Excess 40Ar-free phengite in ultrahigh-pressure metamorphic rocks from the Lago di Cignana area, Western Alps

Lithos

Volumn 92, Issue 3-4, 2006, Pages 418-430

  Gouzu, Chitaro ^a,b,c   Itaya, Tetsumaru ^a,b   Hyodo, Hironobu ^a,b   Matsuda, Takaaki ^d  

^a KOBE UNIVERSITY   (Japan)

^b OKAYAMA UNIVERSITY OF SCIENCE   (Japan)

^c Hiruzen Research Institute of Geology and Chronology   (Japan)

^d KUMAMOTO UNIVERSITY   (Japan)

Author keywords

Ar Ar age; Excess 40Ar; Lago di Cignana; UHPM rocks; Western Alps

Indexed keywords

ARGON ISOTOPE; ARGON-ARGON DATING; CHEMICAL COMPOSITION; DEFORMATION MECHANISM; EXHUMATION; LASER METHOD; PARAGONITE; PHENGITE; RETROGRADE METAMORPHISM; RETROGRESSION; SHRIMP DATING; SUBDUCTION; ULTRAHIGH PRESSURE METAMORPHISM;

ALPS; EURASIA; EUROPE; ITALY; LAGO DI CIGNANA; SOUTHERN EUROPE; VALLE D'AOSTA; WESTERN ALPS;

PARAGONITES;

EID: 33751087470     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.lithos.2006.03.056     Document Type: Article

References (52)

