Deformation, high-pressure metamorphism and exhumation of ultramafic rocks in a deep subduction/collision setting (Cabo Ortegal, NW Spain)

Journal of Metamorphic Geology

Volumn 17, Issue 6, 1999, Pages 747-764

  Gil Ibarguchi, J I ^a   Abalos B ^a   Azcarraga, J ^a   Puelles, P ^a  

^a UNIVERSITY OF THE BASQUE COUNTRY UPV EHU   (Spain)

Author keywords

Cabo Ortegal; Metaperidotite; Petrofabric; Rheology; Ti clinohumite

Indexed keywords

BOUDINAGE; COLLISION ZONE; EXHUMATION; HIGH PRESSURE; METAMORPHISM; SUBDUCTION ZONE; TECTONIC SETTING; ULTRAMAFIC ROCK;

SPAIN;

EID: 0033393332     PISSN: 02634929     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1525-1314.1999.00227.x     Document Type: Article

References (89)

1. Ábalos, B., Mendía, M. S. & Gil Ibarguchi, J. I., 1994. Structure of the Cabo Ortegal eclogite-facies zone (NW Iberia). Comptes Rendus de l'Académie des Sciences de Paris, 319, 1231-1238.
2. Ábalos, B., Azcárraga, J., Gil Ibarguchi, J. I., Mendía, M. S. & Santos Zalduegui, J. F., 1996. Flow stress, strain rate and effective viscosity evaluation in a high-pressure nappe (Cabo Ortegal, Spain). Journal of Metamorphic Geology, 14, 227-248.
3. Aranovich, L. & Ya. & Berman, R. G., 1996. Optimized standard state and solution properties of minerals. II. Comparisons, predictions and applications. Contributions to Mineralogy and Petrology, 126, 25-37.
4. Azcárraga, J., 1998. Evolución tectónica y metamórfica de los mantos inferiores de grado alto y alla presión del complejo de Cabo Ortegal. PhD Thesis, Universidad del País Vasco, Bilbao, Spain.
5. Azcárraga, J. & Ábalos, B., 1996. Comportamiento reológico de la Formación Candelaria y la Zona de Movimiento Tectónico de Carreiro (Cabo Ortegal, NO de España) durante el metamorfismo sintectónico eo-Hercínico de grado medio y alto. Boletín Geológico y Minero, 107, 125-144.
6. Azcárraga, J., Gil Ibarguchi, J. I. & Ábalos, B., 1995. Geometry, kinematics and deformation conditions of major ductile thrusts from the lower high-pressure nappes of Cabo Ortegal. Bochumer Geologische und Geotechnische Arbeiten, 44, 9-12.
7. Ballhaus, C., Berry, R. F. & Green, D. H., 1991a. High pressure experimental calibration of the olivine-orthopyroxene-spinel oxygen geobarometer: implications for the oxidation state of the upper mantle. Contributions to Mineralogy and Petrology, 107, 27-40.
8. Ballhaus, C., Berry, R. F. & Green, D. H., 1991b. Errata: high pressure experimental calibration of the olivine-orthopyroxene-spinel oxygen geobarometer: implications for the oxidation state of the upper mantle. Contributions to Mineralogy and Petrology, 108, 384.
9. Bastida, F., Marcos, A., Marquínez, J., Martínez-Catalán, J. R., Pérez-Estaun, A. & Pulgar, J. A., 1984. Hoja No. 1 del Mapa Geológico Nacional 1:200 000 (La Coruña) y Memoria. Instituto Geológica y Minero de Espanã, Madrid.
10. Beck, M. E., 1983. On the mechanism of tectonic transport in zones of oblique subduction. Tectonophysics, 93, 1-11.
11. Becker, P. & Hoschek, G., 1973. Experimentelle Bildung von Klinohumit. Neues Jahrbuch für Mineralogie Monatshefte, 6, 281-287.
12. Berger, A., Rosenberg, C. & Schmid, S. M., 1996. Ascent, emplacement and exhumation of the Bergell pluton within the Southern Steep Belt of the Central Alps. Schweizerische Mineralogische und Petrographische Mitteilungen, 76, 357-382.
13. Berman, R. G., 1991. Thermobarometry using multi-equilibrium calculations - a new technique, with petrological applications. Canadian Mineralogist, 29, 833-855.
14. 2. Contributions to Mineralogy and Petrology, 126, 1-24.
15. Brey, G. P. & Köhler, T., 1990. Geothermobarometry in four-phase lherzolites II. New thermobarometers, and practical assessment of existing thermobarometers. Journal of Petrology, 31, 1353-1378.
16. Brueckner, H. K., 1998. Sinking intrusion model for the emplacement of garnet-bearing peridotites into continent collision orogens. Geology, 26, 631-634.
