Strain geometry in Concepenido eclogites during widespread HP deformation (Cabo Ortegal Complex, NW Spain)

Tectonophysics

Volumn 401, Issue 3-4, 2005, Pages 198-216

  Llana Fúnez, Sergio ^a   Marcos, A ^b   Kunze, K ^a  

^a GEOLOGICAL INSTITUTE   (Switzerland)

^b UNIVERSITY OF OVIEDO   (Spain)

Author keywords

CPO; EBSD; Eclogite; Microstructure; Omphacite; Strain geometry; Subduction

Indexed keywords

ECLOGITE; FAULT GEOMETRY; STRAIN ANALYSIS; SUBDUCTION ZONE;

CABO ORTEGAL; EASTERN HEMISPHERE; EURASIA; EUROPE; GALICIA; LA CORUNA [GALICIA]; SOUTHERN EUROPE; SPAIN; WORLD;

EID: 20444376544     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tecto.2005.03.007     Document Type: Article

References (64)

1. B. Ábalos Omphacite fabric variation in the Cabo Ortegal Eclogite (NW Spain): Relationships with strain symmetry during high-pressure deformation Journal of Structural Geology 19 5 1997 621-637
2. B. Ábalos P. Puelles J.I. Gil Ibarguchi Structural assemblage of high-pressure mantle and crustal rocks in a subduction channel (Cabo Ortegal, NW Spain) Tectonics 22 2 2003 1006
3. R. Arenas Opposite P, T, t paths of Hercynian metamorphism between the upper units of the Cabo Ortegal Complex and their substratum (northwest of the Iberian Massif) In: A. Pérez Estãun M.P. Coward (Eds.) Deformation and Plate Tectonics Tectonophysics vol. 191 1991 347-364
4. R. Arenas J.I. Gil Ibarguchi F. Gonzalez Lodeiro E. Klein J.R. Martinez Catalan E. Ortega Girones J.G. de Pablo Macia M. Peinado Tectonostratigraphic units in the complexes with mafic and related rocks of the NW of the Iberian Massif Hercynica 2 2 1986 87-110
5. J. Bascou A. Tommasi D. Mainprice Plastic deformation and development of clinopyroxene lattice preferred orientations in eclogites Journal of Structural Geology 24 2002 1357-1368
6. R. Basterra J.M. Cassi L. Pérez San Román A. Tascón J.I. Gil Ibarguchi Evolución metamórfica de las rocas pelíticas y semipelíticas de las formaciones "Banded Gneisses" y "Gneisses de Cariño" (Cabo Ortegal, NW España) Studia Geologica Salmanticensia 4 1989 131-144
7. F. Bastida A. Marcos J.L. Marquínez J.R. Martínez-Catalán A. Pérez-Estáun J.A. Pulgar Geological Map of Spain, Sheet 1 La Coruña 1984 Instituto Geológico y Minero de España Madrid
8. V. Bosse G. Feraud G. Ruffet M. Ballevre J.J. Peucat K. De Jong Late Devonian subduction and early-orogenic exhumation of eclogite-facies rocks from the champtoceaux complex (Variscan Belt, France) Geological Journal 35 3/4 2000 297-326
9. F.E. Brenker D.J. Prior W.F. Muller Cation ordering in omphacite and effect on deformation mechanism and lattice preferred orientation (LPO) Journal of Structural Geology 24 12 2002 1991-2005
10. H.J. Bunge Texture Analysis in Materials Science 1982 Butterworth London 593 pp.
11. J.H. Davies F. Von Blanckenburg Slab breakoff: A model of lithosphere detachment and its test in the magmatism and deformation of collisional orogens Earth and Planetary Science Letters 129 1//4 1995 85
12. D. Eberhart-Phillips M. Reyners A complex, young subduction zone imaged by three-dimensional seismic velocity, Fiordland, New Zealand Geophysical Journal International 146 3 2001 731-746
13. J.P. Engels The catazonal poly-metamorphic rocks of Cabo Ortegal (NW Spain), a structural and petrofabric study Leidse Geologische Mededelingen 48 1 1972 83-133
14. Fernández, F.J., 1997. Estructuras desarrolladas en gneisses bajo condiciones de alta P y T (Gneisses de Chímparra, Cabo Ortegal, A Coruña, Galicia, España). Serie Nova Terra Laboratorio Xeológico de Laxe, 13, Edicios do Castro, Sada (Spain), 249 pp.
