Iron skarns of the Vegas Peladas District, Mendoza, Argentina

Economic Geology

Volumn 104, Issue 2, 2009, Pages 157-184

  Pons, Josefina M ^a   Franchini, Marta ^a   Meinert, Lawrence ^b   Recio, Clemente ^c   Etcheverry, Rlcardo ^d  

^a UNIVERSIDAD NACIONAL DEL COMAHUE   (Argentina)

^b SMITH COLLEGE   (United States)

^c UNIVERSITY OF SALAMANCA   (Spain)

^d UNIVERSIDAD NACIONAL DE LA PLATA   (Argentina)

Author keywords

[No Author keywords available]

Indexed keywords

ALKALI FELDSPAR; ARGENTINA; CLINOPYROXENE; FLUID INCLUSION; FLUID TEMPERATURES; GRANITE INTRUSIONS; HIGH TEMPERATURE; HYDROSTATIC CONDITIONS; IRON OXIDE COPPER GOLDS; LITHOSTATIC PRESSURE; MAGMATIC FLUIDS; METEORIC WATERS; MINERAL ASSEMBLAGE; OREBODIES; OXYGEN FUGACITY; PLUTONIC ROCKS; ROCK TEMPERATURES; STABLE ISOTOPES; SUB-ARC MANTLE;

ANALYTICAL GEOCHEMISTRY; CALCITE; CARBONATE MINERALS; COPPER DEPOSITS; COPPER OXIDES; CRYSTALLOGRAPHY; DEPOSITS; EUROPIUM; FELDSPAR; FLUIDS; GARNETS; GOLD DEPOSITS; GRANITE; IRON DEPOSITS; IRON OXIDES; LITHOLOGY; MAGNETITE; MINERALOGY; MINERALS; MINING; ORES; OXIDE MINERALS; OXYGEN; PYRITES; QUARTZ; SALINITY MEASUREMENT; SILVER; SODIUM ALLOYS; SODIUM CHLORIDE; STRUCTURAL GEOLOGY; TRACE ELEMENTS;

SILICATE MINERALS;

DIORITE; GARNET; GRANITE; IMMISCIBILITY; IRON; PLUTONIC ROCK; SKARN; TEMPERATURE;

ANDES; ARGENTINA; MENDOZA; SOUTH AMERICA;

EID: 67649655816     PISSN: 03610128     EISSN: None     Source Type: Journal    
DOI: 10.2113/gsecongeo.104.2.157     Document Type: Article

References (41)

