Subduction controls on the compositions of lavas from the Ecuadorian Andes

Earth and Planetary Science Letters

Volumn 154, Issue 1-4, 1998, Pages 153-166

  Barragan, Roberto ^a,e   Geist, Dennis ^a   Hall, Minard ^b   Larson, Peter ^c   Kurz, Mark ^d  

^a UNIVERSITY OF IDAHO   (United States)

^b ESCUELA POLITÉCNICA NACIONAL   (Ecuador)

^c WASHINGTON STATE UNIVERSITY   (United States)

^d WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

^e Oryx Ecuador Energy Company   (Ecuador)

Author keywords

Andes; Andesites; Assimilation; Ecuador; Subduction

Indexed keywords

ANDESITE; SUBDUCTION;

ECUADOR;

EID: 0031873283     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/s0012-821x(97)00141-6     Document Type: Article

References (35)

1. W. Hildreth, S. Moorbath, Crustal contributions to arc magmatism in the Andes of central Chile, Contrib. Mineral. Petrol. 98 (1988) 455-489.
2. J.P. Davidson, N.J. McMillan, S. Moorbath, G. Worner, R.S. Harmon, L. Lopez-Escobar, The Nevados de Payachata volcanic region (18°S/69°W, N. Chile), II. Evidence for widespread crustal involvement in Andean magmatism, Contrib. Mineral. Petrol. 105 (1990) 412-432.
3. D.R. Tormey, F.A. Frey, L. Lopez-Escobar, Geochemistry of the active Azufre-Planchon-Peteroa volcanic complex, Chile (35° 15′S): evidence for multiple sources and processes in a Cordilleran arc magmatic system, J. Petrol. 36 (1995) 265-298.
4. R.L. Hickey, F.A. Frey, D.C. Gerlach, L. Lopez-Escobar, Multiple sources for basaltic arc rocks from the southern volcanic zone of the Andes (34°-41°S): trace element and isotopic evidence for contributions from subducted oceanic crust, mantle and continental crust, J. Geophys. Res. 91 (1986) 5963-5983.
5. R. Hickey-Vargas, H.M. Roa, L.L. Escobar, F.A. Frey, Geochemical variations in Andean basaltic and silicic lavas from the Villarrica-Lanin volcanic chain (39.5°S): an evaluation of source heterogeneity, fractional crystallization and crustal assimilation, Contrib. Mineral. Petrol. 103 (1989) 361-386.
6. T. Feininger, Allochthonous terranes in the Andes of Ecuador and northwestern Peru, Can. J. Earth Sci. 24 (1987) 266-278.
7. H.R. Balkwill, G. Rodrigue, F.I. Paredes, J.P. Almeida. Northern part of Oriente basin, Ecuador: reflection seismic expression of structures, in: A.J. Tankard, R. Suarez, H.J. Welsink (Eds.), Petroleum Basins of South America, Am. Assoc. Pet. Geol. Mem. 62 (1995) 559-571.
8. J.A. Aspden, M. Litherland, The geology and Mesozoic collisional history of the Cordillera Real, Ecuador, Tectonphysics 205 (1992) 187-204.
9. 16O ratios in ash-flow tuffs and lavas erupted from the central Nevada caldera complex and the central San Juan caldera complex, Colorado, Contrib. Mineral. Petrol. 92 (1986) 146-156.
10. M.D. Kurz, T.C. Kenna, D.P. Kammer, J.M. Rhodes, M.O. Garcia, Isotopic evolution of Mauna Loa volcano: a view from the submarine southwest rift zone, in: J.M. Rhodes, J.P. Lockwood (Eds.), Mauna Loa Revealed, Geophys. Monogr. 92 (1995) 289-306.
11. M. Barazangi, B. Isacks, Spatial distribution of earthquakes and subduction of the Nazca plate beneath South America, Geology 4 (1976) 686-692.
12. M.L. Hall, C.A. Wood, Volcano-tectonic segmentation of the northern Andes, Geology 13 (1985) 203-207.
13. P.J. Gossens, W.I. Rose, Chemical composition and age determination of tholeiitic rocks in the Basic igneous complex, Ecuador, Geol. Soc. Am. Bull. 84 (1973) 1043-1052.
