Tectonic relationships of Southwest Iberia with the allochthons of Northwest Iberia and the Moroccan Variscides

Comptes Rendus - Geoscience

Volumn 341, Issue 2-3, 2009, Pages 103-113

  Simancas, José Fernando ^a   Azor, Antonio ^a   Martínez Poyatos, David ^a   Tahiri, Abdelfatah ^b   El Hadi, Hassan ^c   González Lodeiro, Francisco ^a   Pérez Estaún, Andrés ^d   Carbonell, Ramón ^d  

^a UNIVERSITY OF GRANADA   (Spain)

^b Institut Scientifique   (Morocco)

^c FACULTÉ DES SCIENCES BEN M SIK   (Morocco)

^d INSTITUTE OF EARTH SCIENCES JAUME ALMERA   (Spain)

Author keywords

Correlations; Iberia; Morocco; Sutures; Variscan orogen

Indexed keywords

ALLOCHTHON; HERCYNIAN OROGENY; OPHIOLITE; OUTCROP; PALEOGEOGRAPHY; RECONSTRUCTION; STRUCTURAL GEOLOGY; SUTURE ZONE; TECTONIC SETTING; TERRANE;

AFRICA; EURASIA; EUROPE; IBERIAN MASSIF; IBERIAN PENINSULA; MOROCCO; NORTH AFRICA; SOUTHERN EUROPE;

EID: 63049089339     PISSN: 16310713     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.crte.2008.11.003     Document Type: Short Survey

References (65)

