 79, 405-410.
14. 3 orthopyroxenes. Phys. Chem. Minerals.
15. Hugh-Jones, D. A., Woodland, A. B., Angel, R. J. (1994): The structure of high-pressure C2/c ferrosilite and crystal chemistry of high-pressure C2/c pyroxenes. Am. Mineral., 79, 1032-1041.
16. Jayaraman, A. (1983): Diamond anvil cell and high-pressure physical investigations. Rev. Modern Phys., 55, 65-108.
17. Morimoto, N. & Tokonami, M. (1969): Domain structure of pigeonite and clinoenstatite. Am. Mineral., 54, 725-740.
18. Pacalo, R. E. G. & Gasparik, T. (1990): Reversals of the orthoenstatite-clinoenstatite transition at high pressures and high temperatures. J. Geophys. Res., 95, 15853-15858.
19. Pannhorst, W. (1979): Structural relationships between pyroxenes. N. Jb. Mineral. Abh., 135, 1-17.
20. Ringwood, A.E. (1975): Composition and petrology of the Earth's mantle, p. 74-122. MacGraw-Hill, New York.
21. 3 polymorphs (orthopyroxene, clinopyroxene and ilmenite structures) by calorimetry, spectroscopy and phase equilibria. Am. Mineral., 73, 1355-1365.
22. Ross, N. L. & Sowerby, J. R. (in press): Electronic absorption spectra of synthetic clinoterrosilite. R. G. Burns Memorial Vol., Geochim. Cosmochim. Acta.
23. Sadanaga, R., Okamura, R.P., Takeda, H. (1969): X-ray study of the phase transformation of enstatite. Mineral. J., 6, 110-130.
24. Sharp, T. G. & Rubie, D. C. (1995): Catalysis of the olivine to spinel transformation by high clinoenstatite. Science, 269, 1095-1098.
25. Sueno, S., Cameron, M., Prewitt, C.T. (1976): Orthoferrosilite: high-temperature crystal chemistry. Am. Mineral., 61, 38-53.
26. Sueno, S. & Prewitt, C.T. (1983): Models for the phase transition between orthoferrosilite and high clinoterrosilite. Fortschr. Mineral., 61, 223-241.
27. Smyth, J. R. (1974): Experimental study on the polymorphism of enstatite. Am. Mineral., 59, 345-352.
28. Thompson, J. B., Jr. (1970): Geometrical possibilities for amphibole structures: Model biopyriboles. Am. Mineral., 55, 292-293.
29. 3. Acta Cryst., C39, 1-3.
30. 3, and implications for the mineralogy of the Earth's upper mantle. Eur. J. Mineral. EMPG-VI special issue.
31. 12 solutions. Am. Mineral. 78, 1002-1013.