1. Arnaud N.O., and Kelly S. Evidence for excess Ar during high pressure metamorphism in the Dora Maira (western Alps, Italy), using a Ultra-Violet Laser Ablation Microprobe 40Ar-39Ar technique. Contribution to Mineralogy and Petrology 121 (1995) 1-11
2. Amato M., Johnson M., Baumgartner L., and Beard B. Rapid exhumation of the Zermatt-Saas ophiolite deduced from high-precision Sm-Nd and Rb-Sr geochronology. Earth and Planetary Science Letters 171 (1999) 425-438
3. Barnicoat A.C. The Mechanism of veining and retrograde alteration of Alpine eclogites. Journal of Metamorphic Geology 6 (1988) 545-558
4. Barnicoat A.C., and Fry N. High pressure metamorphism of the Zermatt-Saas ophiolite zone, Switzerland. Journal of the Geological Society (London) 143 (1986) 607-618
5. Barnicoat A.C., Rex D.C., Guise P.G., and Cliff R.A. The timing of and nature of green schist facies deformation and metamorphism in the upper Pennine Alps. Tectonics 14 (1995) 279-293
6. Bearth P., and Schwander H. The post-Triassic sediments of the ophiolite zone of Zermatt-Saas Fee and the associated manganese mineralisations. Eclogae Geologicae Helvetiae 74 (1981) 189-205
7. Brodie K.H., and Rutter E.H. Deep crustal extensional faulting in the Ivrea Zone of Northern Italy. Tectonophysics 140 (1987) 193-212
8. Chopin C. Coesite and pure pyrope in high-grade blueschists of the western Alps; a first record and some consequences. Contributions to Mineralogy and Petrology 86 (1984) 107-118
9. Coleman R.G., and Wang X. Overview of the Geology and Tectonics of UHPM. In: Coleman R.G., and Wang X. (Eds). Ultrahigh Pressure Metamorphism (1995), Cambridge University Press 1-32
10. Compagnoni R. The Sesia-Lanzo zone: high pressure-low temperature metamorphism in the Austro-Alpine continental margin. Rendiconti della Società Italiana di Mineralogia e Petrografia 33 (1977) 355-374
11. Dal Piaz G.V., and Ernst W.G. Areal Geology and petrology of eclogites and associated metabasites of the Piemonte ophiolite nappe, Breuil-St. Jacques area, Italian Western Alps. Tectonophysics 51 (1978) 99-126
12. De Jong K., Féraud G., Ruffet G., Amouric M., and Wijbrans J.R. Excess argon incorporation in phengite of the Mulhacén Complex: submicroscopic illitization and fluid ingress during late Miocene extension in the Betic Zone, south-eastern Spain. Chemical Geology 178 (2001) 159-195
13. Ellis A.C., Barnicoat A.C., and Fry N. Structural and metamorphic constraints on the tectonic evolution of the upper Pennine Alps. Alpine Tectonics. Special Publication vol. 45 (1989), Geological Society, London 173-188
14. Giorgis D., Cosca M., and Li S. Distribution and significance of extraneous argon in UHP eclogite (Suru terrain, China): insight from in situ 40Ar/39Ar UV laser ablation analysis. Earth and Planetary Science Letters 181 (2000) 605-615
15. Hunziker J.C. Rb-Sr and K-Ar age determination and the Alpine tectonic history of the western Alps. Memorie degli Istituti di Geologia e Mineralogia dell'Università di Padova 31 (1974) 1-54
16. Hyodo H., Matsuda T., Fukui S., and Itaya T. 40Ar/39Ar age determination of a single mineral grain by Laser step heating. The Bulletin of Research Institute of Natural Science 20 (1994) 63-67 (in Japanese with English Abstract)
17. Hyodo H., Itaya T., and Matsuda T. Temperature measurement of small minerals and its precision using Laser heating. The Bulletin of Research Institute of Natural Science 21 (1995) 3-6 (in Japanese with English Abstract)
18. Hyodo H., Kim S., Itaya T., and Matsuda T. Homogeneity of neutron flux during irradiation for 40Ar/39Ar age dating in the research reactor at Kyoto University. Journal of Mineralogy, Petrology and Economic Geology 94 (1999) 329-337
19. Inger S., Ramsbotham W., Cliff R.A., and Rex D.C. Metamorphic evolution of the Sesia-Lanzo zone, Western Alps: time constraints from multi-system geochronology. Contributions to Mineralogy and Petrology 126 (1996) 152-168
20. Isozaki Y., and Itaya T. Chronology of Sanbagawa metamorphism. Journal of Metamorphic Geology 8 (1990) 401-411
21. Itaya T., and Fujino M. K-Ar age-chemistry-fabric relations of phengite from the Sanbagawa high-pressure schists, Japan. The Island Arc 8 (1999) 523-536
22. Itaya T., and Takasugi H. Muscovite K-Ar ages of the Sanbagawa schists, Japan and argon depletion during cooling and deformation. Contributions to Mineralogy and Petrology 100 (1988) 281-290
23. Jahn B., Caby R., and Monie P. The oldest UHP eclogites of the World: age of UHP metamorphism, nature of protoliths and tectonic implications. Chemical Geology 178 (2001) 143-158
24. Lagabrielle Y., and Cannat M. Alpine Jurassic ophiolites resemble the modern central Atlantic basement. Geology 18 (1990) 319-322
25. Lapen T.J., Johnson C.M., Baumgartner L.P., Mahlen N.J., Beard B.L., and Amato J.M. Burial rates during prograde metamorphism of an ultra-high-pressure terrane: an example from Lago di Cignana, western Alps, Italy. Earth and Planetary Science Letters 215 (2003) 57-72
26. Li S., Wang S., Chen Y., Liu D., Qiu J., Zhou H., and Zhang Z. Excess argon in phengite from eclogite: evidence from dating of eclogite minerals by Sm-Nd, Rb-Sr and 40Ar/39Ar methods. Chemical Geology 112 (1994) 343-350