1. Abalos B., Gil-Ibarguchi J.I., and Eguiluz L. Cadomian subduction/collision and Variscan transpression in the Badajoz-Córdoba shear belt, Southwest Spain. Tectonophysics 199 (1991) 51-72
2. Araújo A., Fonseca P., Munhá J., Moita P., Pedro J., and Ribeiro A. The Moura Phyllonitic Complex: An Accretionary Complex related with obduction in the southern Iberia Variscan Suture. Geodinamica Acta 18 (2005) 375-383
3. R. Arenas, J.R. Martínez Catalán, F. Díaz García, Complejos alóctonos de Galicia-Trás-os-Montes, in: J.A. Vera (Ed.), Geología de España, SGE-IGME, Madrid, Spain, 2004, pp. 138-164.
4. Arenas R., Martínez Catalán J.R., Sánchez Martínez S., Fernández-Suárez J., Andonaegui P., Pearce J.A., and Corfu F. The Vila de Cruces Ophiolite: A Remnant of the Early Rheic Ocean in the Variscan Suture of Galicia (Northwest Iberian Massif). J. Geol. 115 (2007) 129-148
5. Azor A., Bea F., González Lodeiro F., and Simancas J.F. Geochronological constraints on the evolution of a suture: the Ossa-Morena/Central Iberian contact. Geol. Rundschau 84 (1995) 375-383
6. Azor A., González Lodeiro F., and Simancas J.F. Tectonic evolution of the boundary between the Central Iberian and Ossa-Morena zones (Variscan belt, Southwest Spain). Tectonics 13 (1994) 45-61
7. A. Azor, D. Rubatto, J.F. Simancas, F. González Lodeiro, D. Martínez Poyatos, L.M. Martín Parra, J. Matas, Rheic Ocean ophiolitic remnants in southern Iberia questioned by SHRIMP U-Pb zircon ages on the Beja-Acebuches amphibolites, Tectonics 27 (2008) TC5006, doi: 10.1029/2008TC002306.
8. Bouabdelli M., and Piqué A. Du bassin sur décrochement au bassin d'avant-pays : dynamique du bassin d'Azrou-Khénifra (Maroc hercynien central). J. Afr. Earth Sci. 22 (1996) 213-224
9. Boulin J., Bouabdelli M., and Houicha E. Évolution paléogéographique et géodynamique de la chaîne paléozoïque du Moyen Maroc : un essai de modélisation. C. R. Acad. Sci. Paris, Ser. II 306 (1988) 1501-1506
10. Carbonell R., Simancas F., Juhlin C., Pous J., Pérez Estaún A., González Lodeiro F., Muñoz G., Heise W., and Ayarza P. Geophysical evidence of a mantle-derived intrusion in SW Iberia. Geophys. Res. Lett. 31 (2004) L11601 doi:10.1029/2004GL019684
11. Castro A., Fernández C., De la Rosa J.D., Moreno Ventas I., and Rogers G. Significance of MORB-derived amphibolites from the Aracena metamorphic belt, Southwest Spain. J. Petrol. 37 (1996) 235-260
12. L.R.M. Cocks, T.H. Torsvik, European geography in a global context from the Vendian to the end of the Palaeozoic, in: D. Gee, R.A. Stephenson (Ed.), European Lithosphere Dynamics, Geological Society London, Memoirs, vol. 32, 2006, pp. 83-96.
13. Crowley Q.J., Floyd P.A., Winchester J.A., Franke W., and Holland J.G. Early Palaeozoic rift-related magmatism in Variscan Europe: fragmentation of the Terrane Assemblage. Terra Nova 12 (2000) 171-180
14. 39Ar mineral age constraints for the tectonothermal evolution of a Variscan suture in Southwest Iberia. Tectonophysics 222 (1993) 177-194
15. Dessureau G., Piper D.J.W., and Pe-Piper G. Geochemical evolution of Earliest Carboniferous continental tholeiitic basalts along a crustal-scale shear zone, southwestern Maritimes basin, eastern Canada. Lithos 50 (2000) 27-50
16. Díaz García F., Arenas R., Martínez Catalán J.R., González del Tanago J., and Dunning G.R. Tectonic evolution of the Careón ophiolite (Northwest Spain): A remnant of oceanic lithosphere in the Variscan belt. J. Geol. 107 (1999) 587-605
17. Eden .P., and Andrews J. Middle to Upper Devonian mélanges in SW Spain and their relationship to the Meneage Formation in South Cornwall. Proc. Ussher Society 7 (1990) 217-222
18. El Hadi H., Simancas J.F., Tahiri A., González Lodeiro F., Azor A., and Martínez Poyatos D. Comparative review of the Variscan granitoids of Morocco and Iberia: proposal of a broad zonation. Geodinamica Acta 19 (2006) 103-116
19. Fernández Suárez J., Díaz García F., Jeffries T.E., Arenas R., and Abati J. Constraints on the provenance of the uppermost allochthonous terrane of the NW Iberian Massif: inferences from detrital zircon U-Pb ages. Terra Nova 15 (2003) 138-144
20. Fernández Suárez J., Gutiérrez Alonso G., and Jeffries T.E. The importance of along margin terrane transport in northern Gondwana: insights from detrital zircon parentage in Neoproterozoic rocks from Iberia and Brittany. Earth Planet. Sci. Lette 204 (2002) 75-88
21. Fonseca P., and Ribeiro A. Tectonics of the Beja-Acebuches ophiolite: a major suture in the Iberian Variscan Fold-belt. Geol. Rundschau 82 (1993) 440-447