15. F.J. Fernández A. Marcos Mylonitic foliation development by heterogeneous pure shear under high-grade conditions in quartzofeldspathic rocks (Chimparra Gneiss Formation, Cabo Ortegal Complex, NW Spain) In: O. Oncken C. Janssen (Eds.) Basement Tectonics, Europe and other Regions vol. 11 1996 17-34
16. J. Fernández-Suárez F. Corfu R. Arenas A. Marcos J.R. Martínez-Catalán F. Díaz García J. Abati F.J. Fernández Rodríguez U-Pb evidence for a polyorogenic evolution of the HP-HT units of the NW Iberian Massif Contributions to Mineralogy and Petrology 143 2 2002 236-253
17. D. Flinn On folding during three-dimensional progressive deformation Geological Society of London Quarterly Journal 118 1962 385-433
18. G. Galán A. Marcos Geochemical evolution of high-pressure mafic granulites from the Bacariza formation (Cabo Ortegal Complex, NW Spain): an example of a heterogeneous lower crust Geologische Rundschau 86 3 1997 539-555
19. G. Galán A. Marcos The high-pressure granulites of the Bacariza Formation: An earlier stage in the exhumation of other eclogites in the Cabo Ortegal Complex (Hercynian belt, NW Spain) Trabajos de Geología, Universidad de Oviedo 21 1998 141-157
20. G. Galán A. Marcos The metamorphic evolution of the high pressure mafic granulites of the Bacariza Formation (Cabo Ortegal Complex, Hercynian belt, NW Spain) Lithos 54 3-4 2000 139-171
21. J.I. Gil Ibarguchi M. Mendia J.J. Peucat Petrology of eclogites and clinopyroxene-garnet metabasites from the Cabo Ortegal Complex (northwestern Spain) Lithos 25 1990 133-162
22. J. Girardeau J.I. Gil Ibarguchi Pyroxene-rich peridotites of the Cabo Ortegal Complex (northwestern Spain): Evidence for large-scale upper mantle heterogeneity In: M.A. Menzies C. Dupuy A. Nicolas (Eds.) Orogenic Lherzolites and Mantle Processes Journal of Petrology Special Volume 1991 135-154
23. J. Girardeau J.I. Gil Ibarguchi N. Ben Jamaa Evidence for a heterogeneous upper mantle in the Cabo Ortegal Complex, Spain Science 245 4923 1989 1231-1233
24. G. Godard H.L.M. van Roermund Deformation-induced clinopyroxene fabrics from eclogites Journal of Structural Geology 17 10 1995 1425-1443
25. H. Helmstaedt O.L. Anderson A.T. Gavasci Petrofabric studies of Eclogite, Spinel-Websterite, and Spinel-Lherzolite Xenoliths from Kimberlite-Bearing Breccia Pipes in Southeastern Utah and Northeastern Arizona Journal of Geophysical Research 77 23 1972 4350-4365
26. Z.M. Jin J. Zhang H.W. Green II S. Jin Eclogite rheology: Implications for subducted lithosphere Geology 29 8 2001 667-670
27. U.F. Kocks C.N. Tomé H.R. Wenk (Eds.) Texture and Anisotropy: Preferred Orientations in Policrystals and their Effect on Material Properties 1998 Cambridge University Press 676 pp.
28. W. Kurz E. Jansen R. Hundenborn J. Pleuger W. Schafer W. Unzog Microstructures and crystallographic preferred orientations of omphacite in Alpine eclogites: Implications for the exhumation of (ultra-) high-pressure units Journal of Geodynamics 37 1 2004 1-55
29. R.D. Law (Ed.) Crystallographic fabrics: A selective review of their applications to research in structural geology Deformation Mechanisms, Rheology and Tectonics. Geological Society Special Publication no. 54 1990 335-352
30. G.S. Lister B.E. Hobbs The simulation of fabric development during plastic deformation and its application to quartzite: The influence of deformation history Journal of Structural Geology 2 3 1980 355-370
