The ultramafic contact aureole about the Bregaglia (Bergell) tonalite: Isograds and a thermal model

Schweizerische Mineralogische und Petrographische Mitteilungen

Volumn 76, Issue 3, 1996, Pages 537-547

  Trommsdorff, Volkmar ^a   Connolly, James A D ^a  

^a ETH ZURICH   (Switzerland)

Author keywords

Antigorite; Bergell (Bregaglia) tonalite; Central Alps; Contact metamorphism; Heat conduction; Malenco serpentinite; Regional metamorphism; Thermal model

Indexed keywords

ANTIGORITE; CONTACT METAMORPHISM; REGIONAL METAMORPHISM; SERPENTINITE; TONALITE;

ITALY, ALPS, VAL MALENCO;

EID: 0030426237     PISSN: 00367699     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (43)

1. BERGER, A. and GIERÉ, R. (1995): Structural observations at the eastern contact of the Bergell pluton. Schweiz. Mineral. Petrogr. Mitt., 75, 241-258.
2. BUCHER-NURMINEN, K. (1977): Die Beziehungen zwischen Deformation, Metamorphose und Magmatimus im Gebiet der Bergeller Alpen. Schweiz. Mineral. Petrogr. Mitt., 57, 413-434.
3. BURNHAM, C.W. and NEVASKIL, H. (1986): Granite pegmatite magmas. Am. Mineral. 71, 239-264.
4. CARSLAW, H.S. and JAEGER, J.C. (1969): Conduction of heat in solids. Oxford University Press, 510 pp.
5. CHAPMAN, D.S. and FURLONG, K.P. (1992): Thermal state of the lower continental crust. In: FOUNTAIN, D.M., ARCULUS, A. and KAY, R.W. (eds.): Continental Lower Crust, Elsevier, 408 pp.
6. CLARK, S.P. (1966): Handbook of physical constants. Geol. Soc. Mem. 97, 587 pp.
7. 2O: new calorimetric data and some geologic implications. J. Geol. 95, 173-186.
8. CONNOLLY, J.A.D. (1990): Calculation of multivariable phase diagrams: an algorithm based on generalized thermodynamics. Am. J. Sci. 290, 666-718.
9. CONNOLLY, J.A.D. (1995): Phase diagram methods for graphitic rocks. In: "Quantitative Phase Diagram Applications in Earth Material Sciences", Proceedings of the VII Siena Summer School, University of Siena, 35-66.
10. CONNOLLY, J.A.D. (1996): Mid-crustal focused fluid movement: thermal consequences and silica transport. In: JAMTVEIT, B. and YARDLEY, B. (eds): Fluid flow and transport in rocks, 233-249. Chapman Hall, 430 pp.
11. CONNOLLY, J.A.D. and THOMPSON, A.B. (1989): Fluid and enthalpy production during regional metamorphism. Contrib. Mineral. Petrol. 102, 346-366.
12. CONNOLLY, J.A.D. and TROMMSDORFF, V. (1991): Petrogenetic grids for metacarbonate rocks: pressure-temperature phase-diagram projection for mixed-volatile systems. Contrib. Mineral. Petrol. 108, 93-105.
13. CORNELIUS, H.P. (1928): Zur Altersbestimmung der Adamello- und Bergeller Intrusion. Sitzungsberichte der Akademie der Wissenschaften in Wien, Mathem.-naturw. Klasse, Abt. I, 137/8, 541-562.
14. EVANS, B.W. and GHIORSO, M.S. (1995): Thermodynamics and petrology of cummingtonite. Am. Mineral. 80, 949-963.
15. FERRY, J.M. (1995): Fluid flow during contact metamorphism of ophicarbonate rocks in the Bergell aureole, Val Malenco, Italian Alps. J. Petrol. 36, 1039-1053.
16. FURLONG, K.P. and CHAPMAN, D.S. (1987): Crustal heterogeneities and the thermal structure of the continental crust. Geophys. Res. Lett. 14, 314-317.
17. FURLONG, K.P., HANSON, R.B. and BOWERS, J.R. (1991): Modeling thermal regimes. Rev. Mineral. 26, 437-505.
18. GIERÉ, R. (1985): Metasedimente der Suretta-Decke am Ost- und Südostrand der Bergeller Intrusion: Lithostratigraphische Korrelation and Metamorphose. Schweiz. Mineral. Petrogr. Mitt. 65, 57-78.