22. Fonseca P., Munhá J., Pedro J., Rosas F., Moita P., Araujo A., and Leal N. Variscan Ophiolites and high-pressure metamorphism in southern Iberia. Ofioliti 24 (1999) 259-268
23. Friedl G., Finger F., McNaughton N.J., and Fletcher I.R. Deducing the ancestry of terranes: SHRIMP evidence for South America-derived Gondwana fragments in central Europe. Geology 28 (2000) 1035-1038
24. Gómez-Pugnaire M.T., Azor A., López Sánchez-Vizcaíno V., and Soler M. The amphibolites from the Ossa-Morena/central Iberian Variscan suture (southwestern Iberian Massif): geochemistry and tectonic interpretation. Lithos 68 (2003) 23-42
25. Hoepffner Ch., Houari M.R., and Bouabdelli M. Tectonics of the North African Variscides (Morocco, western Algeria): an outline. C. R. Geoscience 338 (2006) 25-40
26. Hoepffner Ch., Soulaimani A., and Piqué A. The Moroccan Hercynides. J. Afr. Earth Sci. 43 (2005) 144-165
27. Houari M.R., and Hoepffner Ch. Late Carboniferous dextral wrench-dominated transpression along the North African craton margin (eastern High-Atlas, Morocco). J. Afr. Earth Sci. 37 (2003) 11-24
28. IGN, Mapa de España de Anomalía de Bouguer, 1:1000000, Instituto Geográfico Nacional, Madrid, 1976.
29. Kemnitz H., Romer R.L., and Oncken O. Gondwana break-up and the northern margin of the Saxothuringian belt (Variscides of central Europe). Int. J. Earth Sci. 91 (2002) 246-259
30. Keppie D., Nance R.D., Murphy J.B., and Dostal J. Tethyan, Mediterranean, and Pacific analogues for the Neoproterozoic-Paleozoic birth and development of peri-Gondwanan terranes and their transfer to Laurentia and Laurussia. Tectonophysics 365 (2003) 195-219
31. Kharbouch F. Le volcanisme dévonodinantien du Massif central et de la Meseta orientale. Bull. Inst. Sci. Rabat 18 (1994) 192-200
32. Linneman U., McNaughton N.J., Romer R.L., Gehmlig M., Drost K., and Tonk Ch. West African provenance for Saxo-Thuringia (Bohemian Massif): Did Armorica ever leave pre-Pangean Gondwana? U/Pb-SHRIMP zircon evidence and the Nd-isotopic record. Int. J. Earth Sci. 93 (2004) 683-705
33. Marillier F., and Verhoef J. Crustal thickness under the Gulf of St. Lawrence, northern Appalachians, from gravity and deep seismic data. Can. J. Earth Sci. 26 (1989) 1517-1532
34. Martínez Catalán J.R., Arenas R., Díaz García F., Rubio Pascual F.J., Abati J., and Marquínez J. Variscan exhumation of a subducted Paleozoic continental margin: The basal units of the Ordenes Complex, Galicia NW Spain. Tectonics 15 (1996) 106-121
35. Mattauer M., Proust F., and Tapponnier P. Major strike-slip faults of Late-Hercynian age in Morocco. Nature 237 (1972) 160-162
36. Matte Ph. The Variscan collage and orogeny (480-290 Ma) and the tectonic definition of the Armorica microplate: a review. Terra Nova 13 (2001) 122-128
37. Munhá J., Oliveira J.T., Ribeiro A., Oliveira V., Quesada C., and Kerrich R. Beja-Acebuches ophiolite: characterization and geodynamic significance. Maleo 2 (1986) 31
38. Murphy J.B., and Keppie J.D. The Acadian Orogeny in the northern Appalachians. Int. Geol. Review 47 (2005) 663-687
39. Murphy J.B., Gutiérrez-Alonso G., Nance R.D., Fernández-Suárez J., Duncan Keppie J., Quesada C., Strachan R.A., and Dostal J. Origin of the Rheic Ocean: Rifting along a Neoproterozoic suture?. Geology 34 (2006) 325-328
40. Oliveira J.T. The South Portuguese zone: Stratigraphy and synsedimentary tectonism. In: Dallmeyer R.D., and Martínez-García E. (Eds). Pre-Mesozoic Geology of Iberia (1990), Springer-Verlag, Berlin 334-347
41. B. Ordóñez, Geochronological studies of the Pre-Mesozoic basement of the Iberian Massif: the Ossa-Morena zone and the Allochthonous Complexes within the central Iberian zone, PhD Thesis ETH of Zurich, 1998, p. 235.
42. A. Oschner, U-Pb geochronology of the Upper Proterozoic-Lower Paleozoic Geodynamic Evolution in the Ossa-Morena zone (SW Iberia): Constrains on the timing of the Cadomian Orogeny, PhD Thesis ETH of Zurich, 1993, p. 248.
43. Ouanaimi H., and Petit J.P. La limite sud de la chaîne hercynienne dans le Haut Atlas marocain : reconstitution d'un saillant non déformé. Bull. Soc. geol. France 163 (1992) 63-72
44. I. Palomeras, R. Carbonell, I. Flecha, J.F. Simancas, P. Ayarza, J. Mata, D. Martínez Poyatos, A. Azor, F. Gonzñalez Lodeiro, A. Pérez Estaún, Constraints on the Lithosphere across the Variscan Orogen of SW Iberia from dense wide-angle seismic reflection data, J. Geophys. Res. (2008) (in press).
45. Pereira Z., Oliveira V., and Oliveira J.T. Palynostratigraphy of the Touca de Moura and Cabrela Complexes, Ossa-Morena Zone, Portugal. Geodynamic implications. Review of Palaeobotany and Palynology 139 (2006) 227-240