1. Angelelli, V, 1942, El yacimiento de calcopirita del cerro La Virgen. Los depositos de magnetita y hematina de Vegas Peladas y los de Baritina y mineral manganesifero del arroyo Las Minas. Distrito de Malargiie, Departamento de San Rafael: Buenos Aires, Dirección de Minas y Geologia, File (carpeta) 101, 17 p. (4 sheets).
2. Arrospide, A., 1972, Dep6sitos de minerales de hierro de Vegas Peladas Mina "Nenche", dpto. de Malargiie, Mendoza, Republica Argentina: Revista de la Asociacion Argentina de Mineralogfa, Petrologia y Sedimentologia, v. 3, p. 117-131.
3. Baldauf, P.G., Stephens, G.M., Kunk, M" and Nullo, F, 1992, Argon-Argon ages for the Huincan intrusive suite and their implications for the structural development of the Andean foreland, Southern Mendoza province, Argentina [abs.]: Geological Society of America, Abstract with Programs 24, A188.
4. Bellieni, G., Visentin E.J., and Zanettin B., 1996, Use of chemical TAS diagram (total alkali silica) for classification of plutonic rocks: Problems and suggestions: I.U.G.S.: Subcommission on the Systematics of Igneous Rocks Contribution no. 157, 35 p.
5. Bodnar, R.J., 1995, Fluid inclusion evidence for a magmatic source for metals in porphyry copper deposits: Mineralogical Association of Canada Short Course Series, v. 23, p. 139-152.
6. 20-NaCl at 1000°C y 1500 bars: Geochimica et Cosmochimica Acta, v. 49, p. 1861-1873.
7. Borisenko, A.S., 1977, Study of the salt composition of solutions in gas-liquid inclusions in minerals by the cryometric method: Soviet Geology and Geophysics, v. 18, p. 11-19.
8. Borrello, A.V., 1969, Los geosinclinales de la Argentina: Mendoza, Direcci6n Nacional de Geologia y Mineria, Anales XIV, Buenos Aires, p. 1-188.
9. Bottinga, Y., 1969, Calculated fractionation factors for carbon and hydrogen isotope exchange in the system calcite-carbon dioxide-graphite-methane- hydrogen-water vapor: Geochimica et Cosmochimica Acta, v. 33, p. 49-64.
10. Bouza, P., 1991, Descripci6n geol6gica y caracterización petrográfica de las vulcanitas cenozoicas aflorantes entre los arroyos Montañes y El Yeso, Cordillera Principal, Mendoza: Unpublished bachelor's dissertation, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 112 p.
11. Bowman, J.R., 1998, Stable-Isotope systematics of skarns: Quebec, Canada, Mineralogical Association of Canada Short Course Series, v. 26, p.99-145.
12. Boynton, N.V., 1989, Cosmochemistry of the rare earth elements: Condensation and evaporation processes: Reviews in Mineralogy, v. 21, 24 p.
13. Burnham, C.W., 1979, Magmas and hydrothermal fluids, in Barnes, H., ed., Geochemistry of hydrothermal ore deposits: N.Y., Wiley and Sons, p. 71-136.
14. Chacko, T., Riciputi L.R., Cole, D.R., and Horita, I., 1999, A new technique for determining equilibrium hydrogen isotope fractionation factors using the ion microprobe: Application to the epidote-water system: Geochimica et Cosmochimica Acta, v. 63, p. 1-10.
15. Chappell, B.W., and White, A. J.R., 1992, I- and S-type granites in the Lachland fold belt: Transactions of the Royal Society of Edinburgh, v. 83, p. 1-26.
16. Crawford, M.L., 1981, Phase equilibria in aqueous fluid inclusions: Mineralogical Association of Canada Short Course Series Handbook, v. 6, p. 75-100.
17. Cline, J.S., and Bodnar, R.J., 1991, Can economic porphyry copper mineralization be generated by a typical cal-alkaline melt?: Journal of Geophysical Research, v. 96, p. 8113-8126.
18. -1994, Direct evolution of brine from crystallizing silicic melt at the
19. Questa, New Mexico, molybdenum deposit: ECONOMIC GEOLOGY, v. 89, p. 1780-1802.
20. Cole, D.R., Horita, J., Eniamin, V, Polyakov, V.B., Valley, J.W., Spicuzza, M.J., and Coffey, D.W., 2004, An experimental and theoretical determination of oxygen isotope fractionation in the system magnetite-H20 from 300 to 800°C: Geochimica et Cosmochimica Acta, v. 68, p. 3569-3585.
21. Davidson, J.P., Fergusson, K.M., Colucci, M.T., and Dungan, M.A., 1988, The origin and evolution of magmas from the San Pedro-Pellado volcanic complex, S. Chile: Multicomponent sources and open system evolution: Contributions to Mineralogy and Petrology, 100, p. 429-445.
22. Dessanti, R.N., 1978, Descripci6n de la Hoja 28b, Malargiie, Pcia. de Mendoza: Boletin Servicio Geol6gico Nacional (Argentina), Buenos Aires, 149, p. 1-50 ( and 1 map with 2 cross sections).
