Re-Os isotope systematics of sulfides from felsic igneous rocks: Application to base metal porphyry mineralization in Chile

Geology

Volumn 25, Issue 9, 1997, Pages 775-778

  Freydier, Claire ^a   Ruiz, Joaquin ^a   Chesley, John ^a   McCandless, Tom ^a   Munizaga, Francisco ^b  

^a University of Arizona   (United States)

^b UNIVERSITY OF CHILE   (Chile)

Author keywords

[No Author keywords available]

Indexed keywords

BINARY ALLOYS; COPPER COMPOUNDS; DEPOSITS; ECONOMIC GEOLOGY; GEOCHRONOLOGY; IGNEOUS ROCKS; ISOTOPES; METALS; MINERALOGY; ORE DEPOSITS; OSMIUM COMPOUNDS; PYRITES; RHENIUM ALLOYS; RHENIUM COMPOUNDS; SULFIDE MINERALS; SULFUR COMPOUNDS; ZINC SULFIDE;

HYDROTHERMAL FLUIDS; HYDROTHERMAL MINERALIZATION; HYDROTHERMAL ORE DEPOSIT; HYDROTHERMAL SYSTEM; MAGMATIC FLUIDS; METEORIC FLUIDS; ORE-FORMING METALS; PORPHYRY DEPOSITS; RE-OS ISOTOPES;

POTASSIUM COMPOUNDS;

BASE METAL; FELSIC ROCK; HYDROTHERMAL FLUID; IGNEOUS ROCK; MINERALIZATION; ORE DEPOSIT; ORE-FORMING FLUID; PORPHYRY; RHENIUM-OSMIUM DATING; SOURCE ROCK; SULFIDE; AGE DETERMINATION; BASE METAL PORPHYRY; HYDROTHERMAL MINERALIZATION; RHENIUM/OSMIUM; SULPHIDE;

CHILE;

EID: 0031474725     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(1997)025<0775:ROISOS>2.3.CO;2     Document Type: Article

References (31)

