New field evidence bearing on the origin of the el laco magnetite deposit, Northern Chile-a discussion

Economic Geology

Volumn 98, Issue 7, 2003, Pages 1497-1500

  Henriquez, Fernando ^a   Naslund, Richard ^b   Nystrom, Jan Olov ^c   Vivallo, Waldo ^d   Aguirre, Ramon ^b   Dobbs, Michael F ^a   Lledo, Haroldo ^b  

^a UNIVERSIDAD DE SANTIAGO DE CHILE   (Chile)

^b STATE UNIVERSITY OF NEW YORK   (United States)

^c SWEDISH MUSEUM OF NATURAL HISTORY   (Sweden)

^d SERVICIO NACIONAL DE GEOLOGÍA Y MINERÍA   (Chile)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84865519169     PISSN: 03610128     EISSN: None     Source Type: Journal    
DOI: 10.2113/gsecongeo.98.7.1497     Document Type: Note

References (16)

1. Bischoff, J.L., and Pitzer, K.S., 1989, Liquid-vapor relations for the system NaCl-H2O: Summary of the P-T-x surface from 300° to 500° C: American Journal of Science, v. 289, p. 217-248.
2. Broman, C., Nyström, J.O., Henríquez, F., and Elfman, M., 1999, Fluid inclusions in magnetite-apatite ore from a cooling magmatic system at El Laco, Chile: GFF, v. 121, p. 253-267.
3. Gardeweg, M., and Ramírez, C.F., 1985, Hoja Río Zapaleri, II Región de Antofagasta: Carta Geológica de Chile No. 66, Servicio Nacional de Geología y Minería, 89 p.
4. Hammerschmidt, K., Grosjean, M., Pedroni, A., and Friedrichsen, H., 1999, Cosmogenic He and Ne dating of glacial striae, polished surfaces and moraine boulders in the Chilean high cordillera (22°-28° S): Journal of Conference Abstracts, v. 4, no. 1, EUG 10, symposium B01.
5. Henríquez, F., and Martin, R.F., 1978, Crystal-growth textures in magnetite flows and feeder dykes, El Laco, Chile: Canadian Mineralogist, v. 16, p. 581-589.
6. Henríquez, F., and Nyström, J.O., 1998, Magnetite bombs at El Laco volcano, Chile: GFF, v. 120, p. 269-271.
7. Maksaev, V., Gardeweg, M., Ramírez, C.F., and Zentilli, M., 1988, Aplicación del método trazas de fisión a la datación de cuerpos de magnetita de El Laco e Incahuasi en el Altiplano de la Región de Antofagasta: V Congreso Geológico Chileno, Actas, v. 1, p. B1-B23.
8. Naslund, H.R., Henríquez, F., Nyström, J.O., Vivallo, W., and Dobbs, F.M., 2002, Magmatic iron ores and associated mineralization: Examples from the Chilean High Andes and Coastal Cordillera, in Porter, T.M., ed., Hydrothermal iron oxide copper-gold and related deposits: A global perspective, v. 2: Adelaide, PGC Publishing, p. 207-226.
9. Nyström, J.O., and Henríquez, F., 1994, Magmatic features of iron ores of the Kiruna type in Chile and Sweden: Ore textures and magnetite geochemistry: ECONOMIC GEOLOGY, v. 89, p. 820-839.
10. Park, C.F. Jr., 1961, A magnetite "flow" in northern Chile: ECONOMIC GEOLOGY, v. 56, p. 431-441.
11. Rhodes, A.L., and Oreskes, N., 1999, Oxygen isotope composition of magnetite deposits at El Laco, Chile: Evidence of formation from sotopically heavy fluids: Society of Economic Geologists, Special Publication 7, p. 333-351.
12. Rhodes, A.L., Oreskes, N., and Sheets, S., 1999, Geology and rare earth element geochemistry of magnetite deposits at El Laco, Chile: Society of Economic Geologists, Special Publication 7, p. 299-332.
13. heets, S.A., 1997, Fluid inclusion study of the El Laco magnetite deposits, Chile: Unpublished M.Sc. thesis, Hanover, New Hampshire, Dartmouth College, 94 p.
14. Sillitoe, R.H., and Burrows, D.R., 2002, New field evidence bearing on the origin of the El Laco magnetite deposit, northern Chile: ECONOMIC GEOLOGY, v. 97, p. 1101-1109.
15. Vivallo, W., Henríquez, F., and Espinoza, S., 1991, Alteración hidrotermal en el complejo volcánico El Laco, Norte de Chile: Congreso Geológico Chileno, 6th, Viña del Mar, 1991, Actas, v. 1, p. 44-47.
16. -1994, Oxygen and sulfur isotopes in hydrothermally altered rocks and gypsum deposits at El Laco mining district, northern Chile: Departamento de Geología, Universidad de Chile, Comunicaciones: no. 45, p. 93-100.