Diamond- and coesite-bearing chromitites from the Luobusa ophiolite, Tibet

Geology

Volumn 35, Issue 10, 2007, Pages 875-878

  Yang, Jing Sui ^a   Dobrzhinetskaya, Larissa ^b   Bai, Wen Ji ^a   Fang, Qing Song ^a   Robinson, Paul T ^c,d   Zhang, Junfeng ^b   Green II, Harry W ^b  

^a INSTITUTE OF GEOLOGY   (China)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

^d DALHOUSIE UNIVERSITY   (Canada)

Author keywords

Chromitite; Coesite; Diamond; Ophiolite; Stishovite

Indexed keywords

CHROMITITE; COESITE; OPHIOLITE; STISHOVITE; ULTRAHIGH PRESSURE MINERALS;

DIAMONDS; GEOCHEMISTRY; IGNEOUS ROCKS; POLYCRYSTALLINE MATERIALS; SILICATE MINERALS;

MINERALOGY;

CHROMITITE; COESITE; DIAMOND; INCLUSION; OPHIOLITE; PRESSURE; PSEUDOMORPH; STISHOVITE;

ASIA; CHINA; EURASIA; FAR EAST; XIZANG;

EID: 35448930166     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G23766A.1     Document Type: Article

References (27)

1. Aitchison, J.C., Abrajevitch, A., and Ali, J.R., Badengzhu, Davis, A.M., Luo, H., Liu, J.B., McDermid, I.R.C., and Ziabrev, S., 2002, New insight into the evolution of the Yarlung-Tsangpo suture zone, Xizang (Tibet), China: Episodes, v. 25, p. 90-94.
2. Bai, W.-J., Robinson, P.T., Fang, Q.-S., Yang, J.-S., Yan, B.-G., Zhang, Z.-M., Hu, X.-F., Zhou, M.-F., and Malpas, J., 2000, The PGE and base-metal alloys in the podiform chromitites of the Luobusa ophiolite, Southern Tibet: Canadian Mineralogist, v. 38, p. 585-598.
3. Bird, J.M., Meibom, A., Frei, R., and Naegler, T.F., 1999, Osmium and lead isotopes of rare OsIrRu minerals: Derivation from the core-mantle boundary region?: Earth and Planetary Science Letters, v. 170, p. 83-92, doi: 10.1016/S0012-821X(99)00101-6.
4. Capdevila, R., Arndt, N., Letendre, J., and Sauvage, J.F., 1999, Diamonds in volcaniclastic komatiite from French Guiana: Nature, v. 299, p. 456-458.
5. Chen, M., and Shu, J., Mai, H-k, Xie, X. and Hemley, R.J., 2003, Natural occurrence and synthesis of two new postspinel polymorphs of chromite: Proceedings of the National Academy of Sciences of the United States of America, v. 100, p.14651-14654.
6. Davies, G.R., Nixon, P.H., Pearson, D.G., and Obata, M., 1993, Tectonic implications of graphitized diamonds from the Ronda massif, southern Spain: Geology, v. 21, p. 471-474, doi: 10.113010091-7613(1993)021<0471:TIOGDF>2.3.CO;2.
7. Glikson, A.Y, 1999, Oceanic mega-impacts and crustal evolution: Geology, v. 27, p. 387-390.
8. Dobrzhinetskaya, L.F., and Green, H.W., 2007, Experimental studies of mineralogical assemblages of metasedimentary rocks at Earth's mantle transition zone conditions: Journal of Metamorphic Geology (in press).
9. Green, H.W., II, 2004, Shock-induced minerals in meteorite provide prospecting tools for mineral physics: Proceedings of the National Academy of Sciences of the United States of America, v. 101, p. 6-7, doi: 10.1073/pnas.0307628100.
10. Grieve, R., and Therriault, A., 2000, Vredefort, Sudbury, Chicxulub: Three of a Kind?: Annual Review of Earth and Planetary Sciences, v. 28, p. 305-338, doi: 10.1146/annurev.earth.28.1.305.
11. 2 polymorphs: a quartz, coesite, and stishovite, in Manghuani, M.R., and Syono, Y., eds., High-pressure research in mineral physics: Tokyo, Terra Scientific, p. 347-358.
12. Institute of Geology, Chinese Academy of Geological Sciences (IGCAGS), 1981, The discovery of Alpine-type diamond-bearing ultrabasic intrusions in Tibet: Geological Review, v. 22, p.455-457.
13. Irifune, T., Ringwood, A.E., and Hibberson, W.O., 1994, Subduction of continental crust and terrigenous and pelagic sediments: An experimental study: Earth and Planetary Science Letters, v. 126, p. 351-368, doi: 10.1016/0012-821X(94)90117-1.
