Slab-related metasomatism recorded by phlogopite-peridotite from mt hochwart (ulten zone, italy)

GeoActa

Volumn 7, Issue , 2008, Pages 15-28

  Marocchi, Marta ^a  

^a UNIVERSITY OF BOLOGNA   (Italy)

Author keywords

LA ICP MS; Metasomatism; Phlogopite peridotite; Trace elements; Ulten Zone

Indexed keywords

EID: 61349128070     PISSN: 17218039     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (35)

1. Arai S., 1986. K/Na variation in phlogopite and amphibole of upper mantle peridotites due to fractionation of the metaso-matising fluids. Journal of Geology 94, 436-444.
2. Arai S. and Takahashi N., 1989. Formation and compositional variation of phlogopites in the Horoman peridotite complex, Hokkaido, northern Japan: implications for origin and fractionation of metasomatic fluids in the upper mantle. Contributions to Mineralogy and Petrology 101, 165-175.
3. Becker H., Wenzel T. and Volker F., 1999. Geochemistry of glimmerite veins in peridotites from lower Austria- Implications for the origin of K-rich magmas in collision zones. Journal of Petrology 40, 315-338. (Pubitemid 29182001)
4. Braqa R. and Sapienza G.T., 2007. The retrograde evolution of a dolomite-bearing hydrous peridotite from the Ulten Zone (Italian Alps). GeoActa 6, 37-45.
5. Brod J.A., Gaspar de ArauAjo D.P., Gibson S.A., Thompson R.N. and Junoueira-Brod T.C., 2001. Phlogopite and tetra-ferriphlogopite from Brazilian carbonatite complexes: pe-trogenetic constraints and implications for mineral-chemistry systematics. Journal of Asian Earth Sciences 19, 265-296. (Pubitemid 32386416)
6. Buick I.S., Hermann J., Williams I.S., Gibson R.L. and Rubatto D., 2006. A SHRIMP U-Pb and LA-ICP-MS trace element study of the petrogenesis of garnet-cordierite-orthoamphibole gneisses from the Central Zone of the Limpopo Belt, South Africa. Lithos 88, 150-172.
7. Del Moro A., Martin S. and Prosser G., 1999. Migmatites of the Ulten Zone (NE Italy), a record of melt transfer in deep crust. Journal of Petrology, 40, 1803-1826. (Pubitemid 30057663)
8. Godard, G., Martin, S., Prosser, G., Kienast J.R. and Morten, L., 1996. Variscan migmatites, eclogites and garnet-peridotites of the Ulten Zone, Eastern Austroalpine system. Tectono-physics 259,313-341.
9. Gregoire M., Bell D.R. and Le Roex A.P., 2002. Trace element geochemistry of phlogopite-rich mafic mantle xenoliths: their classification and their relationship to phlogopite-bearing peridotites and kimberlites revisited. Contributions to Mineralogy and Petrology 142, 604-625.
10. Hermann J. and Spandler C, 2008. Sediment melts at sub-arc dephts: an experimental study. Journal of Petrology 49, 717-740
11. Ionov D.A. and Hofmann A.W., 1995. Nb-Ta-rich amphiboles and micas: implications for subduction-related metasomatic trace element fractionation. Earth and Planetary Science Letters 131,341-356.
12. Konzett J. and Ulmer P., 1999. The stability of hydrous potassic phases in lherzolite mantle, an experimental study to 9.5 GPa in simplified and natural bulk compositions. Journal of Petrology 40, 629-652. (Pubitemid 29255219)
13. Kretz R., 1983. Symbols for rock-forming minerals. American Mineralogist 68, 277-279.
14. Leake B.E., Woolley A.R., Arps C.E.S., Birch W.D., Gilbert M.C., Grice J.D., Hawthorne F.C., Kato A., Kisch H.J., Krivovichev V.G., Linthout K., Laird J., Mandarino J.A., Maresch W.V., Nickel E.H., Rock N.M.S., Schumacher J.C., Smith D.C., Stephenson N.C.N., Ungaretti L., Whittaker E.J.W. and Youzm G., 1997. Nomenclature of amphiboles: report of the subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. Mineralogical Magazine 61, 295-321.
15. Malaspina N., Hermann J. and Scambelluri M., 2008. Fluid/ mineral interaction in UHP garnet peridotite. Litlws doi: 10.1016/j.Iithos.2008.07.006.
16. Manning C.E., 2004. The chemistry of subduction-zone fluids. Earth and Planetary Science Letters 223, 1-16. (Pubitemid 38768059)
