Chemical features of white micas from the Piemonte calc-schists, Western Alps and implications for K-Ar ages of metamorphism

Gondwana Research

Volumn 7, Issue 2, 2004, Pages 457-466

  Takeshita, Hiroyuki ^a   Gouzu, Chitaro ^b   Itaya, Tetsumaru ^a,b  

^a OKAYAMA UNIVERSITY OF SCIENCE   (Japan)

^b KOBE UNIVERSITY   (Japan)

Author keywords

Detrital white mica; Discordant K Ar age; High pressure metamorphism; Piemonte calc schist; Western Alps

Indexed keywords

CHEMICAL COMPOSITION; METAMORPHISM; MICA; PETROGRAPHY; POTASSIUM-ARGON DATING; SCHIST;

ALPS; WESTERN ALPS;

EID: 1942466423     PISSN: 1342937X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1342-937X(05)70797-8     Document Type: Article

References (44)

1. Ahn, J.H., Peacor, D.R. and Essene, E.J. (1985) Coexisting paragonite-phengite in blueschist eclogite: a TEM study. Amer. Mineral., v. 70, pp. 1193-1204.
2. Amato, M., Johnson, M., Baumgartner, L. and Beard, B. (1999) Rapid exhumation of the Zermatt-Saas ophiolite deduced from high-precision Sm-Nd and Rb-Sr geochronology. Earth Planet. Sci. Lett., v. 171, pp. 425-438.
3. Banno, S. and Sakai, C. (1989) Geologic and metamorphic evolution of the Sanbagawa metamorphic belt, Japan. In Daly, J.S., Cliff, R.A. and Yardley, B.WD. (Eds.), Evolution of metamorphic belts. Geol. Soc. Spec. Pub. No. 43, pp. 519-532.
4. Barnicoat, A.C. and Fry, N. (1989) Eoalpine high-pressure metamorphism in the Piemonte zone of the Alps: south-west Switzerland and northwest Italy. In Daly, J.S., Cliff, R.A. and Yardley, B.WD. (Eds.), Evolution of metamorphic belts. Geol. Soc. Spec. Pub. No. 43, pp. 539-544.
5. Bearth, F. (1974) Zur Gliederung der Bundnerschiefer in der Region von Zermatt. Eclogae Geol. Helv., v. 69, pp. 149-161.
6. Bertrand, J., Nievergelt, P. and Vuagnat, M. (1984) Oceanic sedimentary processes and Alpine metamorphic events in the Montgenevre ophiolite, Western Alps. Ofioliti, v. 9, pp. 303-330.
7. Bocquet, J., Delaloye, M., Hunziker, J.C. and Krummenacher, D. (1974) K-Ar and Rb-Sr dating of blue amphilholes, micas and associated minerals from the Western Alps. Contrib. Mineral. Petrol., v. 47, pp. 7-26.
8. Bowtell, S.A., Cliff, R.A. and Barnicoat, A.C. (1994) Sm-Nd isotopic evidence on the age of eclogitization in the Zermatt Saas ophiolite. J. Metam. Geol., v. 12, pp. 187-196.
9. Chopin, C. (1984) Coesite and pure pyrope in high-grade blueschists of the western Alps: a first record and some consequences. Contrib. Mineral. Petrol., v. 86, pp. 107-118.
10. Chopin, C., Henry, C. and Michard, A. (1991) Geology and petrology of the coesite-bearing terrain, Dora Maira Massif, Western Alps. Eur. J. Mineral., v. 3, pp. 263-291.
11. 39Ar dating of high pressure metamorphic micas from the Gran Paradise Area (Western Alps): evidence against the blocking temperature concept. Contrib. Mineral. Petrol., v. 74, pp. 109-122.
12. 39Ar radiometric study. Contrib. Mineral. Petrol., v. 87, pp. 388-398.
13. Compagnoni, R., Hirajima, T and Chopin, C. (1995) Ultra-highpressure metamorphic rocks in the western Alps. In Coleman, R.G. and Wang, X. (Eds.), Ultra high pressure metamorphism, Cambridge Univ. Press, pp. 206-243.
14. Dal Piaz, G.V. and Ernst, WG. (1978) Areal geology and petrology of eclogites and associated metabasites of the Piemonte ophiolite nappe, Breuil-St. Jacques area, Italian Western Alps. Tectonophys., v. 51, pp. 99-126.
15. Delaloye, M. and Desmons, J. (1976) K-Ar radiometric age determinations of white micas from the Piemonte zone, French-Italian Western Alps. Contrib. Mineral. Petrol., v. 57, pp. 293-303.
16. Desmons, J. (1977) Mineralogical and petrological investigations of Alpine metamorphism in the internal French western Alps. Amer. J. Sci., v. 227, pp. 1045-1066.
17. Desmons, J. (1989) Different metamorphic evolutions in the Alpine-Apenninic ophiolites (France-italy-Switzerland-Austria). Chem. Geol, v. 77, pp. 229-250.
18. Deville, E., Fudral, S., Lagabrielle, Y, Marthaler, M. and Sartori, M. (1992) From oceanic closure to continental collision: A synthesis of the "Schistes lustrés" metamorphic complex of the Western Alps. Geol. Sec. Amer. Bull., v. 104, pp. 127-139.
19. Dodson, M.H. and Mcclelland-Brown, E. (1985) Isotopic and paleomagnetic evidence for rates of cooling, uplift and erosion. In: Snelling N.J. (Ed.), The chronology of the geological record, Geol. Soc. Mem. No. 10, pp. 315-325.
20. Enami, M. (1983) Petrology of pelitic schists in the oligoclasebiotite zone of the Sanbagawa metamorphic terrain, Japan: phase equilibria in the highest grade zone of a high-pressure intermediate type of metarnorphic belt. J. Metam. Geol., v. 1, pp. 141-161.