31. S. Llana-Fúnez Quartz c-axis texture mapping of a Variscan regional foliation (Malpica-Tui Unit, NW Spain) Journal of Structural Geology 24 2002 1299-1312
32. S. Llana-Fúnez A. Marcos G. Galán F.J. Fernández Tectonic athinning of a crust slice at high pressure and high temperature by ductile-slab breakoff (Cabo Ortegal Complex, northwest Spain) Geology 32 5 2004 453-456
33. T. MacCready Misalignment of quartz c-axis fabrics and lineations due to oblique final strain increments in the Ruby Mountains core complex, Nevada Journal of Structural Geology 18 6 1996 765-776
34. D. Mainprice J. Bascou P. Cordier A. Tommasi Crystal preferred orientations of garnet: Comparison between numerical simulations and electron back-scattered diffraction (EBSD) measurements in naturally deformed eclogites Journal of Structural Geology 26 11 2004 2089-2102
35. A. Marcos P. Farias La estructura de las láminas inferiores del Complejo de Cabo Ortegal y su autóctono relativo (Galicia, NO de España) Trabajos de Geología, Universidad de Oviedo 21 1998 201-218
36. A. Marcos P. Farias G. Galán F.J. Fernández S. Llana-Fúnez Tectonic framework of the Cabo Ortegal Complex: A slab of lower crust exhumed in the Variscan orogen (northwestern Iberian Peninsula) In: J.R. Martínez-Cataláin R.D.J. Hatcher R. Arenas F. Díaz García (Eds.) Geological Society of America Special Paper vol. 364 2002 143-162
37. J.R. Martínez-Catalán R. Arenas F. Díaz García J. Abati ariscan accretionary complex of Northwest Iberia: terrane correlation and succession of tectonothermal events Geology 25 12 1997 1103-1106
38. P. Matte The Variscan collage and orogeny (480-290 Ma) and the tectonic definition of the Armorica microplate: A review Terra Nova 13 2001 122-128
39. Mauler Steinmann, A., 2000. Texture and Microstructures in Eclogites. Electron Backscatter Diffraction applied to Samples from Nature and Experiment. PhD Thesis, Diss. ETH Nr 13690. ETH Zürich, 162 pp. http://e-collection.ethbib.ethz.ch/show?type=dissandnr=13690.
40. A. Mauler K. Kunze J.P. Burg P. Philippot Identification of electron backscatter diffraction patterns in a monoclinic solid-state solution series: Example of omphacite Materials Science Forum 273/275 1998 705-710
41. A. Mauler G. Godard K. Kunze Crystallographic fabrics of omphacite, rutile and quartz in Vendee eclogites (Armorican Massif, France). Consequences for deformation mechanisms and regimes Tectonophysics 342 1-2 2001 81-112
42. M. Mendia Petrología de la unidad eclogítica del Complejo de Cabo Ortegal (NW de España) 1996 Universidad del País Vasco Spain 463 pp.
43. K. Michibayashi D. Mainprice The role of pre-existing mechanical anisotropy on shear zone development within oceanic mantle lithosphere: an example from the oman ophiolite Journal of Petrology 45 2 2004 405-414
44. T. Moreno W. Gibbons H.M. Prichard R. Lunar Platiniferous chromitite and the tectonic setting of ultramafic rocks in Cabo Ortegal, NW Spain Journal of the Geological Society London 158 4 2001 601-614
45. B. Ordóñez Casado D. Gebauer H.J. Schafer J.I. Ibarguchi J.J. Peucat A single Devonian subduction event for the HP/HT metamorphism of the Cabo Ortegal Complex within the Iberian Massif Tectonophysics 332 3 2001 359-385
46. A. Pérez-Estáun J.R. Martínez-Catalán F. Bastida Crustal thickening and deformation sequence in the footwall to the suture of the Variscan belt of northwest Spain Tectonophysics 191 1991 243-253