17. Carswell, D. A. & Harley, S. L., 1990. Mineral barometry and thermometry. In: Eclogite Facies Rocks (ed. Carswell, D. A.), pp. 83-109. Blackie, Glasgow.
18. Carter, N. L., 1975. High-temperature flow of rocks. Reviews in Geophysics and Space Physics, 13, 344-349.
19. Carter, N. L. & Avé Lallemant, H. G., 1970. High temperature flow of dunite and peridotite. Geological Society of America Bulletin, 81, 2181-2202.
20. Chopra, P. N. & Paterson, M. S., 1981. The experimental deformation of dunite. Tectonophysics, 78, 453-473.
21. Chopra, P. N. & Paterson, M. S., 1984. The role of water in deformation of dunite. Journal of Geophysical Research, 89, 7861-7876.
22. 39Ar dating of regional fabrics. Tectonophysics, 277, 307-337.
23. + by regression in microprobe analyses of natural biotite. Journal of Trace Microanalysis Techniques, 1, 399-413.
24. 3+ concentrations in ferromagnesian silicates and oxides from microprobe analyses, using stoichiometric criteria. Mineralogical Magazine, 51, 431-435.
25. Durham, W. B., Goetze, C. & Blake, B., 1977. Plastic flow of oriented single crystals of olivine 2. Observations and interpretations of the dislocation structures. Journal of Geophysical Research, 82, 5755-5770.
26. Engi, M. & Lindsley, D. H., 1980. Stability of titanian clinohumite: experiments and thermodynamic analysis. Contributions to Mineralogy and Petrology, 72, 415-424.
27. Evans, B. W., 1977. Metamorphism of alpine peridotite and serpentinite. Annual Review of Earth and Planetary Sciences, 5, 397-447.
28. Evans, B. W. & Trommsdorff, V., 1983. Fluorine hydroxyl titanian clinohumite in alpine recrystallized garnet peridotite: compositional controls and petrologic significance. American Journal of Science, 283A, 355-369.
29. Fabriès, J., 1979. Spinel-olivine geothermometry in peridotites from ultramafic complexes. Contributions to Mineralogy and Petrology, 69, 329-336.
30. Ganguly, J., Cheng, W. & Tirone, M., 1996. Thermodynamics of aluminosilicate garnet solid solution: new experimental data, an optimized model, and thermometric applications. Contributions to Mineralogy and Petrology, 126, 137-151.
31. Gasparik, T., 1987. Orthopyroxene thermobarometry in simple and complex systems. Contributions to Mineralogy and Petrology, 96, 357-370.
32. 2. Contributions to Mineralogy and Petrology, 85, 186-196.
33. Girardeau, J. J. & Gil Ibarguchi, J. I., 1991. Pyroxenite-rich peridotites of the Cabo Ortegal complex (northwestern Spain): evidence for large-scale upper-mantle heterogeneity. Journal of Petrology, Special Lherzolites Issue, 135-154.
34. Goetze, C., 1975a. Sheared lherzolites: from the point of view of rock mechanics. Geology, 3, 172-173.
35. Goetze, C., 1975b. Textural and microstructural systematics in olivine and quartz. EOS Transactions, American Geophysical Union, 56, 6.
36. Gueguen, Y. & Nicolas, A., 1980. Deformation of mantle rocks. Annual Reviews in Earth and Planetary Sciences, 8, 119-144.
37. Harte, B., 1977. Rock nomenclature with particular reference to deformation and recrystallization textures in olivine bearing xenoliths. Journal of Geology, 89, 279-288.
38. Hirth, G. & Kohlstedt, D. L., 1995. Experimental constraints on the dynamics of partially molten upper mantle 2. Deformation in the dislocation creep regime. Journal of Geophysical Research, 100, 15441-15449.
39. Holland, T. J. B. & Blundy, J. D., 1994. Non-ideal interactions in calcic amphiboles and their bearing on amphibole-plagioclase thermometry. Contributions to Mineralogy and Petrology, 116, 433-447.
40. 2. Journal of Metamorphic Geology, 8, 89-124.
41. 2. American Journal of Science, 294, 593-620.
42. Ji, S. & Zhao, P., 1994. Layered rheological structure of subducting oceanic lithosphere. Earth and Planetary Science Letters, 124, 75-94.
