Garnet-omphacite-phengite thermobarometry of eclogites from the coesite-bearing unit of the southern Dora-Maira Massif, Western Alps

Lithos

Volumn 52, Issue 1-4, 2000, Pages 197-214

  Nowlan, E U ^a   Schertl, H P ^a   Schreyer, W ^a  

^a RUHR UNIVERSITY BOCHUM   (Germany)

Author keywords

Dora Maira Massif; Eclogite; Garnet; Geothermobarometry; Omphacite; Phengite

Indexed keywords

ECLOGITE; GEOBAROMETRY; GEOTHERMOMETRY; P-T CONDITIONS; ULTRAHIGH PRESSURE METAMORPHISM;

ITALY;

EID: 0034050240     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0024-4937(99)00091-2     Document Type: Article

References (34)

1. Bundy F.R. The P, T phase reaction diagrams for elemental carbon. J. Geophys. Res. 85:1980;6930-6936.
2. Carswell D.A., O'Brien P.J., Wilson R.N., Zhai M. Thermobarometry of phengite-bearing eclogites in the Dabie Mountains of central China. J. Metamorph. Geol. 15:1997;239-252.
3. Chopin C. Coesite and pure pyrope in high-grade blueschists of the Western Alps: a first record and some consequences. Contrib. Mineral. Petrol. 86:1984;107-118.
4. Chopin C., Henry C., Michard A. Geology and petrology of the coesite-bearing terrain, Dora-Maira Massif, Western Alps. Eur. J. Mineral. 3:1991;263-291.
5. Coleman R.G., Beatty L.B., Brannock W.W. Eclogites and eclogites: their differences and similarities. Geol. Soc. Am. Bull. 76:1965;483-508.
6. Compagnoni, R., Hirajima, T., Chopin, C., 1995. Ultra-high-pressure metamorphic rocks in the Western Alps. In: Coleman, R.G., Wang, X. (Eds.), Ultrahigh Pressure Metamorphism, Chap. 7. Cambridge Univ. Press, Cambridge, pp. 206-243.
7. Compagnoni, R., Hirajima, T., Turello, R., Castelli, D., 1994. The Brossasco-Isasca unit of the Dora-Maira Massif. In: Compagnoni, R., Messiga, B. (Eds.), High Pressure Metamorphism in the Western Alps. Guidebook to the Field Excursion B1. 16th General meeting of the International Mineralogical Association, Pisa, pp. 87-105.
8. Erambert M., Austrheim H. The effect of fluid and deformation on zoning and inclusion patterns in poly-metamorphic garnets. Contrib. Mineral. Petrol. 115:1993;204-214.
9. Gebauer D., Schertl H.-P., Brix M., Schreyer W. 35 Ma old ultrahigh-pressure metamorphism and evidence for very rapid exhumation in the Dora-Maira Massif, Western Alps. Lithos. 41:1997;5-24.
10. Green T.H., Hellman P.L. Fe-Mg partitioning between coexisting garnet and phengite at high pressure, and comments on a garnet-phengite geothermometer. Lithos. 15:1982;253-266.
11. Hacker, B.R., Peacock, S.M., 1995. Creation, preservation, and exhumation of UHPM rocks. In: Coleman, R., Wang, X. (Eds.), Ultra-high Pressure Metamorphism. Cambridge Univ. Press, Cambridge, pp. 159-181.
12. Hammerschmidt K., Schertl H.-P., Friedrichsen H., Schreyer W. Überschuss-Argon während der retrograden Metamorphose der Ultrahochdruck-Gesteine des Dora-Maira-Massivs, italienische Westalpen. Berichte Deutsch. Mineral. Ges., Eur. J. Mineral. 4(1992):1992;112. Beih. 1.
13. Kienast J.-R., Lombardo B., Biino G., Pinardon J.L. Petrology of very-high-pressure eclogitic rocks from the Brossasco-Isasca Complex, Dora-Maira Massif Italian Western Alps. J. Metamorph. Geol. 9:1991;19-34.
14. Liou J.G., Zhang R., Ernst W.G. An introduction to ultrahigh-pressure metamorphism. Isl. Arc. 3:1994;1-24.
