Reconnaissance isotopic investigations on rocks of an undeformed granite contact within the coesite-bearing unit of the Dora Maira Massif

Lithos

Volumn 41, Issue 1-3, 1997, Pages 25-36

  Tilton, G R ^a   Ames, L ^a   Schertl, H P ^b   Schreyer, W ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b RUHR UNIVERSITY BOCHUM   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001806547     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0024-4937(97)82003-8     Document Type: Article

References (25)

1. 39Ar technique. Contrib. Mineral. Petrol. 121, 1-11.
2. Brewer, M.S., Lippolt, H.J., 1974. Petrogenesis of basement rocks of the upper Rhein region elucidated by Rb-Sr systematics. Contrib. Mineral. Petrol. 45, 123-141.
3. Chopin, C., 1984. Coesite and pure pyrope in high-grade blueschists of the Western Alps: A first record and some consequences. Contrib. Mineral. Petrol. 86, 107-118.
4. Chopin, C., Henry, C., Michard, A., 1991. Geology and petrology of the coesite-bearing terrain, Dora Maira massif, Western Alps. Eur. J. Mineral. 3, 263-291.
5. Compagnoni, R., Hirajima, T., 1992. Occurrence and significance of super-zoned garnet in the coesite-bearing whiteschist of southern Dora-Maira Massif, Western Alps. 29th Int. Geol. Congr. Kyoto, Abstr. II., pp. 599.
6. Compagnoni, R, Messiga, B., Castelli, D., 1994. High pressure metamorphism in the Western Alps. 16th IMA General Meeting, Field Excursion Guidebook, 148 pp.
7. 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. Cambridge University Press, New York, pp. 206-243.
8. Dal Piaz, G.V., Lombardo, B., 1985. Review of radiometric dating in the Western Italian Alps. Rend. Soc. Ital. Mineral. Petrol. 40, 125-138.
9. Gebauer, D., Schertl, H.-P., Brix, M., Schreyer, W., 1997. 35 Ma old ultrahigh-pressure metamorphism and evidence for very rapid exhumation in the Dora Maira Massif, Western Alps. Lithos 41, 5-25 (This Volume).
10. Hammerschmidt, K., Schertl, H.-P., Friedrichsen, H., Schreyer, W., 1992. Überschuß-Argon während der retrograden Metamorphose der Ultrahochdruck-Gesteine des Dora-Maira Massivs, italienische Westalpen. Berichte der deutschen Mineralogischen Gesellschaft. Beih. Eur. J. Mineral. 4, 112.
11. Kober, B., Lippolt, H.J., 1985. Pre-Hercynian mantle lead transfer to basement rocks as indicated by lead isotopes of the Schwarzwald crystalline, SW-Germany. Contrib. Mineral. Petrol. 90, 162-171.
12. Liew, T.C., Hofmann, A.W., 1988. Precambrian crustal components, plutonic associations, plate environment of the Hercynian Fold Belt of central Europe: Indications from a Nd and Sr study. Contrib. Mineral. Petrol. 98, 129-138.
13. Michard, A., Henry, C., Chopin, C., 1995. Structures in UHPM rocks: A case study from the Alps. In: Coleman, R.G., Wang, X. (Eds.), Ultrahigh Pressure Metamorphism. Cambridge University Press, New York, pp. 132-158.
14. 40Ar de la redistribution de l'argon dans les minéraux des socles anciens repris par l'orogenèse Alpine. Application à la géochronologie des Massifs de l'Argentera-Mercantour, du Mont-Rose et de la Grande Kabylie. Thèse, Université de Montpellier, 206 pp.
15. 39Ar dating in coesite-bearing and associated units of the Dora Maira massif, Western Alps. Eur. J. Mineral. 3, 239-262.
16. Paquette, J.-L., Chopin, C., Peucat, J.-J., 1989. 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, 280-289.
17. 39Ar continuous laser-probe study from the Dora-Maira nappe of the internal western Alps, Italy. Geochim. Cosmochim. Acta 56, 2851-2872.
18. Schertl, H.-P., Schreyer, W., Chopin, C., 1991. 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, 1-21.
19. Siebel, W., 1995. Constraints on Variscan granite emplacement in northeast Bavaria, Germany: further clues from a petrologic study of the Mitterteich granite. Geol. Rundsch. 84, 384-398.
20. Tilton, G.R., Schreyer, W., Schertl, H.-P., 1989. Pb-Sr-Nd isotopic behavior of deeply subducted crustal rocks from the Dora Maira Massif, Western Alps, Italy. Geochim. Cosmochim. Acta 53, 1391-1400.
21. Tilton, G.R., Schreyer, W., Schertl, H.-P., 1991. Pb-Sr-Nd isotopic behavior of deeply subducted crustal rocks from the Dora Maira Massif, Western Alps, Italy-II. What is the age of the ultrahigh-pressure metamorphism?. Contrib. Mineral. Petrol. 108, 22-33.
22. Todt, W., 1976. Zirkon-U/Pb-Alter des Malsburg-Granits vom Süd-Schwarzwald. Neues Jahrb. Mineral. Monatsh. 1976, 532-544.
23. 205Pb double spike for high-precision lead isotope analysis. In: Basu, A., Hart, S. (Eds.), Earth Processes: Reading the Isotopic Code, Geophys. Monogr., Vol. 95. AGU, Washington, DC, pp. 429-437.
24. Tonarini, S., Villa, I.M., Oberli, F., Meier, M., Spencer, D.A., Pognante, U., Ramsay, J.G., 1993. Eocene age of eclogite metamorphism in Pakistan Himalaya: Implications for India-Eurasia collision. Terra Nova 5, 13-20.
25. Vitrac, A.M., Albarede, F., Allegre, C.J., 1981. Lead isotope composition of Hercynian granitic K-feldspars constrains continental genesis. Nature 291, 460-464.