19. GUNTLI, P. and LINIGER, M. (1989): Metamorphose in der Margnadecke im Bereich Piz de la Margna und Piz Fedoz (Oberengadin). Schweiz. Mineral. Petrogr. Mitt. 69, 289-301.
20. HOLLAND, T.J.B, and POWELL, R. (1990): An enlarged and updated internally consistent dataset with uncertainties and correlations. J. Met. Geol. 8, 89-124.
21. 2O in the range 1 bar to 50 kbar and 100-600°C. Contrib. Mineral. Petrol. 109, 265-273.
22. JAEGER, E. (1973): Die alpine Orogenese im Lichte der radiometrischen Altersbestimmung. Eclogae geol. Helv. 66/1, 11-21.
23. MELLINI, M., TROMMSDORFF, V. and COMPAGNONI, R. (1987): Antigorite polysomatism: behaviour during progressive metamorphism. Contr. Mineral. Petrol. 97, 147-155.
24. PERETTI, A. (1985): Der Monte-del-Forno-Komplex am Bergell-Ostrand: Seine Lithostratigraphie, alpine Tektonik and Metamorphose. Eclogae geol. Helv. 78, 23-48.
25. PFIFFNER, M. and WEISS, M. (1994): Strukturelle und petrographische Untersuchungen im Grenzbereich Penninikum-Unterostalpin am Südostrand des Bergell-Plutons (Val Masino, Italien). Schweiz. Mineral. Petrogr. Mitt., 74, 245-264.
26. PIWINSKII, A.J. (1968): Experimental studies of igneous rock series: central Sierra batholith, California. J. Geol. 76, 548-570.
27. POZZORINI, D. (1996): Stable isotope investigations of ophicarbonate rocks Bergell aureole, Malenco: Constraints on fluid-rock interaction. Ph. D. Thesis ETH Zürich, 198 pp.
28. PRICE, R.H. and SLACK, M.R. (1954): The effect of latent heat on numerical solutions of the heat flow equation. British J. Appl. Phys. 5, 285-287.
29. REBER, D. (1995): Strukturelle and petrographische Untersuchungen im oberen Val Malenco (Prov. Sondrio, N-Italia). Diplomarbeit Univ. Zürich, 109 pp. (unpubl.).
30. REUSSER, C.E. (1987): Phasenbeziehungen im Tonalit der Bergeller Intrusion (Graubünden, Schweiz/ Provinz Sondrio, Italien). Ph. D. Thesis ETH Zürich, 220 pp.
31. RIKLIN, K. (1978): Strukturen und Metamorphose im Bereich der südlichen Murettolinie. Schweiz. Mineral. Petrogr. Mitt., 58, 345-356.
32. SCHATZ, J.F. and SIMMONS, G. (1972): Thermal conductivity of earth materials at high temperatures. J. Geophys. Res. 77, 6966-6983.
33. SCHMUTZ, H.V. (1976): Der Mafitit-Ultramafitit-Komplex zwischen Chiavenna und Val Bondasca. Beitr. Geol. Karte Schweiz Neue Folge 149, 73 pp.
34. 2O. Contr. Mineral. Petrogr. 104/1, 1-7.
35. TROMMSDORFF, V. and EVANS, B.W. (1972): Progressive metamorphism of antigorite schist in the Bergell tonalite aureole (Italy). Am. J. Sci. 272, 423-437.
36. TROMMSDORFF, V. and EVANS, B.W. (1974): Alpine metamorphism of peridotitic rocks. Schweiz. Mineral. Petrogr. Mitt. 54, 333-352.
37. TROMMSDORFF, V. and EVANS, B.W. (1977): Antigoriteophicarbonates: contact metamorphism in Val Malenco. Italy. Contrib. Mineral. Petrol. 62, 310-312.
38. TROMMSDORFF, V. and NIEVERGELT, P. (1983): The Bregaglia (Bergell) Iorio intrusive and its field relations. Mem. Soc. Geol. It. 26, 55-68.
39. TURCOTTE, D.L. and SCHUBERT, G. (1992): Geodynamics. Wyllie, 447 pp.
40. VON BLANKENBURG, F. (1990): Isotope geochemical and geochronological case studies of Alpine magmatism and metamorphism: the Bergell intrusion and Tauern window. Ph. D. Thesis ETH Zürich, 186 pp.
41. WENK, H.R. (1973): The structure of the Bergell Alps. Eclogae geol. Helv. 66, 255-291.
42. WENK, H.R. and WENK, E. (1969): Physical constants of alpine rocks. Schweiz. Mineral. Petrogr. Mitt. 49, 343-358.
43. WICKHAM, S.M. (1987): The segregation and emplacement of granitic magmas. J. Geol. Soc. Lond. 144, 281-297.