The cenozoic history of volcanism and hydrothermal alteration in the central andean flat-slab region: New 40Ar-39Ar constraints from the El indio–pascua Au (-Ag, Cu) belt, 29°20′–30°30′ S

International Geology Review

Volumn 43, Issue 4, 2001, Pages 312-340

  Bissig, Thomas ^a   Lee, James K W ^a   Clark, Alan H ^a   Heather, Kevin B ^b  

^a QUEEN S UNIVERSITY   (Canada)

^b Barrio Industrial   (Chile)

Author keywords

[No Author keywords available]

Indexed keywords

CENOZOIC; GOLD; HYDROTHERMAL ALTERATION; MINERALIZATION; ORE DEPOSIT; SILVER; VOLCANISM;

CHILE;

EID: 0034774734     PISSN: 00206814     EISSN: 19382839     Source Type: Journal    
DOI: 10.1080/00206810109465016     Document Type: Article

References (44)

1. Aparieio, E. P., 1984. Geología de San Juan, 167San Juan:Universidad Nacional San Juan, Facultad Ciencias Exactas, Físicas y Naturales.
2. Arcos, R., 1997. Informe trabajos de temporada Noviembre 1996 a Enero 1997—Geología del prospecto Vacas Heladas—Febrero de 1997, 9La Serena, Chile:Barrick Chile Ltda. and Compañía Minera El Indio.
3. Bissig, T., 2001. Metallogenesis of the Miocene El Indio-Pascua gold-silver-copper belt, Chile/Argentina:Geodynamic, geomorphological, and petrochemical controls on epithermal Mineralization, 531Kingston, Ontario, Canada:Queen's University. Unpubl. Ph.D. thesis
4. Bissig, T., Clark, A. H., and Lee, J. K. W., Cerro de Vidrio rhyolitic dome:Evidence for Late Pliocene volcanism in the central Andean flat-slab region, Lama-Veladero district, 29°20′ S, San Juan Province, Argentina. Journal of South American Earth Sciences
5. Bissig, T., Clark, A. H., Lee, J. K. W., and Heather, K. B., 2000. Revised metallogenetic model for the El Indio-Pascua/Lama Au (-Ag, Cu) belt, Regiones III/IV, Chile, and Provincia San Juan, Argentina, A–280. Geological Society of America Annual Meeting, Abstracts with Programs.
6. Bissig, T., Clark, A. H., Lee, J. K. W., and Hodgson, C. J., Miocene landscape evolution in the Chilean flat-slab transect:Uplift history and geomorphologic controls on epithermal processes in the El Indio–Pascua Au (-Ag, Cu) belt. Economic Geology
7. Cahill, T., and Isacks, B. L., 1992. Seismieity and shape of the subducted Nazca Plate. Journal of Geophysical Research, 97:17, 503–17, 529.
8. Chouinard, A., Alteration, mineralization and geochemistry of the Pascua Au-Ag-Cu high-sulphida-tion deposit, Chile, Provincia San Juan, Argentina, Montreal, Quebec, Canada:McGill University.
9. Clark, A. H., Farrar, E., Camus, F., and Quirt, G. S., 1983. K-Ar age data for the El Teniente porphyry copper deposit, central Chile. Economic Geology, 78:1003–1006.
10. Clavero, J. R., Martin, M. W., Mpodozis, C., and Cuitiño, L., 1997. Eventos de alteración-mineralización en la franja El Indio (29°-30° S):Nuevos antecedentes geológicos y geocronológicos. VIII Congreso Geológico de Chile, Actas, 2:896–900.
11. Deyell, C. L., Rye, R. O., and Landis, G. P., 2000. Mineralogy, stable isotopes and fluid inclusion gas chemistry of alunite from the Tambo deposit, El Indio district, Chile, A–48. Geological Society of America Annual Meeting.
12. Deyell, C. L., Rye, R. O., Landis, G. P., and Bissig, T., Alunite in an evolving magmatie-hydrothermal system:The Tambo high-sulfidation deposit, El Indio district, Chile. Chemical Geology
