Metamorphic history of eclogitic metagabbro blocks from a tectonic mélange in the Voltri Massif, Ligurian Alps, Italy

Ofioliti

Volumn 27, Issue 1, 2002, Pages 1-16

  Brouwer, Fraukje M ^a,b   Vissers, Reinoud L M ^a   Lamb, William M ^c  

^a UTRECHT UNIVERSITY   (Netherlands)

^b GEOPHYSICAL LABORATORY   (United States)

^c TEXAS A AND M UNIVERSITY   (United States)

Author keywords

Alpine. voltri; Beigua; Eclogites; M lange; Thermal history

Indexed keywords

EID: 2042545946     PISSN: None     EISSN: 03912612     Source Type: Journal    
DOI: None     Document Type: Article

References (65)

1. Barnicoat A.C. and Fry N., 1986. High-pressure metamorphism of the Zermatt-Saas ophiolite zone, Switzerland. J. Geol. Soc. London, 143: 607-618.
2. Borsi L., Schärer U., Gaggero L. and Crispini L., 1996. Age, origin and geodynamic significance of plagiogranites in lherzolites and gabbros of the Piemont-Ligurian ocean basin. Earth Planet. Sci. Lett., 140: 227-241.
3. Capponi G., Crispini L., Cancino E. and Cavanna F., 1999. The Gargassino Valley Thrust: evidence of Oligocene-Early Miocene thrust tectonics in the Voltri Group (Ligurian Alps). Boll. Soc. Geol. It., 118: 479-484.
4. Carswell D.A. and Harley S.L., 1990. Mineral barometry and thermometry. In: D.A. Carswell (Ed.). Eclogite facies rocks.: p. 83-110.
5. Carswell D.A., O'Brien P.J., Wilson R.N. and Zhai M., 1997. Thermobarometry of phengite-bearing eclogites in the Dabie Mountains of central China. J. Metam. Geol., 15: 239-252.
6. Cawthorn R.G. and Collerson K.D., 1974. The recalculation of pyroxene end-member parameters and the estimation of ferrous and ferric iron content from electron microprobe analysis. Am. Mineral., 59: 1203-1208.
7. Chiesa S., Cortesogno L., Forcella F., Galli M., Messiga B., Pasquare G., Pedemonte G.M., Piccardo G. and Rossi P.M., 1975. Assetto strutturale ed interpretazione geodinamica del Gruppo di Voltri. Boll. Soc. Geol. It., 94: 555-581.
8. D'Antonio D., Gosso G., Messiga B., Scambelluri M. and Tallone S., 1984. Analisi strutturale e ricostzione litostratigrafica al margine sud-orientale del Massiccio di Voltri, zona piemontese-ligure, Alpi Liguri. Mem. Soc. Geol. It., 28: 447-460.
9. D'Atri A., Piana F., Tallone S., Bodrato G. and Roz Gastaldi M., 1997. Tettonica Oligo-Miocena nell'Alto Monferrato (Bacino Terziario Piemontese) e nel settore nord-occidentale del Gruppo di Voltri (Asqui Terme - Cassinelle, AL). Atti Tic. Sc. Terra Serie spec., 5: 85-100.
10. Dercourt J., Ricou L.E. and Vrielynck B., 1993. Atlas Tethys Palaeoenvironmental maps. Gauthier-Villars, Paris, p. 307, 14 maps, 1 pl.
11. Dewey J.F., Helman M.L., Turco E., Hutton D.H.W. and Knott S.D., 1989. Kinematics of the western Mediterranean. In: M.P. Coward, D. Dietrich and R.G. Park (Eds.). Alpine Tectonics. Geol. Soc. Spec. Publ., 45: p. 265-283.
12. 3+concentrations in ferromagnesian silicates and oxides from microprobe analysis, using stoichiometric criteria. Mineral. Mag., 51: 431-435.
13. Ernst W.G., 1979. Coexisting sodic and calcic amphiboles from high-pressure metamorphic belts and the stability of barroisitic amphibole. Mineral. Mag., 43: 269-278.
14. Ernst W.G. and Piccardo G.B., 1979. Petrogenesis of some Ligurian peridotites - I. Mineral and bulk-rock chemistry. Geoch. Cosmoch. Acta, 43: 219-237.
15. Green T.H. and Hellman P.L., 1982. Fe-Mg partitioning between coexisting garnet and phengite at high pressure, and comments on a garnet-phengite geothermometer. Lithos, 15: 253-266.
16. Guillot S., Hattori K.H. and de Sigoyer J., 2000. Mantle wedge serpentinization and exhumation of eclogites: Insights from eastern Ladakh, northwest Himalaya. Geology, 28: 199-202.
17. Guillot S., Hattori K.H., de Sigoyer J., Nägler T. and Auzende A.L., 2001. Evidence of hydration of the mantle wedge and its role in the exhumation of eclogites. Earth Planet. Sci. Lett., 193: 115-127.
18. Haccard D. and Lorenz C., 1979. Les déformations de l'Éocène supérieur au Stampien de la terminaison septentrionale de la zone de Sestri-Voltaggio. Bull. Soc. géol. France, 21: 401-413.
