Electromagnetic study of the active continental margin in northern Chile

Physics of the Earth and Planetary Interiors

Volumn 102, Issue 1-2, 1997, Pages 69-87

  Echternacht, Friedrich ^a   Tauber, Sebastian ^a   Eisel, Markus ^b   Brasse, Heinrich ^a   Schwarz, Gerhard ^a   Haak, Volker ^b  

^a FREIE UNIVERSITÄT BERLIN   (Germany)

^b GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CONTINENTAL MARGIN; ELECTRICAL CONDUCTIVITY; FOREARC; MAGMATIC ARC; MAGNETOTELLURIC SURVEY;

CHILE;

EID: 0030695130     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0031-9201(96)03261-X     Document Type: Article

References (31)

1. Barazangi, M., Isacks, B.L., 1976. Spatial distribution of earthquakes and subduction of the Nazca Plate beneath South America. Geology 4, 686-692.
2. Bucher, K., Frey, M., 1994. Petrogenesis of Metamorphic Rocks, 6th ed. Springer, Berlin.
3. Chinn, D.S., Isacks, B.L., Barazangi, M., 1980. High frequency seismic wave propagation in western South America along the continental margin, in the Nazca plate and across the Altiplano. Geophys. J. R. Astron. Soc. 60, 209-244.
4. Comte, D., Suarez, G., 1995. Stress distribution and geometry of the subducting Nazca plate in northern Chile using teleseismically recorded earthquakes. Geophys. J. Int. 122 (2), 419-440.
5. Egbert, G.D., 1989. Multivariate analysis of geomagnetic array data II, random source models. J. Geophys. Res. 94 (B10), 14249-14265.
6. Egbert, G.D., Booker, J.R., 1986. Robust estimation of geomagnetic transfer functions. Geophys. J. R. Astron. Soc. 87, 173-194.
7. Giese, P., 1994. Geothermal structure of the central Andean crust - implications for heat transport and rheology. In: Reutter, K.-J., Scheuber, E., Wigger, P. (Eds.), Tectonics of the Southern Central Andes. Springer, Berlin.
8. Götze, H.J., Lahmeyer, B., Schmidt, S., Strunk, S., 1994. The lithospheric structure of the central Andes (20°-26°S) as inferred from quantitative interpretation of regional gravity. In: Reutter, K.-J., Scheuber, E., Wigger, P. (Eds.), Tectonics of the Southern Central Andes. Springer, Berlin.
9. Groom, R.W., Bailey, R.C., 1989. Decomposition of magnetotelluric impedance tensors in the presence of local three-dimensional galvanic distortion. J. Geophys. Res. 94 (B2), 1913-1925.
10. Groom, R.W., Bailey, R.C., 1991. Analytic investigations of the effects of near-surface three-dimensional galvanic scatterers on MT tensor decompositions. Geophysics 56 (4), 496-518.
11. Hamza, V.M., Muñoz, M., 1996. Heat flow map of South America. Geothermics 25 (6).
12. Henry, S.G., Pollack, H.N., 1988. Terrestrial heat flow above the Andean subduction zone in Bolivia and Peru. J. Geophys. Res. 93 (B12), 15153-15162.
13. Isacks, B.L., 1988. Uplift of the central Andean plateau and bending of the Bolivian orocline. J. Geophys. Res. 93 (B4), 3211-3231.
14. James, D.E., 1971. Andean crustal and upper mantle structure. J. Geophys. Res. 76 (B14), 3246-3271.
15. Jones, A.G., Chave, A.D., Egbert, G., Auld, D., Bahr, K., 1989. A comparison of techniques for magnetotelluric response function estimation. J. Geophys. Res. 94 (B10), 14201-14213.
16. Krüger, D., 1994. Modellierungen zur Struktur elektrisch leitfähiger Zonen in den südlichen zentralen Anden, Berliner geowiss. Abh. (B), 21, Selbstverlag Fachbereich Geowiss., Free Univ. Berlin.
