Pyroxene polymorphs in melt veins of the heavily shocked Sixiangkou L6 chondrite

European Journal of Mineralogy

Volumn 18, Issue 6, 2006, Pages 719-726

  Zhang, Aicheng ^a,b   Hsu, Weibiao ^a   Wang, Rucheng ^b   Ding, Mingwei ^a  

^a CHINESE ACADEMY OF SCIENCES   (China)

^b NANJING UNIVERSITY   (China)

Author keywords

Akimotoite; Heavily shocked; Melt veins; Phase transformation; Sixiangkou L6 chondrite

Indexed keywords

HIGH PRESSURE EFFECTS; METEOR IMPACTS; METEORITES; PHASE TRANSITIONS; SILICON; SOLID SOLUTIONS;

AKIMOTOITE; HEAVILY SHOCKED; HIGH TEMPERATURE CONDITION; HIGH-PRESSURE AND TEMPERATURES; HIGH-PRESSURE POLYMORPH; INHOMOGENEOUS DISTRIBUTION; SIXIANGKOU L6 CHONDRITE; SOLID STATE TRANSFORMATIONS;

SILICATE MINERALS;

CHEMICAL COMPOSITION; CHONDRITE; HIGH PRESSURE; IMPACT; MAJORITE; METAMORPHISM; METEORITE; POLYMORPHISM; PYROXENE;

EID: 33845977404     PISSN: 09351221     EISSN: None     Source Type: Journal    
DOI: 10.1127/0935-1221/2006/0018-0719     Document Type: Article

References (33)

1. Agee, C.B., Li, J., Shannon, M.C., Circone, S. (1995): Pressure-temperature phase diagram for the Allende meteorite. J. Geophys. Res., 100, 17725-17740.
2. 6. Am. Mineral., 90, 457-462.
3. Canil, D. (1994): Stability of clinopyroxene at pressure-temperature conditions of the transition region. Phys. Earth Planet. Inter., 86, 25-34.
4. Chen, M., Wopenka, B., Xie, X.D., El Goresy, A. (1995): A new high-pressure polymorph of chlorapatite in the Shocked Sixiangkou (L6) Chondrite. Lunar Planet. Sci., 26, 237-238.
5. Chen, M., Sharp, T.G., El Goresy, A., Wopenka, B., Xie, X.D. (1996): The majorite-pyrope + magnesiowüstite assemblage: Constraints on the history of shock veins in chondrites. Science, 271, 1570-1573.
6. Chen, M., Xie, X.D., Wang, D.D., Wang, S.C. (2002): Metaltroilite-magnetite assemblage in shock veins of Sixiangkou meteorite. Geochim. Cosmochim. Acta, 66, 3143-3149.
7. Chen, M., El Goresy, A., Gillet, P. (2004a): Ringwoodite lamellae in olivine: Clues to olivine-ringwoodite phase transition mechanisms in shocked meteorites and subducting slabs. Proc. Natl. Acad. Sci. USA, 101, 15033-15037.
8. 3 glass in the Suizhou meteorite. Meteorit. Planet. Sci., 39, 1797-1808.
9. Chen, M., Li, H., El Goresy, A., Liu, J., Xie, X.D. (2006): Fracture-related intracrystalline transformation of olivine to ringwoodite in the shocked Sixiangkou meteorite. Meteorit. Planet. Sci., 41, 731-737.
10. Chopelas, A. & Serghiou, G. (2002): Spectroscopic evidence for pressure-induced phase transitions in diopside. Phys. Chem. Minerals, 29, 403-408.
11. DeCarli, P., Bowden, E., Jones, A.P., Price, G.D. (2002): Laboratory impact experiments versus natural impact events. In: «Geological Society of America Special Paper», 356, 595-605.
12. Gasparik, T. (1996): Melting experiments on the enstatite-diopside join at 70-224 kbar, including the melting of diopside. Contrib. Mineral. Petrol., 124, 139-153.
13. Hogrefe, A., Rubie, D.C., Sharp, T.G., Seifert, F. (1994): Metastability of enstatite in deep subducting lithosphere. Nature, 372, 351-353.
14. 6 and implications for origin of ultra-deep diamond inclusions. Geophy. Res. Lett., 27, 3541-3544.
15. 6 at pressures up to 25 GPa. Geophy. Res. Lett., 16, 187-190.
16. Kimura, M., Suzuki, A., Kondo, T., Ohtani, E., El Goresy, A. (2000): Natural occurrence of high-pressure phases, jadeite, hollanite, wadsleyite and majorite-pyrope garnet, in a H chondrite, Y751000. 63rd Annual Meteoritical Society Meeting, A5070.
17. Kimura, M., Suzuki, A., Ohtani, E., El Goresy, A. (2001): Raman petrography of high-pressure minerals in H, L, LL and E-chondrites. 64th Annual Meteoritical Society Meeting, A5261.
18. 3. Earth Planet. Sci. Lett., 31, 200-208.
19. Liu, L.G. (1978): High-pressure phase transformation of albite, jadeite and nepheline. Earth Planet. Sci. Lett., 37, 438-444.
20. 6. Phys. Earth Planet. Inter., 104, 363-370.
21. Ohtani, E., Kimura, Y., Kimura, M., Takata, T., Kondo, T., Kubo, T. (2004): Formation of high-pressure minerals in shocked L6 chondrite Yamato 791384: constraints on shock conditions and parent body size. Earth Planet. Sci. Lett., 227, 505-515.
22. Presnall, D.C. (1995): Phase diagrams of Earth-forming minerals. In: Ahrens, T.J. (Eds.), «Mineral physics and crystallography: a handbook of physical constants». American Geophysical Union. pp. 248-268.
23. Sharp, T.G. & DeCarli, P. (2006): Shock effects in meteorites. In: D.S. Lauretta, H.Y. McSween Jr. (Eds.), «Meteorites and the Early Solar System II», University of Arizona Press (in press).
24. 3-perovskite in a shocked L Chondrite. Science, 277, 352-355.
25. Smith, J.V. & Mason, B. (1970): Pyroxene-garnet transformation in Coorara Meteorite. Science, 168, 832-833.
26. Stöffler, D., Keil, K., Scott, E.R.D. (1991): Shock metamorphism of ordinary chondrites. Geochim. Cosmochim. Acta., 55, 3845-3867.
27. 3-ilmenite and -perovskite in the Tenham meteorite. Science, 277, 1084-1086.
28. 3, a new silicate mineral of the ilmenite group in the Tenham chondrite. Am. Mineral., 84, 267-271.
29. Tomioka, N. & Kimura, M. (2003): The breakdown of diopside to Ca-rich majorite and glass in a shocked H chondrite. Earth Planet. Sci. Lett., 208, 271-278.
30. Xie, X.D., Chen, M., Wang, D.D. (2001): Shock-related mineralogical features and P-T history of the Suizhou L6 chondrite. Eur. J. Mineral., 13, 1177-1190.
31. Xie, Z.D. & Sharp, T.G. (2004): High-pressure phases in shock-induced melt veins of the Umbarger L6 chondrite: Constraints of shock pressure. Meteorit. Planet. Sci., 39, 2043-2054.
32. Xie, Z.D., Sharp, T.G., DeCarli, P.S. (2006): High-pressure phases in a shock-induced melt vein of the Tenham L6 chondrite: Constraints on shock pressure and duration. Geochim. Cosmochim. Acta, 70, 504-515.
33. Zhang, J.Z. & Herzberg, C. (1994): Melting experiments on anhydrous peridotite KLB-1 from 5.0 to 22.5 GPa. J. Geophys. Res., 99, 17729-17742.