43. Jin, D., Karato, S. I. & Obata, M., 1998. Mechanisms of shear localization in the continental lithosphere: inference from the deformation microstructures of peridotites from the Ivrea zone, northwestern Italy. Journal of Structural Geology, 20, 195-209.
44. 3 system at high pressures: implications to evolution of the Earth's atmosphere. Earth and Planetary Science Letters, 99, 110-117.
45. Kohlstedt, D. L. & Zimmerman, M. E., 1996. Rheology of partially molten mantle rocks. Annual Reviews in Earth and Planetary Sciences, 24, 41-62.
46. Kohlstedt, D. L., Evans, B. & Mackwell, S. J., 1995. Strength of the lithosphere: constraints imposed by laboratory experiments. Journal of Geophysical Research, 100, 17587-17602.
47. Lappin, M. A. & Smith, D. C., 1978. Mantle-equilibrated orthopyroxene eclogite pods from the Basal gneisses in the Selje district, western Norway. Journal of Petrology, 19, 530-584.
48. Liu, J., Bohlen, S. R. & Ernst, W. G., 1996. Stability of hydrous phases in subducting oceanic crust. Earth and Planetary Science Letters, 143, 161-171.
49. Maaskant, P., 1970. Chemical petrology of polymetamorphic ultramafic rocks from Galicia, NW Spain. Leidse Geologische Mededelingen, 45, 237-325.
50. Mäder, U. K., Percival, J. A. & Berman, R. G., 1994. Thermobarometry of garnet-clinopyroxene-hornblende granulites from the Kapskasing structural zone. Canadian Journal of Earth Sciences, 31, 1134-1145.
51. Mainprice, D. & Nicolas, A., 1989. Development of shape and lattice preferred orientations: application to the seismic anisotropy of the lower crust. Journal of Structural Geology, 11, 175-189.
52. Mercier, J. C., 1976. Natural peridotites: chemical and rheological heterogeneity of the upper mantle. PhD Thesis, University of New York, Stony Brook, New York, USA.
53. Mercier, J. C., 1985. Olivine and pyroxenes. In: Preferred Orientation in Deformed Metals and Rocks: An Introduction to Modern Texture Analysis (ed. H.-R. Wenk), pp. 407-430. Academic Press, Orlando, Florida.
54. Mercier, J. C. & Nicolas, A., 1975. Textures and fabrics of upper mantle peridotites as illustrated by xenoliths from basalts. Journal of Petrology, 16, 454-487.
55. Nickel, K. G. & Green, D. H., 1985. Empirical geothermobarometry for garnet peridotites and implications for the nature of the lithosphere, kimberlites and diamonds. Earth and Planetary Science Letters, 73, 158-170.
56. Nicolas, A., 1978. Stress estimates from structural studies in some mantle peridotites. Philosophical Transactions of the Royal Society of London, 288, 49-57.
57. Nicolas, A., 1986. Structures and petrology of peridotites: clues to their environment. Reviews in Geophysics, 24, 875-895.
58. Nicolas, A., 1993. Why fast polarization directions of SKS seismic waves are parallel to mountain belts. Physics of the Earth and Planetary Interiors, 78, 337-342.
59. Nicolas, A., Boudier, F. & Bouchez, J. L., 1980. Interpretation of peridotite structures from ophiolite and oceanic environments. American Journal of Science, 280, 192-210.
60. O'Neill, H. St. C. & Wood, B. J., 1980. An experimental study of Fe-Mg partitioning between garnet and olivine and its calibration as a geothermometer: corrections. Contributions to Mineralogy and Petrology, 72, 337.
61. Okay, A. I., 1994. Sapphirine and Ti-clinohumite in ultra-high-pressure garnet-pyroxenite and eclogite from Dabie Shan, China. Contributions to Mineralogy and Petrology, 116, 145-155.
62. Oldow, J. S., Bally, A. W. & Avé Lallemant, H. G., 1990. Transpression, orogenic float, and lithospheric balance. Geology, 18, 991-994.
63. Passchier, C. W. & Trouw, R. A. J., 1996. Microtectonics. Springer Verlag, Berlin/Heidelberg.
64. Poirier, J.-P., 1991. Les Profondeurs de la Terre. Massen, Paris.
65. Poirier, J. P. & Nicolas, A., 1975. Deformation induced recrystallization due to progressive misorientation of subgrains, with special reference to mantle peridotites. Journal of Geology, 83, 707-720.
66. Post, R. L., 1973. The flow laws of Mt. Burnet dunite. PhD Thesis, University of California, Los Angeles, USA.
