Mamil choique granitoids, southwestern North Patagonian Massif, Argentina: Magmatism and metamorphism associated with a polyphasic evolution

Journal of South American Earth Sciences

Volumn 11, Issue 5, 1998, Pages 499-515

  Cerredo, M E ^a   Lopez De Luchi M G ^a  

^a Centro de Investigaciones en Recursos Geologicos   (Argentina)

Author keywords

[No Author keywords available]

Indexed keywords

GRANITOID; MAGMATISM; METAMORPHISM;

ARGENTINA;

EID: 0344527990     PISSN: 08959811     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0895-9811(98)00025-X     Document Type: Article

References (25)

1. Cerredo, M.E. and López de Luchi, M.G. (1995) The metamorphic evolution of the Cushamen Formation, Río Chico, Río Negro Province, Argentina. In 6° Simpósio Sul-Brasileiro de Geologia, 1° Encuentro de Geología del Cono Sur, Boletim de Resumos Expandidos, eds da Silva, L.C. and Kirchner, C.A., pp. 171-174. Porto Alegre, Brazil.
2. Cerredo, M.E. (1997) The metamorphism of Cushamen Formation, Río Chico area. North Patagonian Massif, Argentina. Actas, VIII Congreso Geológico Chileno, Antofagasta II, 1236-1240.
3. Cerredo, M.E. and López de Luchi, M.G. (1997) Tunnel Tonalites in Río Chico, North Patagonian Massif, Argentina. An intermediate facies of Mamil Choique Granitoids? Actas, VIII Congreso Geológico Chileno, Antofagasta II, 1246-1249.
4. Dalla Salda, L.H. (1989) La estructura del basamento cristalino del occidente del Macizo Nordpatagónico, Argentina. Revista Communicaciones 40, 29-38.
5. Dalla Salda, L.H., Cingolani, C. and Varela, R. (1992a) Early Paleozoic orogenic belt of the Andes in Southwestern South America: Result of Laurentia-Gondwana collision? Geology 20, 617-620.
6. Dalla Salda, L.H., Dalziel, I.W., Cingolani, C. and Varela, R. (1992b) Did the Appalachians continue into South America? Geology 20, 1059-1062.
7. Dalla Salda, L., Varela, R., Cingolani, C. and Aragón, E. (1994) The Río Chico Palaezoic Crystalline Complex and the evolution of Northern Patagonia. Journal of South American Earth Sciences 7(34), 377-386.
8. Hanner, S.K. (1982) Microstructure and geochemistry of plagioclase and microcline in naturally deformed granite. Journal of Structural Geology 4, 197-214.
9. O2 and Fe content. Contributions to Mineralogy and Petrology 37, 307-340.
10. Linares, E., Haller, M.J., Ostera, H.A., Cagnoni, M.C. and Galante, G. (1997) Radiometric ages of the crystalline basement of the Río Chico region, Ñorquinco department, Río Negro Province, Argentina. In Extended Abstracts, South American Symposium on Isotope Geology, Sao Paulo, 170-173.
11. 12(OH). Journal of Petrology 14, 381-413.
12. López de Luchi, M.G. and Cerredo, M.E. (1996) Metamorphism, deformation and related magmatism in the Río Chico area. Actas, 13° Congreso Geológico Argentino y 3° Congreso de Exploración de Hidrocarburos, Buenos Aires V, 533.
13. López de Luchi, M. and Cerredo, M.E. (1997a) Mamil Choique Granitoids in Sierra de Mamil Choique, SW North Patagonian Massif. In 2nd International Symposium of Granites and Associated Mineralization, Extended Abstracts and Program, eds Ferriera, V.P. and Sial, A.N., pp. 125-126. Salvador, Brazil.
14. López de Luchi, M.G. and Cerredo, M.E. (1997b) Paleozoic basement of the southwestern corner of the North Patagonian Massif: an overview. Actas, VIII Congreso Geológico Chileno, Antofagasta III, 1674-1678.
15. López de Luchi, M.G., Cerredo, M.E. and Rapalini, A. (1997) Combined structural and ASM study in Mamil Choique Granitoids, North Patagonian Massif, Argentina. International Workshop on classical and modern techniques in granite studies, Huelva, Spain, in press.
16. López de Luchi, M.G. and Rapalini, A. (1997) Jurassic dyke swarms in the Sierra de Mamil Choique, North Patagonian Massif, Lithology, Age and Paleomagnetism. Actas, VIII Congreso Geológico Chileno, Antofagasta III, 1679-1683.
17. Maniar, P.D. and Piccoli, P.M. (1989) Tectonic discrimination of granitoids. Geological Society of America Bulletin 101, 635-643.
18. Paterson, S.R., Fowler, R.K. and Miller, R.B. (1996) Pluton emplacement in arcs: a crustal-exchange process. Transactions of the Royal Society of Edinburgh: Earth Sciences 87, 115-123.
19. Pearce, J. (1996) Sources and settings of granite rocks. Episodes 19(4), 120-125.
20. Rapela, C.W., Pankhurst, R.J. and Harrison, S.M. (1992) Triassic "Gondwana" granites of the Gastre district, North Patagonian Massif. Transactions of the Royal Society of Edinburgh: Earth Sciences 83, 291-304.
21. Ravazzoli, I. and Sesana, F.L. (1977) Descripción geológica de la Hoja 41c, Río Chico, provincia de Río Negro. In Servicio Geológico Nacional, Buenos Aires, Argentina, 80 p. Boletín 148.
22. Schmidt, M.W. and Thompson, A.B. (1996) Epidote in calc-alkaline magmas: An experimental study of stability, phase relationships, and the role of epidote in magmatic evolution. American Mineralogist 81, 462-474.
23. Thompson, A.B. and Ridley, J.R. (1987) Pressure-Temperature (P-T-t) histories of orogenic belts. Philosophical Transactions of the Royal Society, London A321, 27-45.
24. Tullis, J.A. (1983) Deformation of feldspars. In Feldspar Mineralogy, ed. Ribbe, P.H., 2, 297-323. Mineralogical Society of America, Short Course Notes.
25. Wickham, S.M. (1990) Isotopic modification of the continental crust. Implications for the use of isotopic tracers in granite petrogenesis. In High-temperature and crustal anatexis, eds Ashworth, J.R. and Brown, M., pp. 124-148. Unwin Hyman, London.