27. Martin S., and Kienast J.R. The Hp-LT manganiferous quartzites of Praborna, Piemont ophiolite nappe, Italian Western Alps. Schweizerische Mineralogische und Petrographische Mitteilungen 67 (1987) 339-360
28. McDougall I., and Harrison T.M. Geochronology and thermochronology by the 40Ar/39Ar method (1999), Oxford University Press 269
29. Miyashita A., and Itaya T. K-Ar age and chemistry of phengite from the Sanbagawa schists in the Kanto mountains, Central Japan, and their implication for exhumation tectonics. Gondwana Research 5 (2002) 837-848
30. Nishimura Y., Coombs D.S., Landis C.A., and Itaya T. Continuous metamorphic gradient documented by graphitization and K-Ar age, southeast Otago, New Zealand. American Mineralogist 85 (2000) 1625-1636
31. Otsuki M., and Banno S. Prograde and retrograde metamorphism of hematite-bearing basic schists in the Sanbagawa belt in central Shikoku. Journal of Metamorphic Geology 8 (1990) 425-439
32. Pfeifer H.-R., Colombi A., and Ganguin J. Zermatt-Saas and Antrona Zone: a petrographic and geochemical comparison of polyphase metamorphic ophiolites of the western-central Alps. Schweizerische Mineralogische und Petrographische Mitteilungen 69 (1989) 217-236
33. Pognante U., and Sandrone R. Eclogites in the Northern Dora-Maira Nappe (western Alps, Italy). Mineralogy and Petrology 40 (1989) 57-71
34. Purdy J.W., and Jäger E. K-Ar ages on rock-forming minerals from the Central Alps. Memorie degli Istituti di Geologia e Mineralogia dell'Università di Padova 30 (1976) 31
35. Reinecke T. High pressure metamorphism and uplift of coesite-bearing metasediments from the Zermatt-Saas zone, Western Alps. European Journal of Mineralogy 3 (1991) 7-17
36. Reinecke T. Prograde high-to ultrahigh-pressure metamorphism and exhumation of oceanic sediments at Lago di Cignana, Zermatt-Saas Zone, western Alps. Lithos 42 (1998) 147-189
37. Roddick J.C. High precision intercalibration of 40Ar-39Ar standards. Geochimica et Cosmochimica Acta 47 (1983) 887-898
38. Rubatto D., Gebauer D., and Fanning M. Jurassic formation and Eocene subduction of the Zermatt-Saas-Fee ophiolites: implications for the geodynamic evolution of the Central and Western Alps. Contributions to Mineralogy and Petrology 132 (1998) 269-287
39. Ruffet G., Féraud G., Ballévre M., and Kiénast J.R. Plateau ages and excess argon in phengites: an 40Ar-39Ar laser probe study of Alpine micas (Sesia zone, Western Alps, northern Italy). Chemical Geology 121 (1995) 327-343
40. Ruffet G., Gruau G., Ballévre M., Féraud G., and Philippot P. Rb-Sr and 40Ar-39Ar laser probe dating of high-pressure phengites from the Sesia zone (Western Alps): underscoring of excess argon and new age constraints on the high-pressure metamorphism. Chemical Geology 41 (1997) 1-18
41. Scaillet S. Exess 40Ar transport scale and mechanism in high-pressure phengites; a case study from an eclogitized metabasite of the Dora-Maira nappe, western Alps. Geochimica et Cosmochimica Acta 60 (1996) 1075-1090
42. Schertl H.P., Schreyer W., and Chopin C. The pyrope-coesite rocks and their country rocks at Parigi, Dora Maira Massif, Western Alps; detailed petrography, mineral chemistry and PT-path. Contributions to Mineralogy and Petrology 108 (1991) 1-21
43. 39Ar geochronology in a high-pressure terrain. Geochimica et Cosmochimica Acta 63 (1999) 2835-2838
44. Sletten V.W., and Onstott T.C. The effect of the instability of muscovite during in vacuo heating on 40Ar/39Ar step-heating spectra. Geochimica et Cosmochimica Acta 62 (1998) 123-141
45. Takeshita H., and Itaya T. Radiometric ages of Alpine metamorphic rocks in the western and central Alps. The Island Arc 2 (1993) 193-212
46. Takeshita H., Gouzu C., and Itaya T. Chemical features of white micas from the Piemonte calc-schists, western Alps and implications for K-Ar ages of metamorphism. Gondwana Research 7 (2004) 457-466
47. Tonarini S., Villa I.M., Oberli F., Meier M., Spencer D.A., Pognante U., and Ramsay J.G. Eocene age of eclogite metamorphism in Pakistan Himalaya: implications for India-Eurasian collision. Terra Nova 5 (1993) 13-20
48. Tsujimori T., Esaka N., Abibola A.F., Nishido H., Ninagawa K., and Itaya T. Quantitative analysis of rock-forming minerals by a modern wavelength-dispersive type EPMA: a preliminary report. The Bulletin of Research Institute of Natural Science 23 (1997) 51-60
49. van der Klauw S.N.G.C., Reinecke T., and Stockhert B. Exhumation of ultrahigh-pressure metamorphic oceanic crust from Lago di Cignana, Piemontese zone, western Alps: the structural record in metabasites. Lithos 41 (1997) 79-102
50. Vearncombe J.R. High-pressure-low-temperature metamorphism in the Gran Paradiso basement, Western Alps. Journal of Metamorphic Geology 1 (1983) 103-115
51. Villa I.M. Isotopic closure. Terra Nova 10 (1998) 42-47
52. Zingg A., Handy M.R., Hunziker J.C., and Schmid S.M. Tectono-metamorphic history of the Ivrea Zone and its relationship to the crustal evolution of the southern Alps. Tectonophysics 182 (1990) 169-192