13. Gallardo, M., 1996. Informe Temporada Enero-Abril 1996, Libra–Sanco, La Serena, Chile:Barrick Chile Ltda.
14. Groeber, P., 1951. La Alta Cordillera entre las latitudes 34° y 29°30′ S. Revista Cientifica Geológica del Museo Argentino de las Ciencias Naturales, I (5):1–352.
15. Gutscher, M. A., Maury, R., Eissen, J. P., and Bourdon, E., 2000. Can slab melting be caused by flat subduction?. Geology, 28:535–538.
16. Heather, K. B., and Diaz, D., 2000. El Indio–Tambo District regional geological mapping program 1997-1999, Vol. 2, 284Barrick Chile Ltda.
17. Heresman, A., and Davicino, R., 1990. El Sancarrón Argentino, un yacimiento epitermal del tipo sulfato-acido, 324–327. San Juan:Decimo primer Congreso Geológico Argentino.
18. Jannas, R. R., 1995. Reduced and oxidised high sulfidation deposits of the El Indio district, Chile, 421Cambridge, MA:Harvard University.
19. Jannas, R., Beane, R. E., Ahler, B. A., and Brosnahan, D. R., 1990. Gold and copper mineralization at the El Indio deposit, Chile. Journal of Geochemical Exploration, 36:233–266.
20. Jannas, R., Bowers, T. S., Petersen, U., and Beane, R. E., 1999. “ High-sulfidation deposit types in the El Indio district, Chile ”. In Geology and ore deposits of the Central Andes, Edited by:Skinner, B. J., 219–266. Society of Economic; Geologists.
21. Kay, S. M., and Abruzzi, J. M., 1996. Magmatic evidence for Neogene lithospheric evolution of the central Andean “flat-slab” between 30° and 32° S. Tectonophysics, 259:15–28.
22. Kay, S. M., Maksaev, V., Mpodozis, C., Moscoso, R., Nasi, C., and Gordillo, C. E., 1988. Tertiary Andean magmatism in Argentina and Chile between 28–33° S:Correlation of magmatic chemistry with a changing Benioff zone. Journal of South American Earth Sciences, 1:21–38.
23. Kay, S. M., and Mpodozis, C., 2001. Central Andean ore deposits linked to evolving shallow subduction systems and thickening crust. GSA Today, 11 (3):4–9.
24. Kay, S. M., Mpodozis, C., and Coira, C., 1999. “ Neogene magmatism, tectonism and mineral deposits of the Central Andes (22° to 33° S Latitude) ”. In Geology and ore deposits of the Central Andes, Edited by:Skinner, B. J., 27–59. Society of Economic Geologists.
25. Kay, S. M., Mpodozis, C., Ramos, V. A., and Munizaga, F., 1991. “ Magma source variations for mid-late Tertiary magmatic; rocks associated with a shallowing subduction zone and a thickening crust in the central Andes (28° to 33° S) ”. In Andean magmatism and its tectonic setting, Edited by:Harmon, R. S., and Rapela, C. W., 113–137. Geological Society of America.
26. Limarino, C. O., Gutiérrez, P. R., Malizia, D., Barreda, V., Page, S., Ostera, H., and Linares, E., 1999. Edad de las secuencias paléogenas y néogenas de las cordilleras de la Brea y Zancarrón, Valle del Cura, San Juan (nota breve). Revista de la Asociación Geológica Argentina, 54:177–181.
27. Maksaev, V., Moscoso, R., Mpodozis, C., and Nasi, C., 1984. Las unidades volcánicas y plutonicas del cenozoico superior en la Alta Cordillera del Norte Chico (29°-31° S):Geología, alteratión hidrothermal y mineralisación. Revista geológica de Chile, 21:11–51.
28. Martin, M. W., Clavero, J. R., and Mpodozis, C. M., 1997. Eocene to Late Miocene magmatic development of the El Indio belt, ~30° S, north-central Chile. VIII Congreso Geológico Chileno Actas, 1:149–153.