23. 3* in ferromagnesian silicates and oxides from microprobe analysis, using stoichiometric criteria: Mineral Magazine v. 51, p. 431-437.
24. Einaudi, M., Meinert L., and Newberry, R., 1981, Skarn deposits: ECONOMIC GEOLOGY 75™ ANNIVERSARY VOLUME, p. 317-391.
25. Espinoza, S., V6liz, H., Esquivel, ]., Arias, J., and Moraga, A., 1996, The cupriferous province of the Coastal Range, northern Chile: Society of Economic Geologists Special Publication Number 5, p. 19-32.
26. Ettlinger, A.D., 1990, A geological analysis of gold skarns and precious metal enriched iron and copper skarns in British Columbia, Canada: Unpublished Ph.D. thesis, Washington State University, 249 p.
27. Foster, D.B., Seccombe, P.K., and Philips, D., 2004, Controls on skarn mineralization and alteration at the Cadia deposits, New South Wales, Australia: ECONOMIC GEOLOGY, V. 99, p. 761-788.
28. Foumier, R.O., 1999, Hydrothermal processes related to movement of fluid from plastic into brittle rock in the magmatic-hydrothermal environment: ECONOMIC GEOLOGY, V. 94, p. 1193-1211.
29. Franchini, M.B., and Dawson, M., 1999, Manifestaciones metálicas asociadas a skarns del Suroeste de Mendoza y noroeste de Neuquén, in Zappettini, E., ed., Recursos Minerales de la República Argentina: Instituto de Geologia y Recursos Minerales SEGEMAR, Buenos Aires, Anales 35, p. 1535-1545.
30. Franchini, M.B., Meinert, L.D., and Montenegro, T.F., 2000, Skarn related to porphyry-style mineralization at Caicayen Hill, Neuquén, Argentina: Composition and evolution of hydrothermal fluids: ECONOMIC GEOLOGY, V. 95, p. 1197-1213.
31. Franchini, M.B., Lopez Escobar, L., Schalamuk, I.B.A., and Meinert, L., 2003, Magmatic characteristics of the Paleocene Cerro Nevaz6n region and other Late Cretaceous to Early Tertiary calc-alkaline subvolcanic to plutonic units in the Neuquén Andes, Argentina: Journal of South American Earth Sciences, v. 16, p. 399-421.
32. Franchini, M.B., de Barrio, R. E., Rios, F.J., Schalamuk, I.B., Lanfranchini, M., and Pons, M.J. 2005, Geologia, qufmica mineral y paragénesis del depdsito Hierro Indio, Mendoza, guias para la exploratión de skarns de Fe, inLlambias E., de Barrio R., Gonzalez P., Leal P. eds., XVI Congreso Geologico Argentino: Asociaci6n Geol6gica Argentina, Actas, v. 2, p. 303-310.
33. Franchini, M.B., de Barrio, R., Pons, M.J., Schalamuk, I.B.A., Rios, F.J, and Meinert, L., 2007, Fe skarns and IOCG-, and manto-type deposits in the Andes Cordillera of SW Mendoza (34-36°LS), Argentina: Exploration and Mining Geology, v. 16, p. 233-265.
34. Godfrey, J.D., 1962, The deuterium content of hydrous minerals from the east-central Sierra Nevada and Yosemite National Park: Geochimica et Cosmochimica Acta, v. 26, p. 1215-1245.
35. Graham, C.M., Sheppard, S.M.F., and Heaton, T.H.E., 1980, Experimental hydrogen isotope studies: Systematic of hydrogen isotope fractionation in the systems epidote-H20, zoisite-H20 and AlO (OH)-H20: Geochimica et Cosmochimica Acta v. 44, p. 353-364.
36. Gulisano, C.A., and Gutiérrez Pleimling, A.R., 1995, Field Guide: The Juras- sic of the Neuquén Basin, Mendoza Province: Asociacion Geológica Ar- gentina, serie E, no. 3, 103 p.
37. Hemley, J.J., and Hunt, J.P., 1992, Hydrothermal ore-forming processes in the light of studies in rock-buffered systems: II Some general geologic ap- plications: ECONOMIC GEOLOGY, V. 87, p. 23-43.
38. Hemley, J.J., Cygan, G.L, Fein, J.B., Robinson, G.R., and D'Angelo, W.M., 1992, Hydrothermal ore-forming processes in the light of studies in rock- buffered systems: iron-copper-zinc-lead sulfide solubility relations: ECO- NOMIC GEOLOGY, V. 87, p. 1-22.
39. Hildreth, W.E., and Moorbath, S., 1988, Crustal contribution to arc magma- tism in the Andes of Central Chile: Contributions to Mineralogy and Petrology, v. 98, p. 455-489.
40. Irvine, T., and Baragar, W., 1971, A guide to the chemical classification of the common volcanic rocks: Canadian Journal of Earth Sciences, v. 8, p. 523-548.
41. Kozlowski, E., Manceda, R., and Ramos, V, 1993, Estructura, in Ramos, V.A., ed., Geologia y Recursos Naturales de Mendoza: Relatorio del XII Con- greso Geol6gico Argentino y II Congreso Exploration de Hidrocarburos, 1 v. 18, p. 235-2.