21. Ernst, W.G. (1971) Metamorphic zonations on presumably subducted lithospheric plates from Japan, California, and the Alps. Contrib. Mineral. Petrol., v. 34, pp. 43-59.
22. Fujino, M. and Itaya, T. (1992) Quantitative analysis of silicates using energy-dispersive X-ray electronprobe microanalyser - EMAX-2200 at Research Center for Microanalysis, Okayama University of Science Bull. Hiruzen Res. Inst., v. 18, pp. 43-58.
23. 39A ages of phengites in ultrahigh-presure metamorphic rocks from the Lago di Cignana area. Pietmente zone, western Alps. M.Sc. thesis of Hokkaido University.
24. Guidotti, C.V. (1984) Micas in metamorphic rocks. In Bailey S.W. (Eds.), Micas, Reviews in mineralogy, Mineral. Soc. Amer., v. 13, pp. 357-467.
25. Guidotti, C.V., Sassi F.P., Sassi R. and Blencoe J.G. (1994) The effects of ferromagnesian components on the paragonite-muscovite solvus: a serniquantitative analysis based on chemical data for natural paragonite-muscovite pairs. J. Metam. Geol., v. 12, pp. 779-788.
26. Hsü, K.J. (1991) Exhumation of high-pressure metamorphic rocks. Geology, v. 19, pp. 107-110.
27. Hunziker, J.C. (1974) Rb-Sr and K-Ar age determination and the Alpine tectonic history of the Western Alps. Inst. Geol. Mineral., Mem. Univ. Padova., v. 31, pp. 1-55.
28. Itaya, T. and Fujino, M. (1999) K-Ar age-chemistry-fabric relations of phengite from the Sanbagawa high-pressure schists, Japan. The Island Arc, v. 8, pp. 523-536.
29. Itaya, T and Fukui, S. (1994) Phengite K-Ar ages of schists from the Sanbagawa southern marginal belt, central Shikoku, SW Japan: influence of detrital mica and deformation on age. The Island Arc, v. 3, pp. 48-58.
30. Itaya, T and Takasugi, H. (1988) Muscovite K-Ar ages of the Sanbagawa schists, Japan and argon depletion during cooling and deformation. Contrib. Mineral. Petrol., v. 100, pp. 281-290.
31. Liewig, N., Caron, J.M. and Clauer, N. (1981) Geochernical and K-Ar isotopic behavior of Alpine sheet silicates during polyphased deformation. Tectonophys., v. 78, pp. 273-290.
32. Klauw, S.N.G.C., Reinecke, T. and Stöckhert, B. (1997) Exhumation of ultrahigh-pressure metamorphic oceanic crust from Lago di Cignana, Piemontese Zone, western Alps: the structural record in metabasites. Lithos, v. 41, pp. 79-102.
33. Messiga, B. (1987) Alpine metamorphic evolution of Ligurian Alps (N-W Italy): chemography and petrological constraints inferred from metamorphic climax assemblages. Contrib. Mineral. Petrol., v. 95, pp. 269-277.
34. 40Ar. Comptes Rendus de l'Academie des Sciences de Paris, v. 309, pp. 24S-251.
35. Oberhänsli, R. (1982) The P-T history of some pillow-lavas from Zermatt. Ofioliti, v. 7, pp. 431-436.
36. Reinecke, T. (1991) Very-high-pressure metamorphism and uplift of coesite-bearing metasediments from the Zermatt-Saas zone, Western Alps. Eur. J. Mineral., v. 3, pp. 7-17.
37. Reinecke, T. (1998) Prograde high- to ultrahigh-pressure metamorphism and exhumation of oceanic sediments at Lago di Cignama, Zermatt-Saas Zone, western Alps. Lithos, v. 42, pp. 147-189.
38. Reinecke, T., van der Klauw, S.N. and Stockhert, B. (1994) UHP metamorphic oceanic crust of the Zermatt-saas zone (Piemontese zone) at Lago di Cignana, Valtournenche, Italy. In Compagnoni R. and Messiga B. (Eds.), High pressure metamorphism in the Western Alps, Guide book to the field excursion of 16th general meeting of the International Mineralogical Association, Pisa, pp. 117-126
39. Rubatto, D., Gebauer, D. and Fanning, M. (1998) Jurassic formation and Eocene subduction of the Zermatt-Saas-Fee ophiolites: implications for the geodynamic evolution of the Central and Western Alps. Contrib. Mineral. Petrol., v. 132, pp. 269-287.
40. 40Ar transport scale and mechanism in high-pressure phengites: a case study from an eclogitized metabasite of the Dora-Maira nappe, western Alps. Geochim. Cosmochim. Acta, v. 60, pp. 1075-1090.
41. 39A continuous laser-probe study from the Dora-Maira nappe of the internal western Alps, Italy Geochim. Cosmochim. Acta, v. 56, pp. 2851-2872.
42. Stampfli, C.M. and Marthaler, M. (1990) Divergent and convergent margins in the North-Western Alps confrontation to actualistic models. Geodinamica Acta, v. 4, pp. 159-184.
43. Takami, M., Isozaki, Y., Nishimura, Y. and Itaya, T. (1993) Effect of detrital white mica and contact metamorphism to K-Ar dating of weakly metamorphosed accretionary complex -an example of Jurassic accretionary complex in eastern Yamaguchi Prefecture, Southwest Japan. J. Geol. Soc. Japan, v. 99, pp. 545-563.
44. Takeshita, H., Shimoya, H. and Itaya, T. (1994) White mica ages of blueschist-facies rocks from the Piemonte "calc-schists" in the western Alps. The Island Arc, v. 3, pp.