15. Mirwald P.W., Massonne H.-J. Quartz-coesite transition and the comparative friction measurements in piston-cylinder apparatus using talc-alsimag-glass (TAG) and NaCl high pressure cell: a discussion. N. Jb. Mineral. 10:1980;469-477.
16. 39Ar dating in coesite bearing and associated units of the Dora-Maira Massif, Western Alps Eur. J. Mineral. 3:1991;239-262.
17. Nowlan, E.U., 1998. Druck-Temperatur-Entwicklung und Geochemie von Eklogiten des Dora-Maira-Massivs, Westalpen. Dissertation, Bochum, Band I, 171 pp.+Band II (appendix).
18. Okay A., Xu S., Sengor A.M.C. Coesite from Dabie Shan eclogites, central China. Eur. J. Mineral. 1:1989;595-598.
19. Paquette J.-L., Chopin C., Peucat J.J. U-Pb zircon, Rb-Sr and Sm-Nd geochronology of high- to very-high-pressure meta-acidic rocks from the western Alps. Contrib. Mineral. Petrol. 101:1989;280-289.
20. Paquette J.-L., Montel J.-M., Chopin C. U-Th-Pb dating of the Brossasco ultrahigh-pressure metagranite, Dora-Maira massif, Western Alps. Eur. J. Mineral. 11:1999;69-77.
21. Powell R. Regression diagnostics and robust regression in geothermometer/geobarometer calibration: the garnet-clinopyroxene geothermometer revisited. J. Metamorph. Geol. 3:1985;231-243.
22. Sandrone, R., Cadoppi, P., Sacchi, R., Vialon, P., 1993. The Dora-Maira Massif. In: von Raumer, J.F., Neubauer, F. (Eds.), Pre-Mesozoic Geology in the Alps. Springer Verlag, Berlin, pp. 317-325.
23. Schertl H.-P., Schreyer W., Chopin C. The pyrope-coesite rocks and their country rocks at Parigi, Dora-Maira Massif, Western Alps: detailed petrography, mineral chemistry and PT-path. Contrib. Mineral. Petrol. 108:1991;1-21.
24. Schreyer W. Ultradeep metamorphic rocks: the retrospective viewpoint. J. Geophys. Res. 100(B5):1995;8353-8366.
25. Schulte B.A., Blümel P. Metamorphic evolution of eclogite and associated garnet-mica schist in the high-pressure metamorphic Maksyutov complex, Ural, Russia. Geol. Rundsch. 87:1999;561-576.
26. Sharp Z.D., Essene E.J., Hunziker J.C. Stable isotope geochemistry and phase equilibria of coesite-bearing whiteschists, Dora-Maira Massif, Western Alps. Contrib. Mineral. Petrol. 114:1993;1-12.
27. Simon G., Chopin C., Schenk V. Near-end-member magnesiochloritoid in prograde-zoned pyrope, Dora-Maira Massif, Western Alps. Lithos. 41:1997;37-57.
28. Smith D.C., Lappin M.A. Coesite in the Straumen kyanite-eclogite pod Norway. Terra Res. 1:1989;47-56.
29. Sobolev N.V., Shatsky V.S. Diamond inclusions in garnets from metamorphic rocks: a new environment for diamond formation. Nature. 343:1990;742-746.
30. Tilton G.R., Schreyer W., Schertl H.-P. Pb-Sr-Nd isotopic behaviour of deeply subducted crustal rocks from the Dora-Maira Massif, Western Alps II: what is the age of the ultrahigh-pressure metamorphism? Contrib. Mineral. Petrol. 108:1991;22-33.
31. Wain A. New evidence for coesite in eclogite and gneisses: defining an ultrahigh-pressure province in the Western Gneiss region of Norway. Geology. 25:1997;927-930.
32. Wang X., Liou J.G., Maruyama S. Coesite-bearing eclogites from the Dabie Mountains, central China. Geology. 17:1989;1085-1088.
33. Waters D., Martin H.N. The garnet-clinopyroxene-phengite barometer. Terra Abstr. 5:1993;410-411.
34. Xu S., Okay A.I., Ji S., Sengor A.M.C., Su W., Liu Y., Jiang L. Diamond from Dabie Shan metamorphic rocks and its implication for tectonic setting. Science. 256:1992;80-82.