14. T. Feininger, M.K. Seguin, Simple Bouguer gravity anomaly field and the inferred crustal structure of continental Ecuador, Geology 11 (1983) 40-44.
15. R. Maruri, Estudio vulcanologico del complejo volcanico Ninahuilca, Thesis, Escuela Politecnica Nacional, Quito, 1993, 140 pp. (unpublished).
16. A. Peccerillo, S.R. Taylor, Geochemistry of Eocenc calc-alkaline volcanic rocks from the Kastamonu area, northern Turkey, Contrib. Mineral. Petrol. 58 (1976) 63-81.
17. T. Wolf, Geografia y Geologia del Ecuador. Brockhaus, Leipzig, 1892.
18. R.J. Colony, J.H. Sinclair, The lavas of the volcano Sumaco, eastern Ecuador, Am. J. Sci. 216 (1928) 299-312.
19. T. Simkin, L. Siebert, Volcanoes of the World, 2nd ed., Geoscience Press, Tucson, AZ, 1994, 349 pp.
20. W.M. White, P.J. Patchet, Hf-Nd-Sr isotopes and incompatible element abundances in island arcs: implications for magma origins and crust-mantle evolution, Earth Planet. Sci. Lett. 67 (1984) 167-185.
21. R.S. Harmon, J. Hoefs, Oxygen isotope heterogeneity of the mantle deduced from global O systematics of basalts from different geotectonic settings, Contrib. Mineral. Petrol. 120 (1995) 95-114.
22. D.E. James, L.A. Murcia, Crustal contamination in northern Andean volcanics, J. Geol. Soc. London 141 (1984) 823-830.
23. D. Geist, T. Naumann, P. Larson, Evolution of Galapagos magmas: mantle and crustal fractionation without assimilation, J. Petrol. (1997, submitted).
24. S.M. Kay, C.E. Gordillo, Pocho volcanic rocks and the melting of depleted continental lithosphere above a shallowly dipping subduction zone in the central Andes, Contrib. Mineral. Petrol. 117 (1994) 25-44.
25. S.M. Kay, B. Coira, B. Viramonte, Young mafic back arc volcanic rocks as indicators of continental lithospheric delamination beneath the Argentina Puna plateau, central Andes, J. Geophys. Res. 99 (1994) 24323-24339.
26. J.P. Davidson, S.L. de Silva, Late Cenozoic magmatism of the Bolivian altiplano, Contrib. Mineral. Petrol. 119 (1995) 387-408.
27. S.R. Taylor, S.M. McLennan, The Continental Crust: Its Composition and Evolution, Blackwell, Oxford, 1985, 312 pp.
28. M.R. Perfit, D.A. Gust, A.R. Bence, R.J. Arculus, S.R. Taylor, Chemical characteristics of island arc basalts: implications for mantle sources, Chem. Geol. 30 (1980) 227-256.
29. A.W. Hofmann, Chemical differentiation of the Earth: the relationship between mantle, continental crust and oceanic crust, Earth Planet. Sci. Lett. 90 (1988) 297-314.
30. E. Stolper, S. Newman, The role of water in the petrogenesis of Mariana trough magmas, Earth Planet. Sci. Lett. 121 (1994) 293-325.
31. Y. Tatsumi, D.L. Hamilton, R.W. Nesbitt, Chemical characteristics of fluid phase released from a subducted lithosphere and origin of arc magmas: evidence from high-pressure experiments and natural rocks, J. Volcanol. Geotherm. Res. 29 (1986) 293-309.
32. J.G. Ryan, J. Morris, F. Tera, W.P. Leeman, A. Tsvetkov, Cross-arc geochemical variations in the Kurile arc as a function of slab depth, Science 270 (1995) 625-627.
33. T. Plank, W.M. White, Nb and Ta in arc and mid-ocean ridge basalts, Eos (Trans. Am. Geophys. Union) 76 (1995) F655.
34. A.J. Stolz, K.P. Jochum, B. Spettel, A.W. Hofmann, Fluid-and melt-related enrichment in the subarc mantle: evidence from Nb/Ta variations in island-arc basalts, Geology 24 (1996) 587-590.
35. M.J. Carr, M.D. Feigenson, E.A. Bennett, Incompatible element and isotopic evidence for tectonic control of source mixing and melt extraction along the Central American arc, Contrib. Mineral. Petrol. 105 (1990) 369-380.