Deep deformation pattern from electrical anisotropy in an arched orogen (Betic Cordillera, western Mediterranean)

Geology

Volumn 38, Issue 8, 2010, Pages 731-734

  Ruiz Constán, Ana ^a   Galindo Zaldivar, Jesús ^a,b   Pedrera, Antonio ^c   Arzate, Jorge A ^d   Pous, Jaume ^e   Anahnah, Farida ^a   Heise, Wiebke ^f   Monteiro Santos, Fernando A ^f   Marín Lechado, Carlos ^c  

^a UNIVERSITY OF GRANADA   (Spain)

^b INSTITUTO ANDALUZ DE CIENCIAS DE LA TIERRA   (Spain)

^c INSTITUTO GEOLÓGICO Y MINERO DE ESPAÑA   (Spain)

^d UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO   (Mexico)

^e UNIVERSITY OF BARCELONA   (Spain)

^f UNIVERSITY OF LISBON   (Portugal)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY PATTERNS; BETIC CORDILLERA; DEEP LEVEL; DEFORMATION PATTERN; ELECTRICAL ANISOTROPY; GEOELECTRICAL; GIBRALTAR ARC; IBERIAN MASSIFS; LATTER MECHANISM; LOW-INTENSITY; MAGNETOTELLURIC DATA; MANTLE DEFORMATION; MEDITERRANEAN REGION; PLATE BOUNDARIES; PLATE TECTONICS; SEISMIC ANISOTROPY; UPPER MANTLE; WESTERN MEDITERRANEAN;

ARCHES; DEFORMATION; OLIVINE; PLATES (STRUCTURAL COMPONENTS); SILICATE MINERALS; TECTONICS;

ANISOTROPY;

DEFORMATION; DELAMINATION; GEOELECTRIC FIELD; MAGNETOTELLURIC METHOD; OROGENY; PLATE BOUNDARY; SEISMIC ANISOTROPY; SUBDUCTION; UPPER MANTLE;

BETIC CORDILLERA; GIBRALTAR; IBERIAN MASSIF; MEDITERRANEAN REGION; SPAIN;

EID: 77955975303     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G31144.1     Document Type: Article

References (29)

