Paleomagnetic evidence of earliest Paleocene deformation in Calama (∼22°S), northern Chile: Andean-type or ridge-collision tectonics?

Journal of South American Earth Sciences

Volumn 37, Issue , 2012, Pages 208-213

  Somoza, R ^a,b   Tomlinson, A J ^c   Caffe, P J ^b,d   Vilas, J F ^a,b  

^a UNIVERSIDAD DE BUENOS AIRES   (Argentina)

^b Universidad de Buenos Aires   (Argentina)

^c SERVICIO NACIONAL DE GEOLOGÍA Y MINERÍA   (Chile)

^d UNIVERSIDAD NACIONAL DE JUJUY   (Argentina)

Author keywords

Central Andes; Earliest Paleocene deformation; Northern Chile; Ridge collision

Indexed keywords

ANDEAN OROGENY; COLLISION ZONE; CRETACEOUS; DEFORMATION MECHANISM; EOCENE; HOST ROCK; HYPOTHESIS TESTING; MAASTRICHTIAN; MAGNETIC REVERSAL; OCEANIC LITHOSPHERE; PALEOCENE; PALEOMAGNETISM; PLATE BOUNDARY; PLUTON; REMANENT MAGNETIZATION; TECTONIC RECONSTRUCTION; TECTONIC SETTING; TRIPLE JUNCTION;

ANTOFAGASTA; CALAMA; CHILE;

EID: 84860354320     PISSN: 08959811     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jsames.2012.04.001     Document Type: Article

References (38)