46. Pin C., Paquette J.L., Abalos B., Santos F.J., and Gil Ibarguchi J.I. Composite origin of an early Variscan transported suture: Ophiolitic units of the Morais Nappe Complex (North Portugal). Tectonics 25 (2006) TC5001 doi:10.1029/2006TC001971
47. A. Piqué, Géologie du Maroc, éditions Pumag, Marrakech, 1994, p. 284.
48. Piqué A., and Michard A. Moroccan Hercynides: a synopsis. The Paleozoic sedimentary and tectonic evolution at the northern margin of West Africa. Am. J. Sci. 289 (1989) 286-330
49. Proust F., Petit J.P., and Tapponnier P. L'accident de Tizi-n-Test et le rôle des décrochements dans la tectonique du Haut-Atlas occidental (Maroc). Bull. Soc. geol. France 19 (1977) 541-551
50. Quesada C., Fonseca P., Munhá J., Oliveira J.T., and Ribeiro A. The Beja-Acebuches Ophiolite (southern Iberia, Variscan Fold belt): Geological characterization and geodynamic significance. Boletín Geológico Minero 105 (1994) 3-49
51. Ribeiro A., Munhá J., Dias R., Mateus A., Pereira E., Ribeiro L., Fonseca P., Araújo A., Oliveira T., Romao J., Chaminé H., Coke C., and Pedro J. Geodynamic evolution of the SW Europe Variscides. Tectonics 26 (2007) TC6009 doi:10.1029/2006TC002058
52. Ribeiro A., Pereira E., and Dias R. Structure in the North-West of the Iberian peninsula. In: Dallmeyer R.D., and Martínez-García E. (Eds). Pre-Mesozoic Geology of Iberia (1990), Springer-Verlag, Berlin 221-236
53. Robardet M., and Gutiérrez Marco J.C. The Ordovician, Silurian and Devonian sedimentary rocks of the Ossa-Morena Zone (SW Iberian Peninsula, Spain). J. Iberian Geology 30 (2004) 73-92
54. Roddaz M., Brusset S., Soula J.C., Bézat D., Benabbou M., Debat P., Driouch Y., Christophoul F., Ntarmouchant A., and Déramond J. Foreland basin magmatism in the western Moroccan Meseta and geodynamic inferences. Tectonics 21 (2002) 1043 doi:10.1029/2001TC901029
55. Sáez R., Pascual E., Toscano M., and Almodóvar G.R. The Iberian type of volcano-sedimentary massive sulphide deposits. Mineral. Deposita 34 (1999) 549-570
56. Schermerhörn L.J.G. An outline stratigraphy of the Iberian Pyrite Belt. Boletín Geológico Minero 82 (1971) 239-268
57. C. Schmelzbach, J.F. Simancas, C. Juhlin, R. Carbonell, Seismic-reflection imaging over the South Portuguese Zone Fold-and-thrust belt, SW Iberia, J. Geophys. Res. 113 (2008) B08301, doi: 10.1029/2007JB005341.
58. Silva J.B., Oliveira J.T., and Ribeiro A. The South Portuguese zone. Structural outline. In: Dallmeyer R.D., and Martínez-García E. (Eds). Pre-Mesozoic Geology of Iberia (1990), Springer-Verlag, Berlin 334-362
59. Simancas J.F., Martínez Poyatos D., Expósito I., Azor A., and González Lodeiro F. The structure of a major suture zone in the SW Iberian Massif: the Ossa-Morena/central Iberian contact. Tectonophysics 332 (2001) 295-308
60. J.F. Simancas, F. González Lodeiro, I. Expósito, A. Azor, D. Martínez Poyatos, Opposite subduction polarities connected by transform faults in the Iberian Massif and western European Variscides, in: J.R. Martínez Catalán, R.D. Hatcher, R. Arenas, F. Díaz García (Ed.), Variscan-Appalachian dynamics, Geological Society of America Special Paper, vol. 364, 2002, pp. 253-262.
61. Simancas J.F., Carbonell R., González Lodeiro F., Pérez Estaún A., Juhlin C., Ayarza P., Kashubin A., Azor A., Martínez Poyatos D., Almodóvar G.R., Pascual E., Sáez R., and Expósito I. The crustal structure of the transpressional Variscan Orogen of Southwest Iberia: the IBERSEIS deep seismic reflection profile. Tectonics 22 (2003) 1062 doi: 10.1029/2002TC001479
62. Simancas J.F., Tahiri A., Azor A., González Lodeiro F., Martínez Poyatos D., and El Hadi H. The tectonic frame of the Variscan-Alleghanian Orogen in southern Europe and northern Africa. Tectonophysics 398 (2005) 181-198
63. J.F. Simancas, R. Carbonell, F. González Lodeiro, A. Pérez Estaún, C. Juhlin, P. Ayarza, A. Kashubin, A. Azor, D. Martínez Poyatos, R. Sáez, G.R. Almodóvar, E. Pascual, I. Flecha, D. Martí, Transpressional collision tectonics and mantle plume dynamics: the Variscides of southwestern Iberia, in: D. Gee, R.A. Stephenson (Ed.), European Lithosphere Dynamics, Geological Society London, Memoirs, vol. 32, 2006, pp. 345-354.
64. G.M. Stampfli, J.F. von Raumer, G.D. Borell, Paleozoic evolution of pre-Variscan terranes: From Gondwana to the Variscan collision, in: J.R. Martínez Catalán, R.D. Hatcher, R. Arenas, F. Díaz García (Ed.), Variscan-Appalachian dynamics, Geological Society of America Special Paper, vol. 364, 2002, pp. 263-280.
65. Winchester J.A. The PACE TMR Network Team, Palaeozoic amalgamation of central Europe: new results from recent geological and geophysical investigations. Tectonophysics 360 (2002) 5-21