17. Marocchi M., Hermann J. and Morten L., 2007a. Evidence for multistage metasomatism of chloriteamphibole peridotites (Ulten Zone, Italy): constraints from trace element compositions of hydrous phases. Lithos 99, 85-104. (Pubitemid 47578425)
18. Marocchi M., Mair V. and Bargossi G.M., 2007b. The Hochwart peridotite (Ulten Zone, Italy): a natural window on the meta-somatic processes affecting crust-mantle interaction. Mittei-lungen Osterreichschen Mineralogischen Cesellschaft 153, p.74.
19. McDonough W.F. and Sun S.-s., 1995. The composition of the Earth. Chemical Geology 120, 223-253.
20. Morten L. and Obata M., 1990. Rare earth abundances in the Eastern Alpine peridotites, Nonsberg area, Northern Italy. European Journal of Mineralogy 2, 643-653.
21. Morten L. and Trommsdorff V., 2003. Metamorphism and textures of dry and hydrous garnet peridotites. In: Carswell, D.A., Compagnoni, R. (eds): Ultrahigh pressure metamorphism. Eot-vos University Press, Budapest, 5, 443-466.
22. Nimis P. and Morten L., 2000. P-T evolution of 'crustal' garnet peridotites and included pyroxenites from Nonsberg area (upper Austroalpine), NE Italy: from the wedge to the s\ab. Journal of Ceodynamics 30, 93-115. (Pubitemid 30197126)
23. Obata M. and Morten L., 1987. Transformation of spinel lherzolite to garnet lherzolite in ultramafic lenses of the Austridic crystalline Complex, Northern Italy. Journal of Petrology 28,599-623.
24. Pearce N.J.G., Perkins W.T., Westgate J.A., Gorton M.P., Jackson S.E., Neal C.R. and Chenery S.P., 1997. A compilation of new and published major and trace element data for NIST SRM 610 and NIST SRM 612 glass reference materials. Geostandards Newsletter 21, 115-144. (Pubitemid 43897158)
25. Poucnou J.L. and Pichoir F., 1984. A new model for quantitative X-ray microanalysis. Part 1: Application to the analysis of homogeneous samples. La Recherche Aerospatiale 3, 167-192.
26. Proteau G., Scaillet B., Pichavant M. and Maury R., 2001. Evidence for mantle metasomatism by hydrous silicic melts derived from subducted oceanic crust. Nature 410, 197-200. (Pubitemid 32216589)
27. Rampone E. and Morten L., 2001. Records of crustal metasomatism in the garnet peridotites of the Ulten Zone (Upper Austroalpine, Eastern Alps). Journal of Petrology 42, 207-219. (Pubitemid 32184194)
28. Rost F. and Brenneis P., 1978. Die Ultramafitite im Bergzug sudlich des Ultentales, Provinz Alto Adige (Oberitalien). Tschermack Mineralogische und Petrographische Mitteilungen 25, 257-286.
29. Scambelluri M., Hermann J., Morten L. and Rampone E., 2006. Melt- versus fluid-induced metasomatism in spinel to garnet wedge peridotites (Ulten Zone, Eastern Italian Alps): clues from trace element and Li abundances. Contributions to Mineralogy and Petrology 151, 372-394.
30. Sudo A. and Tatsumi Y., 1990. Phlogopite and K-amphibole in the upper mantle: implication for magma genesis in subduction zones. Geophysical Research Letters 17, 29-32.
31. Sun S.-S. and McDonough W.F., 1989. Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. In: Saunders, A.D. and Norry, M.J. (eds) Magmatism in the Ocean Basins. Geological Society of London Special Publication 42, 313-345.
32. Tumiati S. and Martin S., 2003. Garnet peridotite in the Italian Eastern Alps: 150 years of discoveries. Memorie di Scienze Geologiche 55, 31-46.
33. Tumiati S., Thoni M., Nimis P., Martin S. and Mair V., 2003. Mantle-crust interactions during Variscan subduction in the Eastern Alps (Nonsberg-UIten zone): geochronology and new petrological constraints. Earth and Planetary Science Letters 210, 509-526. (Pubitemid 36745813)
34. Tumiati S., Godard G., Martin S., Nimis P., Mair V. and Boyer B., 2005. Dissakisite-(La) from the Ulten zone peridotite (Italian Eastern Alps): A new end-member of the epidote group. American Mineralogist 90, 1177-1185. (Pubitemid 41043364)
35. Tumiati S., Godard G., Martin S., Klotzli U. and Monticelli D., 2007. Fluid-controlled crustal metasomatism within a high-pressure subducted melange (Mt. Hochwart, Eastern Italian Alps). Litlws 94, 148-167. (Pubitemid 46223826)