1. Allègre, C. J., and Luck, J-M., 1980, Osmium isotopes as petrogenetic and geological tracers: Earth and Planetary Science Letters, v. 48, p. 148-154.
2. Brannon, J. C., Podosek, F., and McLimans, R., 1992, Alleghenian age of the Upper Mississippi Valley zinc-lead deposit determined by Rb-Sr dating of sphalerite: Nature, v. 356, p. 509-511.
3. Camus, F., 1985, Geologia de los yacimientos epitermales de oro en Chile y posible modelo idealizado, in Frutos, J., et al., eds., Geologia y recursos minerales de Chile: Concepción, Chile, p. 654-689.
4. Clark, A. H., Farrar, E., Camus, F., and Quirt, G. S., 1983, K-Ar data for El Teniente porphyry copper deposit, Central Chile: Economic Geology, v. 78, p. 1003-1006.
5. Creaser, R. A., Papanastassiou, D. A., and Wasserburg, G. J., 1991, Negative thermal ion mass spectrometry of Os, Re, and Ir: Geochimica et Cosmochimica Acta, v. 55, p. 397-401.
6. Cuadra, P., 1986, Geocronologia K-Ar del yacimiento El Teniente y areas adyacentes: Revista Geologica de Chile, v. 27 , p. 3-26.
7. Davidson, J., and Mpodozis, D., 1991, Regional geologic setting of epithermal gold deposits, Chile: Economic Geology, v. 86, p. 1174-1186.
8. Herr, W., and Merz, E., 1955, Eine neue Methode zur Alterbestimmung von Rhenium-haltigen Mineralien mittels Neutronenaktivierung: Zeitschrif für Naturforschung, v. 10a, p. 613-615.
9. Herr, W., Wölfle, R., Eberhardt, P., and Kopp, E., 1967, Development and recent applications of the Re/Os dating method: Vienna International Atomic Energy Agency Radioactive Dating Proceedings Series, p. 499-508.
10. Llaumett, C., 1975, Faja Pacifica de cobre porfiricos y desarollos de alteracion hidrotermal en Chile: Congreso Ibero-Americano de Geologia Economica, 2nd, Actas, Buenos Aires, v. 2, p. 331-348.
11. 187Os chronometer: Earth and Planetary Science Letters, v. 61, p. 291-296.
12. Luck, J-M., and Allègre , C. J., 1991, Osmium isotopes in ophiolites: Earth and Planetary Science Letters, v. 107, p. 406-415.
13. Martin, C. E., Wasserburg, G. J., Papanastassiou, D. A., and Peach, C. L., 1993, Os isotopic composition of sulfide globules from MORB: Eos (Transactions, American Geophysical Union), v. 74, p. 121.
14. McCandless, T. E., and Ruiz, J., 1993, Rhenium-osmium evidence for regionally-timed mineralization events in southwestern North America: Science, v. 261, p. 1282-1286.
15. McCandless, T. E., Ruiz, J., and Campbell, A. R., 1993, Re behavior in molybdenite from hypogene and near-surface environments: Implications for Re-Os geochronometry: Geochimica et Cosmochimica Acta, v. 57, p. 889-905.
16. Morgan, J. W., and Walker, R. J., 1989, Isotopic determinations of rhenium and osmium in meteorites by using fusion, distillation, and ion-exchange separations: Analytica Chimica Acta, v. 222, p. 291-300.
17. Morgan, J. W., Lovering, J. F., and Ford R. J., 1968, Rhenium and non-radiogenic osmium in Australian molybdenites and other sulphide minerals by neutron activation analysis: Geological Society of Australia Journal, v. 15, p. 189-194.
18. 186Os ratios in IIAB and IIIAB iron meteorites: Lunar and Planetary Science, v. 22, p. 919-920.
19. 86Sr de la "Faja Pacifica" de "Desarrollos hidrotermales": Congreso Geologico Chileno, 4th, Antofagasta, Chile, Actas, v. 4, p. 24
20. Nakai, S., Halliday, A. N., Kesler, and S. E., Jones, H. H., 1990, Rb-Sr dating of sphalerites from Tennessee and the genesis of Mississippi Valley type ore deposits: Nature, v. 346, p. 354-357.
21. Reyes, M., 1991, The Andacollo strata-bound gold deposit, Chile, and its position in a porphyry copper-gold system: Economic Geology, v. 86, p. 1301-1316.
22. Ruiz, J., Freydier, C., McCandless, T., Chesley, J., and Munizaga, F., 1997, Re-Os isotope systematics of sulfides from base metal porphyry copper and manto-type mineralization in Chile: International Geology Reviews (in press).
23. Schindler, J. N., 1975, Rhenium and osmium in some Canadian ores by neutron activation analysis [Ph.D thesis]: Hamilton, Ontario, Canada, McMaster University, 252 p.
24. Shen, J. J., Papanastassiou, D. A., and Wasserburg, G. J., 1996, Precise Re-Os determinations and systematics of iron meteorites: Geochimica et Cosmochimica Acta, v. 60, p. 2887-2900.
25. Shirey, S. B., and Walker, R. J., 1995, Carius tube digestion for low-blank rhenium-osmium analysis: Analytical Chemistry, v. 67, p. 2136-2141.
26. Sillitoe, R. H., 1991, Gold metallogeny of Chile - An introduction: Economic Geology, v. 86, p. 1187-1205.
27. Volkening, J., Walczyk , T., and Heumann, K. G., 1991, Osmium isotope ratio measurements by negative thermal ionization mass spectrometry (NTIMS): Improvement in precision and enhancement in emission by introducing oxygen or freons into the ion source: Fresenius' Zeitschrif für Analytische Chemie, v. 341, p. 537-541.
28. Walker, R. J., 1988, Low-blank chemical separation of rhenium and osmium from gram quantities of silicate rock tor measurement by resonance ionization mass spectrometry: Analytical Chemistry, v. 60, p. 1231-1234.
29. Walker, R. J., Carlson, R. W., Shirey, S. B., and Boyd, F. R., 1989a, Os, Sr, Nd, and Pb isotope systematics of southern African peridotite xenoliths: Implications for the chemical evolution of subcontinental mantle: Geochimica et Cosmochimica Acta, v. 53, p. 1583-1595.
30. Walker, R. J., Shirey, S. B., Hanson, G. N., Ragamani, V., and Horan, M. F., 1989b, Re-Os, Rb-Sr, and O isotopic systematics of the Archean Kolar schist belt, Karnataka, India: Geochimica et Cosmochimica Acta, v. 53, p. 3005-3013.
31. 188Os method of dating: An introduction: Geochimica et Cosmochimica Acta, v. 57, p. 4119-4128.