1. Arévalo C. Carta Los Loros, Región de Atacama. Carta Geológica de Chile, Serie Geología Básica 2005, 91:54. Servicio Nacional de Geología y Minería, 1 mapa, escala 1:100,000.
2. Arévalo C. Carta Copiapó, Región de Atacama. Carta Geológica de Chile, Serie Geología Básica 2005, 92:54. Servicio Nacional de Geología y Minería, 1 mapa, escala 1:100,000.
3. Arriagada C., Roperch P., Mpodozis C., Dupont-Nivet G., Cobbold P., Chauvin A., Cortés J. Paleogene clockwise tectonic rotations in the forearc of central Andes, Antofagasta region, northern Chile. Journal of Geophysical Research 2003, 108:B1.2031. 10.1029/2001JB001598.
4. Ballard J.R., Palin J.M., Campbell I.H. Relative oxidation states of magmas inferred from Ce(IV)/Ce(III) in zircon: application to porphyry copper deposits of northern Chile. Contributions to Mineralogy and Petrology 2002, 144:347-364.
5. Campbell I.H., Ballard J.R., Palin J.M., Allen C., Faunes A. U-Pb zircon geochronology of Granitic rocks from the Chuquicamata-El Abra porphyry copper Belt of northern Chile: excimer laser ablation ICP-MS analysis. Economic Geology 2006, 101:1327-1344.
6. Cande S., Leslie R. Late Cenozoic tectonics of the southern Chile trench. Journal of Geophysical Research 1986, 91:471-496.
7. Cornejo, P., Matthews, S., 2001. Evolution of magmatism from the uppermost Cretaceous to Oligocene and its relationship to changing tectonic regime. In: 3rd South American Symposium on Isotope Geology, pp. 558-561.
8. Cornejo P., Tosdal R.M., Mpodozis C., Tomplinson A.J., Rivera O. El Salvador; Chile porphyry copper deposit revisited: geologic and geochronologic framework. International Geology Review 1997, 39:22-54.
9. Cornejo, P., Matthews, S., Pérez de Arce, C., 2003. The K-T compressive deformation event in northern Chile (24-27° S). In: X Congreso Geológico Chileno, Extended Abstracts Volume (CD), Concepción.
10. Cornejo P., Mpodozis C., Rivera O., Matthews S. Carta Exploradora, Regiones de Antofagasta y Atacama. Carta Geológica de Chile, Serie Geología Básica 2009, 119:10. Servicio Nacional de Geología y Minería, 1 mapa, escala 1:100,000.
11. Espinoza, F., Cornejo, P., Matthews, P., 2009. Geochronology of Late Cretaceous-Early Cenozoic magmatism in northern Chile (24°30'-26° S). In: LateinAmerika Kolloquium (LAK) 21, 5, Göettingen, Germany.
12. 39Ar y K-Ar de un hiatus cretácico superior-eoceno en Chile central (33-33°30'S). Revista Geológica de Chile 1997, 24:145-163.
13. Gorring M.L., Kay S. Mantle processes and sources of Neogene slab window magmas from southern Patagonia, Argentina. Journal of Petrology 2001, 42:1067-1094.
14. Günther A. Strukturgeometrie, Kinematik und Deformationsgeschichte des oberkretazisch-alttertiären magmatischen Bogens (nord-chilenische Präkordillere, 21.7°-23°S). Berliner Geowissenschaftliche Abhandlungen, Reiche A 2001, 213:170.
15. Günther, A., Haschke, M., Reutter, K.J., Scheuber, E., 1997. Repeated reactivation of an ancient fault zone under changing kinematic conditions: the Sierra de Morena Fault System (SMFS) (N-Chilean Precordillera). In: VIII Congreso Geológico Chileno, Actas, vol. 1, pp. 85-89.
16. Isacks B. Uplift of the central Andean Plateau and bending of the Bolivian orocline. Journal of Geophysical Research 1988, 93:3211-3231.
17. Jordan T.E., Nester P.L., Blanco N., Hoke G.D., Dávila F., Tomlinson A.J. Uplift of the Altiplano-Puna plateau: a view from the west. Tectonics 2010, 29:TC5007. 10.1029/2010TC002661.
18. Maksaev V., Munizaga F., Valencia V., Barra F. LA-ICP-MS zircon U-Pb geochronology to constrain the age of post-Neocomian continental deposits of the Cerrillos Formation, Atacama Region, northern Chile: tectonic and metallogenic implications. Andean Geology 2009, 36:264-287.
19. Matthews S., Cornejo P., Riquelme R. Carta Inca Oro, Región de Atacama. Carta Geológica de Chile, Serie Geología Básica 2006, 102. Servicio Nacional de Geología y Minería, escala 1:100,000.
20. Mégard F. The evolution of the Pacific margin in South America north of the Arica elbow (18°S). Oxford Monographs on Geology and Geophysics 1989, vol. 8:108-230. Z. Ben-Avraham (Ed.).
21. Mpodozis C., Ramos V. The Andes of Chile and Argentina. Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series 1990, vol. 11:59-90. Houston. G. Eriksen (Ed.).
22. Mpodozis C., Arraigada C., Basso M., Roperch P., Cobbold P., Reich M. Late Cenozoic to Paleogene stratigraphy of the Salar de Atacama Basin, Antofagasta, northern Chile: implications for the tectonic evolution of the central Andes. Tectonophysics 2005, 399:125-154.
23. Ramos V.A. Seismic ridge subduction and topography: foreland deformation in the Patagonian Andes. Tectonophysics 2005, 399(1-4):73-86.
24. Ramos, V., Aleman, A., 2000. Tectonic evolution of the Andes. In: Cordani, U., et al. (Eds.), Tectonic Evolution of South America. 31st. International Geological Congress, Rio de Janeiro, Brasil, pp. 635-685.
25. Ramos V., Mahlburg Kay S. Southern Patagonia plateau basalts and deformation: backarc tectimony of ridge collisions. Tectonophysics 1992, 205:261-282.
26. Reutter K.J., Scheuber E., Helmcke D. Structural evidence of orogen-parallel strike slip displacement in the Precordillera of northern Chile. Geologische Rundschau 1991, 80:135-153.
27. Seedorff, E., Dilles, J.H., Proffett, J.M., Jr., Einaudi, M.T., Zurcher, L., William, J.A., Stavast, W.J.A., Johnson, D.A., Barton, M.D., 2005. Porphyry-related deposits: characteristics and origin of hypogene features. In: Hedenquist, J., Thompson, J.F., Goldfarb, R.J., Richards, J. (Eds.), 100th Anniversary Volume, Society of Economic Geologists, pp. 251-298.
28. Sempere T., Hérail G., Oller J., Bonhomme M. Late Oligocene-early Miocene major tectonic crisis and related basins in Bolivia. Geology 1990, 18:946-949.
29. Sisson V.B., Pavlis T.L., Roeske S.M., Thorkelson D.L. Introduction: an overview of ridge-trench interactions in modern and ancient settings. Geological Society of America, Special Paper 2003, vol. 371:1-18. Boulder, Colorado. V.B. Sisson, S.M. Roeske, T.L. Pavlis (Eds.).
30. Soler P., Carlier G., Marocco R. Evidence for the subduction and underplating of an oceanic plateau beneath the south Peruvian margin during the late Cretaceous: structural implications. Tectonophysics 1989, 163:13-24.
31. Somoza, R., 2005. Cenozoic convergence in western South America: The subduction of the Nazca, Farallon and Phoenix plates. In: 6th International Symposium of Andean Geodynamics, Extended Abstracts, p. 681-684, Universitat de Barcelona (Spain), IRD Editions, Paris, France.
32. Somoza R. Eocene paleomagnetic pole for South America, northward continental motion in the Cenozoic, opening of Drake Passage and Caribbean convergence. Journal of Geophysical Research 2007, 112:B03104. 10.1029/2006JB004610.
33. Somoza R., Ghidella M.E. Convergencia en el margen occidental de América del Sur durante el Cenozoico: subducción de las placas de Nazca, Farallon y Phoenix. Revista de la Asociación Geológica Argentina 2005, 60:797-809.
34. Somoza R., Zaffarana C.B. Mid-Cretaceous polar standstill of South America, motion of the Atlantic hotspots and the birth of the Andean cordillera. Earth and Planetary Science Letters 2008, 271:267-277.
35. Somoza, R., Ghidella, M. Late Cretaceous to Recent plate motions in western South America revisited. Earth and Planetary Science Letters, in press, 331-332, 152-163, doi:10.1016/j.epsl.2012.03.003.
36. Taylor G.K., Grocott J., Dashwood B., Gipson M., Arévalo C. Implications for crustal rotation and tectonic evolution in the central Andes fore arc: new paleomagnetic results from the Copiapó region of northern Chile, 26°-28°S. Journal of Geophysical Research 2007, 112:B01102. 10.1029/2005JB003950.
37. Tomlinson, A.J., Blanco, N., Maksaev, V., Dilles, J., Grunder, A.L., Ladino, M., 2001. Geología de la Precordillera Andina de Quebrada Blanca - Chuquicamata, Regiones I y II (20° 30'-22° 30'S). Servicio Nacional de Geología y Minería, Informe Registrado IR-01-20, 444 pp.
38. Zaffarana C.B., Lagorio S.L., Somoza R. Paleomagnetism and geochemistry from the Upper Cretaceous Tres Picos Prieto locality (∼44°S), Patagonian Plateau Basalts. Andean Geology 2012, 39:53-66.