67. Post, R. L., 1977. High-temperature creep of Mt. Burnet dunite. Tectonophysics, 42, 75-110.
68. Powell, R., 1985. Regression diagnostics and robust regression in geothermometer/geobarometer calibration: the garnet-clinopyroxene geothermometer revisited. Journal of Metamorphic Geology, 3, 327-342.
69. Powell, R. & Holland, T. J. B., 1988. An internally consistent thermodynamic dataset with uncertainties and correlations. III. Application methods, worked examples and a computer program. Journal of Metamorphic Geology, 6, 173-204.
70. Raase, P., 1974. Al and Ti contents of hornblende, indicators of pressure and temperature of regional metamorphism. Contributions to Mineralogy and Petrology, 45, 231-236.
71. Raleigh, C. B. & Kirby, S. H., 1970. Creep in the upper mantle. Mineralogical Society of America Special Paper, 3, 113-121.
72. Ross, J. V., Avé Lallemant, H. G. & Carter, N. L., 1980. Stress dependence of recrystallized grain and subgrain size in olivine. Tectonophysics, 70, 39-61.
73. Rumble, D., 1996. UHP metamorphism and the Qinglonshan oxygen isotope anomaly. Carnegie Institution Yearbook, 95, 136-139.
74. Santos Zalduegui, J. F., Schärer, U. & Gil Ibarguchi, J. I., 1995. Isotope constraints on the age and origin of magmatism and metamorphism in the Malpica-Tuy allochthon, Galicia, NW Spain. Chemical Geology, 121, 91-103.
75. Santos Zalduegui, J. F., Schärer, U., Gil Ibarguchi, J. I. & Girardeau, J. J., 1996. Origin and evolution of the Paleozoic Cabo Ortegal ultramafic-mafic complex (NW Spain): U-Pb, Rb-Sr and Pb-Pb isotope data. Chemical Geology, 129, 281-304.
76. Schreyer, W., 1995. Ultradeep metamorphic rocks: the retrospective viewpoint. Journal of Geophysical Research, 100, 8353-8366.
77. Smith, D. & Ritter, J. C. A., 1996. Genesis and evolution of low-Al orthopyroxene in spinel peridotite xenoliths, Grand Canyon Field, Arizona. EOS Transactions, American Geophysical Union, 77, 290.
78. Stöckhert, B., Massonne, H.-J. & Nowlan, E. U., 1997. Low differential stress during high-pressure metamorphism: the microstructural record of a metapelite of the Eclogite Zone, Tauern Window, Eastern Alps. Lithos, 41, 103-118.
79. Trommsdorff, V., López Sánchez-Vizcaino, V., Gómez Pugnaire, M. T. & Müntener, O., 1998. High pressure breakdown of anti-gorite to spinifex-textured olivine and orthopyroxene, SE Spain. Contributions to Mineralogy and Petrology, 132, 139-148.
80. Twiss, R. J. & Moores, E. M., 1992. Structural Geology. Freeman, New York.
81. Ulmer, P. & Trommsdorff, V., 1995. Serpentine stability to mantle depths and subduction-related magmatism. Science, 268, 858-861.
82. Van Der Wal, D., Chopra, P., Drury, M. & Fitz Gerald, J., 1993. Relationships between dynamically recrystallized grain size and deformation conditions in experimentally deformed olivine rocks. Geophysical Research Letters, 20, 1479-1482.
83. Vauchez, A. & Nicolas, A., 1991. Mountain building: strike-parallel motion and mantle anisotropy. Tectonophysics 185, 183-201.
84. Vogel, D. E., 1967. Petrology of eclogite- and pirigarnite-bearing polymetamorphic rock complex at Cabo Ortegal, NW Spain. Leidse Geologische Mededelingen, 40, 121-213.
85. Webb, S. A. C. & Wood, B. J., 1986. Spinel-pyroxene-garnet relationships and their dependence on Cr/Al ratio. Contributions to Mineralogy and Petrology, 92, 471-480.
86. Weiss, M., 1997. Clinohumites: a field and experimental study. PhD Thesis, Swiss Federal Institute of Technology (ETH), Zürich.
87. Woodcock, N. H., 1986. The role of strike-slip fault systems at plate boundaries. Philosophical Transactions of the Royal Society of London A, 317, 13-29.
88. 6). Contributions to Mineralogy and Petrology, 132, 111-120.
89. Zhang, R. Y., Liou, J. G. & Cong, B. L., 1995. Talc-, magnesite- and Ti-clinohumite-bearing ultrahigh-pressure meta-mafic and ultramafic complex in the Dabie Mountains, China. Journal of Petrology, 36, 1011-1037.