17. Kurtz, R.D., Delaurier, J.M., Gupta, J.C., 1986. A magnetotelluric sounding across Vancouver Island detects the subducting Juan de Fuca plate. Nature 321, 596-599.
18. Massow, W., 1994. Magnetotellurik in der Westkordillere Nordchiles. Unpublished Diploma Thesis, Fachrichtung Geophysik, Free Univ. Berlin.
19. Müller, M., 1995. 3D-Modellierung von Leitfähigkeitsanomalien in Nordchile. Unpublished Diploma Thesis, Institute of Geophysics, Univ. Geophysics, Univ. Berlin.
20. Ocala, L.C., Meyer, R.P., 1972. Crustal low-velocity zones under the Peru-Bolivia Altiplano. Geophys. J. R. Astron. Soc. 30, 199-209.
21. Reutter, K.-J., Giese, P., Götze, H.J., Scheuber, E., Schwab, K., Schwarz, G., Wigger, P., 1988. Structures and crustal development of the central Andes between 21° and 25°S. In: Bahlburg, H., Breitkreuz, C., Giese, P. (Eds), The Southern Central Andes, Lecture Notes on Earth Sciences 17. Springer, Berlin, pp. 231-261.
22. Scheuber, E., 1994. Tektonische Entwicklung des nordchilenischen aktiven Kontinentalrandes: Der Einfluß von Plattenkonvergenz und Rheologie. In: Weber, K. (Ed.), Geotektonische Forschungen, 81. E. Schweizerbart'sehe Buchhandlung, Stuttgart.
23. Schilling, F.R., Partzsch, G.M., Brasse, H., Schwarz, G., 1997. Partial melting below the magnetic arc in the central Andes deduced from geoelectromagnetic field experiments and laboratory data. Phys. Earth Planet. Inter. in press.
24. Schmucker, U., Hartmann, O., Giesecke, A.A., Casaverde, M., Forbush, S.E., 1966. Electrical conductivity anomaly in the earth's crust in Peru. Carnegie Inst. Washington Yearb. 65, 11-28.
25. Schwarz, G., Chong-Diaz, G., Krüger, D., Martinez, M., Massow, W., Rath, V., Viramonte, J., 1994. Crustal high conductivity zones in the southern Central Andes In: Reutter, K.-J., Scheuber, E., Wigger, P. (Eds.), Tectonics of the Southern Central Andes. Springer, Berlin.
26. Swift, C.M., 1967. A magnetotelluric investigation of an electrical conductivity anomaly in the south-western United States. Technical Report M.I.T.
27. Wannamaker, P.E., Hohmann, G.W., San Filipo, W.A., 1984. Electromagnetic modelling of three-dimensional bodies in layered earths using integral equations. Geophysics 49 (1), 60-74.
28. Wannamaker, P.E., Stodt, J.A., Rijo, L., 1987. A stable finite element solution for two-dimensional modeling. Geophys. J. R. Astron. Soc. 88, 277-296.
29. Wannamaker, P.E., Booker, J.R., Jones, A.C., Chave, A.D., Filloux, J.H., Waff, H.S., Law, L.K., 1989. Resistivity cross section through the Juan de Fuca subduction system and its tectonic implications. Geophys. J. R. Astron. Soc. 94, 14127-14144.
30. Wigger, P., Schmitz, M., Araneda, M., Asch, G., Baldzuhn, S., Giese, P., Heinsohn, W.-D., Martinez, E., Ricaldi, E., Röwer, P., Viramonte, J., 1994. Variation in the crustal structure of the Southern Central Andes deduced from seismic refraction investigations. In: Reutter, K.J., Scheuber, E., Wigger, P. (Eds.), Tectonics of the Southern Central Andes. Springer, Berlin.
31. Wörner, G., Moorbath, S., Horn, S., Entenmann, J., Harmon, R.S., Davidson, J.P., Lopezes-Escobar, L., 1994. Large- and fine-scale geochemical variations along the Andean arc of northern Chile (17.5°-22°S). In: Reutter, K.-J., Scheuber, E., Wigger, P. (Eds.), Tectonics of the Southern Central Andes. Springer, Berlin.