1. Andrieux, J., Fontbote, J.M., and Mattauer, M., 1971, Sur un modéle explicatif de 1'Arc de Gibraltar: Earth and Planetary Science Letters, v. 12, p. 191-198, doi: 10.1016/0012-821X(71)90077-X.
2. Bahr, K., 1988, Interpretation of the magnetotelluric impedance tensor: Regional induction and local telluric distortion: Journal of Geophysics, v. 62, p. 119-127.
3. Blanco, M.J., and Spakman, W., 1993, The P-wave velocity structure of the mantle below the Iberian Peninsula: Evidence for subducted lithosphere below southern Spain: Tectonophysics, v. 221, p. 13-34, doi: 10.1016/0040-1951(93)90025-F.
4. Buontempo, L., Bokelmann, G.H.R., Barruol, G., and Morales, J., 2008, Seismic anisotropy beneath southern Iberia from SKS splitting: Earth and Planetary Science Letters, v. 273, p. 237-250, doi: 10.1016/j.epsl.2008.06.024.
5. Caldwell, T.G., Bibby, H.M., and Brown, C., 2004, The magnetotelluric phase tensor: Geophysical Journal International, v. 158, p. 457-469, doi: 10.1111/j.1365-246X.2004.02281.x.
6. Calvert, A., Sandvol, E., Seber, D., Barazangi, M., Vidal, F., Alguacil, G., and Jabour, N., 2000, Propagation of regional seismic phases (Lg and Sn) and Pn velocity structure along the Africa-Iberia plate boundary zone: Tectonic implications: Geophysical Journal International, v. 142, p. 384-408, doi: 10.1046/j.1365-246x.2000.00160.x.
7. Dewey, J.F., Helman, M.L., Turco, E., Hutton, D.H.W., and Knott, S.D., 1989, Kinematics of the western Mediterranean, in Coward, M.P., et al., eds., Alpine tectonics: Geological Society of London Special Publication 45, p. 265-283.
8. Díaz, J., Gallart, J., Hirn, A., and Paulssen, H., 1998, Anisotropy beneath the Iberian Peninsula: The contribution of the ILIHANARS broad-band experiment: Pure and Applied Geophysics, v. 151, p. 395-405, doi: 10.1007/s000240050119.
9. Duggen, S., Hoernle, K., van den Bogaard, P., and Garbe-Schönberg, D., 2005, Post-collisional transition from subduction to intraplate-type magmatism in the westernmost Mediterranean: Evidence for continental-edge delamination of subcontinental lithosphere: Journal of Petrology, v. 46, p. 1155-1201, doi: 10.1093/petrology/egi013.
10. Eaton, D.W., Jones, A.G., and Ferguson, I.J., 2004, Lithospheric anisotropy structure inferred from collocated teleseismic and magnetotelluric observations: Great Slave Lake shear zone, northern Canada: Geophysical Research Letters, v. 31, L19614, doi: 10.1029/2004GL020939.
11. Fadil, A., Vernant, P., McClusky, S., Reilinger, R., Gomez, F., Sari, D.B., Mourabit, T., Feigl, K., and Barazangi, M., 2006, Active tectonics of the western Mediterranean: Geodetic evidence for rollback of a delaminated subcontinental lithospheric slab beneath the Rif Mountains, Morocco: Geology, v. 34, p. 529-532, doi: 10.1130/G22291.1.
12. Gutscher, M.-A., Malod, J., Rehault, J.P., Contrucci, I., Klingelhoefer, F., Mendes, L., and Spackman, W., 2002, Evidence for active subduction beneath Gibraltar: Geology, v. 30, p. 1071-1074, doi: 10.1130/0091-7613(2002)030<1071:EFASBG>2.0.CO;2.
13. Hamilton, M.P., Jones, A.G., Evans, R.L., Evans, S., Fourie, C.J.S., Garcia, X., Mountford, A., Spratt, J.E., and the SAMTEX MT Team, 2006, Electrical anisotropy of South African lithosphere compared with seismic anisotropy from shear-wave splitting analyses: Physics of the Earth and Planetary Interiors, v. 158, p. 226-239, doi: 10.1016/j.pepi.2006.03.027.
14. Hatzfeld, D., 1976, Etude sismologique et gravimetrique de la structure profonde de la mer d'Alboran: Mise en évidence d'un manteau anomal: Paris, Académie de Sciences Comptes Rendues, v. 283, p. 1021-1024.
15. ILIHA DSS Group, 1993, A deep seismic sounding investigation of lithospheric heterogeneity and anisotropy beneath the Iberian Peninsula: Tectonophysics, v. 221, p. 35-51, doi: 10.1016/0040-1951(93)90026-G.
16. Ji, S., Rondenay, S., Mareschal, M., and Senechal, G., 1996, Obliquity between seismic and electrical anisotropies as a potential indicator of movement sense for ductile shear zones in the upper mantle: Geology, v. 24, p. 1033-1036, doi: 10.1130/0091-7613(1996)024<1033:OBSAEA>2.3.CO;2.
17. Lonergan, L., and White, N., 1997, Origin of the Betic-Rif mountain belt: Tectonics, v. 16, p. 504-522, doi: 10.1029/96TC03937.
18. Mareschal, M., Kellett, R.L., Kurtz, R.D., Ludden, J.N., and Bailey, R.C., 1995, Archean cratonic roots, mantle shear zones and deep electrical anisotropy: Nature, v. 375, p. 134-137, doi: 10.1038/375134a0.
19. Morales, J., Serrano, I., Jabaloy, A., Galindo-Zaldivar, J., Zhao, D., Torcal, F., Vidal, F., and Gonzalez-Lodeiro, F., 1999, Active continental subduction beneath the Betic Cordillera and Alboran Sea: Geology, v. 27, p. 735-738, doi: 10.1130/0091-7613(1999)027<0735:ACSBTB>2.3.CO;2.
20. Morel, J.L., and Meghraoui, M., 1996, Goringe-Alboran-Tell tectonic zone: A transpression system along the Africa-Eurasia plate boundary: Geology, v. 24, p. 755-758, doi: 10.1130/0091-7613(1996)024<0755:GATTZA>2.3.CO;2.
21. Platt, J.P., and Vissers, R.L.M., 1989, Extensional collapse of thickened continental lithosphere: A working hypothesis for the Alboran Sea Gibraltar Arc: Geology, v. 17, p. 540-543, doi: 10.1130/0091-7613(1989)017<0540:ECOTCL>2.3.CO;2.
22. Sanz de Galdeano, C., 1990, Geologic evolution of the Betic Cordilleras in the Western Mediterranean, Miocene to the present: Tectonophysics, v. 172, p. 107-119, doi: 10.1016/0040-1951(90)90062-D.
23. Seber, D., Barazangi, M., Ibenbrahim, A., and Demnati, A., 1996, Geophysical evidence for lithospheric delamination beneath the Alboran Sea and Rif-Betics Mountains: Nature, v. 379, p. 785-790, doi: 10.1038/379785a0.
24. Serrano, I., Hearn, T.M., Morales, J., and Torcal, F., 2005, Seismic anisotropy and velocity structure beneath the southern half of the Iberian Peninsula: Physics of the Earth and Planetary Interiors, v. 150, p. 317-330, doi: 10.1016/j.pepi.2004.12.003.
25. Silver, P.G., and Chan, W.W., 1988, Implications for continental structure and evolution from seismic anisotropy: Nature, v. 335, p. 34-39, doi:10.1038/335034a0.
26. Tommasi, A., Tikoff, B., and Vauchez, A., 1999, Upper mantle tectonics: Threedimensional deformation, olivine crystallographic fabrics and seismic properties: Earth and Planetary Science Letters, v. 168, p. 173-186, doi:10.1016/S0012-821X(99)00046-1.
27. Tubía, J.M., 1994, The Ronda peridotites (Los Reales nappe): An example of the relationship between lithospheric thickening by oblique tectonics and late extensional deformation within the Betic Cordillera (Spain): Tectonophysics, v. 238, p. 381-398, doi: 10.1016/0040-1951(94)90065-5.
28. Varentsov, M., I., 2007, Arrays of simultaneous EM soundings: Design, data processing and analysis, in Spichak, V.V., ed., Electromagnetic sounding of the Earths interior: Methods in geochemistry and geophysics, Volume 40: Amsterdam, Elsevier, p. 263-277.
29. Wannamaker, P.E., 2005, Anisotropy versus heterogeneity in continental solid Earth electromagnetic studies: Fundamental response characteristics and implications for physicochemical state: Surveys in Geophysics, v. 26, p. 733-765, doi: 10.1007/s10712-005-1832-1.