14. Malpas, J., Zhou, M.-E, Robinson, P.T., and Reynolds, P.H., 2003, Geochemical and geochronological constraints on the origin and emplacement of the Yarlung-Zangbo ophiolites, Southern Tibet in Dilek, Y., and Robinson, P.T., eds., Ophiolites in Earth history: Geological Society [London] Special Publication 218, p. 191-206.
15. Meibom, A., Sleep, N.H., Chamberlain, C.P., Coleman, R.G., Frei, R., Hren, M.T., and Wooden, J.L., 2002, Re-Os isotopic evidence for long-lived heterogeneity and equilibrium processes in Earth's upper mantle: Nature, v. 419, p. 705-708, doi: 10.1038/natureOI067.
16. Mosenfelder, J.L., Scherti, H.P., Smyth, J.R., and Lion, J.G., 2005, Factors in the preservation of coesite: The importance of fluid infiltration: American Mineralogist, v. 90, p. 779-789, doi: 10.2138/ am.2005.1687.
17. Pearson, D.G., Davies, G.R., and Nixon, P.H., 1989, Graphitized diamonds from a peridotite massif in Morocco and implications for anomalous diamond occurrences: Nature, v. 338, p. 60-62, doi: 10.1038/338O6OaO.
18. Renner, J., Stöckhert, B., Zerbian, A., Röller, K., and Rummel, F., 2001, An experimental study into the rheology of synthetic polycrystalline coesite aggregates: Journal of Geophysical Research, v. 106, p. 19411-19430, doi: 10.1029/2001JB000431.
19. Robinson, P.T., Bai, W.-J., Malpas, J., Yang, J.-S., Zhou, M.-F., Fang, Q.-S., Hu, X.-F., and Cameron, S., 2004, Ultra-high pressure minerals in the Luobusa ophiolite, Tibet and their tectonic implications, in Malpas, J., Fletcher, C.J.N., Ali, J.R., and Aitchison, J.C., eds., Aspects of the tectonic evolution of China: Geological Society [London] Special Publication 226, p. 247-271.
20. 2-rich fluids from serpentinization: Geochemical and biotic implications: Proceedings of the National Academy of Sciences of the United States of America, v. 101, p. 12818-12823, doi: 10.1073/ pnas.0405289101.
21. Smyth, J.R. and Hatton, C.J., 1977, A coesite-sanidine grospydite from the Roberts-Victor kimberlite: Earth and Planetary Science Letters, v. 34, p. 284-290, doi: 10.1016/0012-821X(77)90012-7.
22. Sobolev, N.V., Fursenko, R.A., Goyainov, S.V., Shu, J., Hemley, R., Mao, H.-K., and Boyd, F.R., 2000, Fossilized high pressure from the Earth's deep interior: The coesite in diamond barometer: Proceedings of the National Academy of Sciences of the United States of America, v. 97, p. 11875-11879, doi: 10.1073/pnas.220408697.
23. Yamamoto, S., Komiya, T., Takafuji, N., and Maruyama, S., 2005, Diopside and coesite lamellae in Cr-spinel of podiform chromitite in Luobusa ophiolite, Tibet: Evidence for ultra-high pressure origin of the chromite: Eos (Transactions, American Geophysical Union), v. 86, fall meeting supplement, abstract V5413-02.
24. Yang, J.S., Bai, W.J., Fang, Q.S., Yan, B.G., Shi, N.C., Ma, Z.S., Dai, M.Q., and Xiong, M., 2003, Silicon-rutile an ultra-high pressure (UHP) mineral from an ophiolite: Progress in Natural Science, v. 13, no. 7, p. 528-531.
25. 8: Physics and Chemistry of Minerals, v. 33, p. 167-177.
26. Zhang, J., Li, B., Utsumi, W., and Liebermann, R.C., 1996, In situ X-ray observations of the coesite-stishovite transition: reversed phase boundary and kinetics: Physics and Chemistry of Minerals, v. 23, p. 1-10, doi: 10.1007/BF00202987.
27. Zhou, M.-F., Robinson, P.T., Malpas, J., and Li, Z., 1996, Podiform chromitites in the Luobusa ophiolite (Southern Tibet): Implications for mantle-melt interaction and chromite segregation: Journal of Petrology, v. 37, p. 3-21, doi: 10.1093/petrology/37.1.3.