19. Hermann J., Müntener O. and Scambelluri M., 2000. The importance of serpentinite mylonites for subduction and exhumation of oceanic crust. Tectonoph., 327: 225-238.
20. Holland T. and Blundy J., 1994. Non-ideal interactions in calcic amphiboles and their bearing on amphibole-plagioclase thermometry. Contrib. Mineral. Petrol., 116: 433-447.
21. Holland T.J.B., 1983. The experimental determination of activities in disordered and short-range ordered jadeitic pyroxenes. Contrib. Mineral. Petrol., 82: 214-220.
22. Holland, T.J.B., 1988. Preliminary phase relations involving glaucophane and applications to high pressure petrology: New heat capacity and thermodynamic data. Contrib. Mineral. Petrol., 99: 134-142.
23. Holland T.J.B. and Powell R., 1990. An enlarged and updated internally consistent thermodynamic dataset with uncertainties and correlations: the system K2O-Na2O-CaO-MgO-MnO-FeOFe 2O3-Al2O3-TiO2-SiO2-C-H2-O2. J. Metam. Geol., 8: 89-124.
24. Hoogerduijn Strating E.H., 1991. The evolution of the Piedmont- Ligurian ocean. A structural study of ophiolite complexes in Liguria (NW Italy). Geologica Ultraiectina, 74: 144 pp.
25. Hoogerduijn Strating E.H., 1994. Extensional faulting in an intraoceanic subduction complex - working hypothesis for the Paleogene of the Alps-Apennine system. Tectonoph., 238: 255-273.
26. Hoogerduijn Strating E.H. and Van Wamel W.A., 1989. The structure of the Bracco ophiolite complex (Ligurian Appenines, Italy) - a change from Alpine to Apennine polarity. J. Geol. Soc. London, 146: 933-944.
27. Hunziker J.C., Desmons J. and Hurford A.J., 1992. Thirty-two years of geochronological work in the Central and Western Alps: a review on seven maps. Mémoires de Géologie (Lausanne), 13., Lausanne, 59 pp.
28. Kretz R., 1983. Symbols for rock-forming minerals. Am. Mineral., 68: 277-279.
29. Leake B.E., 1978. Nomenclature of amphiboles. Mineral. Mag., 42: 533-563.
30. Lemoine M., Tricart P. and Boillot G., 1987. Ultramafic and gabbroic ocean floor of the Ligurian Tethys (Alps, Corsica, Apennines): In search of a genetic model. Geology, 15: 622-625.
31. Lemoine M. and Trümpy R., 1987. Pre-oceanic rifting in the Alps. Tectonoph., 133: 305-320.
32. Liou J.G., Kim H.S. and Maruyama S., 1983. Prehnite-epidote equilibria and their petrologic applications. J. Petrol., 24: 321-342.
33. Liou J.G., Zhang R., Ernst W.G., Liu J. and McLimans R., 1998. Mineral parageneses in the Piampaludo eclogitic body, Gruppo di Voltri, Western Ligurian Alps. Schweiz. Mineral. Petrogr. Mitt., 78: 317-335.
34. Lips A.L.W., 1998. Temporal constraints on the kinematics of the destabilization of an orogen; syn- to post-orogenic extensional collapse of the Northern Aegean region. Geologica Ultraiectina, 166: 224 pp.
35. 39Ar laserprobe direct dating discrete deformational events: a continuous record of early Alpine tectonics in the Pelagonian Zone, NW Aegean area, Greece. Tectonoph., 298: 133-153.
36. Maresch W.V., 1977. Experimental studies on glaucophane: an analysis of present knowledge. Tectonoph., 43: 109-125.
37. Maruyama S., Suzuki K. and Liou J.G., 1983. Greenschist-amphibolite transition equilibria at low pressures. J. Petrol., 24: 583-604.
38. Massonne H.J., 1991. High-pressure, low-temperature metamorphism of pelitic and other protoliths based on experiments in the system K2O-MgO-Al2O3-SiO2-H2O. Unpublished Post-Doc thesis, University of Bochum, 172 pp.
39. Massonne H.J. and Schreyer W., 1987. Phengite geobarometry based on the limiting assemblage with K-feldspar, phlogopite, and quartz. Contrib. Mineral. Petrol., 96: 212-224.
40. McKenzie D., 1984. The generation and compaction of partially molten rock. J. Petrol., 25: 713-765.
41. Messiga B., Piccardo G.B. and Ernst W.G., 1983. High-pressure eo-Alpine parageneses developed in magnesian metagabbros, Gruppo di Voltri, Western Liguria, Italy. Contrib. Mineral. Petrol., 83: 1-15.
42. Messiga B. and Scambelluri M., 1991. Retrograde P-T-t path for the Voltri Massif eclogites (Ligurian Alps, Italy): some tectonic implications. J. Metam. Geol., 9: 93-109.