29. Martin, M. W., Clavero, J. R., and Mpodozis, C. M., 1999. Late Paleozoic; to Early Jurassic tectonic development of the high Andean Principal Cordillera, El Indio Region, Chile (29-30° S). Journal of South American Earth Sciences, 12:33–49.
30. Martin, M. W., Clavero, J. R., Mpodozis, C. M., and Cutifio, L. G., 1995. Estudio geológico regional de la franja El Indio, Cordillera de Coquimbo, 232Santiago, Chile:Servicio Nacional de Geología y Minería, Chile and Compañía Minera San José.
31. Onstott, T. C., and Peacock, M. W., 1987. Argon retentivity of hornblendes; a field experiment in a slowly cooled metamorphic terrane. Geochimica et Cosmoehimica Acta, 51:2891–2903.
32. Perelló, J., Urzúa, F., Cabello, J., and Ortiz, F., 1996. “ Clustered, gold-bearing Oligocene porphyry copper and associated epithermal mineralization at La Fortuna, Vallenar region, northern Chile ”. In Andean copper deposits; New discoveries, mineralization styles, and metallogeny, Edited by:Camus, F., Sillitoe, R. H., and Petersen, R., Vol. 5, 81–90. Society of Economic Geologists.
33. Pilger, R. H., Jr. 1984. Cenozoic plate kinematics, subduction and magmatism; South American Andes. Journal of the Geological Society of London, 141:793–802.
34. Quirt, G. S., Clark, A. H., Farrar, E., and Sillitoe, R. H., 1971. Potassium-argon ages of porphyry copper deposits in northern and central Chile. Geological Society of America Annual Meeting, 3:676–677.
35. Ramos, V. A., Mahlburg-Kay, S., Page, R. N., and Munizaga, F., 1989. La ignimbrita Vacas Heladas y el cese del volcanismo en el Valle del Cura, Provincia de San Juan. Revista Asociación Geológica Argentina, 44:336–352.
36. 39Ar standards. Geochimica et Cosmochimica Acta, 47:887–898.
37. Sandeman, H. A., Archibald, D. A., Grant, J. W., Villeneuve, M. E., and Ford, F. D., 1999. “ Characterisation of the chemical composition and 40Ar-39Ar systematics of intralaboratory standard MAC-83 biotite ”. In Radiogenic age and isotopic studies, 13–26. Geological Survey of Canada, Current Research 1999-F.
38. Sasso, A. M., and Clark, A. H., 1998. The Farallón Negro group, Northwest Argentina:Magmatic hydrothermal and tectonic evolution and implications for Cu-Au metallogeny in the Andean back-arc. Society of Economic Geologists Newsletter, 34:1
39. Sillitoe, R. H., 1988. Episodes of intrusion related copper mineralization in the Andes. Journal of South American Earth Sciences, 1:89–108.
40. Sillitoe, R. H., McKee, E. H., and Vila, T., 1991. Reconnaissance K-Ar geochronology of the Maricunga gold-silver belt, northern Chile. Economic Geology, 86:1261–1270.
41. Skewes, M. A., and Stern, C. H., 1994. Tectonic trigger for the formation of Late Miocene Cu-rich megabreceias in the Andes of central Chile. Geology, 22:551–554.
42. Steiger, R. H., and Jäger, E., 1977. Subcommission on geochronology:Convention on the use of decay constants in geo- and eosmochronology. Earth and Planetary Science Letters, 36:359–362.
43. Thiele, R., 1964. Reconocimiento geológieo de la Alta Cordillera de Elqui. Santiago, 27:73
44. Williams, D., 1998. Geologic re-evaluation of the Sancarrón project and proposed exploration program and budget for 1998, La Serena, Chile:Barrick Chile Ltda.