47. J.J. Peucat J. Bernard-Griffiths J.I. Gil Ibarguchi R.D. Dallmeyer R.P. Menot J. Cornichet M. Iglesias Ponce de Leon Geochemical and geochronological cross section of the deep Variscan crust; the Cabo Ortegal high-pressure nappe (northwestern Spain) Tectonophysics 177 1990 263-292
48. G.P. Price Preferred orientations in quartzites In: H.R. Wenk (Ed.) Preferred Orientation in Deformed Metals and Rocks: An Introduction to Modern Texture Analysis 1985 Academic Press, Inc. San Diego 385-406
49. M. Protti F. Guendel K. McNally The geometry of the Wadati-Benioff zone under southern Central America and its tectonic significance: Results from a high-resolution local seismographic network Physics of the Earth and Planetary Interiors 84 1/4 1994 271
50. J.G. Ramsay D.S. Wood The geometric effects of volume change during deformation processes Tectonophysics 16 1973 263-277
51. G. Ranalli R. Pellegrini S. D'Offizi Time dependence of negative buoyancy and the subduction of continental lithosphere Journal of Geodynamics 30 5 2000 539-555
52. A. Ribeiro E. Pereira R. Dias Structure in the northwest of the Iberian Peninsula In: R.D. Dallmeyer E. Martinez Garcia (Eds.) Pre-Mesozoic Geology of Iberia 1990 Springer-Verlag Berlin, Federal Republic of Germany 220-236
53. A.C. Ries R.M. Shackleton Catazonal complexes of north-west Spain and North Portugal. Remnants of a Hercynian thrust plate Nature 234 47 1971 65-68
54. 39Ar ages during Variscan exhumation of a subducted crust (Malpica-Tui complex, NW Spain) Lithos 70 3-4 2003 111-139
55. J.F. Santos Zalduegui U. Schaerer J.I. Gil Ibarguchi Isotope constraints on the age and origin of magmatism and metamorphism in the Malpica-Tuy Allochthon, Galicia, NW Spain Chemical Geology 121 1-4 1995 91-103
56. J.F. Santos Zalduegui U. Schaerer J.I. Gil Ibarguchi J. Girardeau 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 3-4 1996 281-304
57. S.M. Schmid M. Casey Complete fabric analysis of some commonly observed quartz c-axis patterns In: B.E. Hobbs H.C. Heard (Eds.) The Paterson Volume. Mineral and Rock Deformation: Laboratory studies American Geophysical Union Monographs vol. 36 1986 263-286
58. A.B. Thompson K. Schulmann J. Jezek Thermal evolution and exhumation in obliquely convergent (transpressive) orogens Tectonophysics 280 1/2 1997 171-184
59. C.N. Tomé U.F. Kocks H.-R. Wenk Texture and Anisotropy: Preferred Orientations in Polycrystals and their Effect on Materials Properties 1998 Cambridge University Press Cambridge, UK
60. S. Ulrich D. Mainprice Does cation ordering in omphacite influence development of lattice-preferred orientation? Journal of Structural Geology 27 2005 419-431
61. P.W.C. van Calsteren N.A.I.M. Boelrijk E.H. Hebeda H.N.A. Priem E. den Tex E.A.T.H. Verdurmen R.H. Verschure Isotopic dating of older elements (including the Cabo Ortegal mafic-ultramafic complex) in the hercynian orogen of NW Spain: Manifestations of a presumed Early Paleozoic mantle-plume Chemical Geology 24 1979 35-56
62. M. van Panhuys-Sigler P. Hartman Morphologie théorique de certains piroxenes déduite de la structure cristaline Bulletin Mineralogie 104 1981 95-106
63. D.E. Vogel Petrology of an eclogite- and pyrigarnite-bearing polymetamorphic rock complex at Cabo Ortegal, NW Spain Leidse Geologische Mededelingen 40 1967 121-213
64. G. Zulauf Constriction due to subduction: Evidence for slab pull in the Marianske Lazne complex (central European Variscides) Terra Nova 9 5/6 1997 232-236