43. Moody J.B., Meyer D. and Jenkins J.E., 1983. Experimental characterization of the greenschist/amphibolite boundary in mafic systems. Am. J. Sci., 283: 48-92.
44. Morimoto N., Ferguson A.K., Ginzburg I.V., Ross M., Seifert F.A., Zussman J., Aoki K. and Gottardi G., 1988. Nomenclature of pyroxenes. Mineral. Mag., 52: 535-550.
45. Morten L., Bocchio R. and Mottana A., 1985. Transformation of a superferroan eclogite within serpentinite: a case study from the Voltri Group, Italy. Chem. Geol., 50: 111-127.
46. Mottana A. and Bocchio R., 1975. Superferric eclogites of the Voltri Group (Pennidic Belt, Apennines). Contrib. Mineral. Petrol., 49: 201-210.
47. Neumann E.R., 1976. Two refinements for the calculation of structural formulae for pyroxenes and amphiboles. Norsk Geol. Tidsskr., 56: 1-6.
48. Nisio P. and Lardeaux J.M., 1987. Retromorphic Fe-rich talc in low-temperature eclogites: example from Monviso (Italian Western Alps). Bull. Minéral., 110: 427-437.
49. Piccardo G.B., Cortesogno L., Messiga B., Galli M. and Pedemonte G.M., 1977. Excursion to the metamorphic ophiolites of the Gruppo di Voltri - guide book. Rend. Soc. It. Geol. Min. Petrol., 33: 295-314.
50. Platt J.P., 1986. Dynamics of orogenic wedges and the uplift of high-pressure metamorphic rocks. Geol. Soc. Am. Bull., 97: 1037-1053.
51. Powell R., 1985. Regression diagnostics and robust regression in geothermometer/geobarometer calibration: the garmet-clinopyroxene geothermometer revisited. J. Metam. Geol., 3: 231-243.
52. Råheim A. and Green D.H., 1974. Experimental determination of the temperature and pressure dependence of the Fe-Mg partition coefficient for coexisting garnet and clinopyroxene. Contrib. Mineral. Petrol., 48: 179-203.
53. Rötzler J., Carswell D.A., Gerstenberger H. and Haase G., 1999. Transitional blueschist-epidote amphibolite facies metamorphism in the Frankenberg Massif, Germany, and geotectonic implications. J. Metam. Geol., 17: 109-125.
54. Schamel S. and Hunziker J., 1977. Eocene-Oligocene blueschist facies metamorphism in Liguria, Italy, and Alpine Corsica. GSA Abstr. Progr., 9: 1158-1159.
55. Schmid S.M. and Kissling E., 2000. The arc of the western Alps in the light of geophysical data on deep structure. Tectonics, 19: 62-85.
56. Schmid S.M., Pfiffner O.A., Froitzheim N., Schönborn G. and Kissling E., 1996. Geophysical-geological transect and tectonic evolution of the Swiss-Italian Alps. Tectonics, 15: 1036-1064.
57. Schumacher J.C., 1991. Empirical ferric iron corrections: necessity, assumptions, and effects on selected geothermobarometers. Mineral. Mag., 55: 3-18.
58. Schwartz S., Allemand P. and Guillot S., 2001. Numerical model of the effect of serpentinites on the exhumation of eclogitic rocks: insights from the Monviso ophiolitic massif (Western Alps). Tectonoph. 342: 193-206.
59. Spear F.S., 1989. Relative thermobarometry and metamorphic P-T paths. In: J.S. Daly, R.A. Cliff and B.W.D. Yardley (Eds.). Evolution of metamorphic belts. Geol. Soc. Spec. Publ., 43: p. 63-81.
60. Spear F.S., 1993. Metamorphic phase equilibria and pressure-temperature- time paths. Mineralogical Society of America, Washington DC, 799 pp.
61. Vallis F. and Scambelluri M., 1996. Redistribution of high-pressure fluids during retrograde metamorphism of eclogite-facies rocks (Voltri Massif, Italian Western Alps). Lithos, 39: 81-92.
62. Vissers R.L.M., Hoogerduijn Strating E.H., Heijmans M. and Krabbendam M., 2001. Structures and microstructures in a thrust-related, greenschist facies tectonic mélange, Voltri Group (NW Italy). Ofioliti 26: 33-46.
63. Waters D.J. and Martin H.N., 1993. Geobarometry in phengitebearing eclogites. Terra Nova Abstr. Suppl., 5: 410-411.
64. Waters D.J. and Martin H.N., 1996. Geobarometry in phengitebearing eclogites. http://www.earth.ox.ac.uk/~davewa/research/ecbarcal.html.
65. Williams M.L. and Grambling J.A., 1990. Manganese, ferric iron, and the equilibrium between garnet and biotite. Am. Mineral., 75: 886-908.