The Pali Aike Volcanic Field, Patagonia: Slab-window magmatism near the tip of South America

Tectonophysics

Volumn 321, Issue 4, 2000, Pages 407-427

  D'Orazio, Massimo ^a   Agostini, Samuele ^a   Mazzarini, Francesco ^b   Innocenti, Fabrizio ^a   Manetti, Piero ^c   Haller, Miguel J ^d   Lahsen, Alfredo ^e  

^a UNIVERSITY OF PISA   (Italy)

^b CNR   (Italy)

^c UNIVERSITY OF FLORENCE   (Italy)

^d UNIVERSIDAD NACIONAL DE LA PATAGONIA SAN JUAN BOSCO   (Argentina)

^e DEPARTAMENTO DE FÍSICA   (Chile)

Author keywords

Geodynamics; Mafic magmas; Neogene; Patagonia; Petrology; Slab window

Indexed keywords

ASTHENOSPHERE; BACKARC BASIN; GEODYNAMICS; LAVA; MAGMATISM; PLATE TECTONICS; SLAB; VOLCANIC ROCK;

SOUTH AMERICA;

EID: 0033865377     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-1951(00)00082-2     Document Type: Article

References (67)

1. How deep do common basaltic magmas form and differentiate
2. Unusually large Nb-Ta depletions in North Chile Ridge basalts at 36°50' to 38°56'S, major element, trace element and isotopic data
3. The opening of drake passage
4. Progress in geodynamics of the Scotia Arc region
5. Tectonic development of the Scotia Arc region
6. Empirical correction factors for the electron microanalyses of silicates and oxides
7. Implications of chemical and isotopic composition for petrogenesis of Chilcotim Group Basalts, British Columbia
8. Late Cenozoic tectonics of the Southern Chile Trench
9. The glaciation of the Andes
10. Neotectonica del rift Jurasico austral en Pali Aike, Patagonia Extrandina, Santa Cruz, Argentina
11. Quimismo de las volcanitas de Pali Aike, Patagonia Austral
12. Dataciones radimetricas en Pali Aike, Patagonia Austral
13. Strike-slip faults in the southernmost Andes and the development of the Patagonian Orocline
14. Southernmost South America-Antarctic Peninsula relative plate motions since 84 Ma: Implications for the tectonic evolution of the Scotia Arc region
15. Back-arc extension in the southern Andes: A review and critical reappraisal
16. Geometry of subducted slabs related to the San Andreas transform
17. Magellan Strait: Part of a Neogene rift system
18. Pliocene near-trench magmatism in southern Chile: A possible manifestation of ridge collision
19. Cenozoic continental geology of South America and its relations to the evolution of the Chile Triple Junction
20. Revisione di una metodologia analitica per fluorescenza-X, basata sulla correzione degli effetti di matrice
21. Thermal modeling of the geometry of subduction with implications for the tectonics of the overriding plate
22. Sr and Nd isotopic and trace element composition of Quaternary volcanic centers of southern Andes
23. Fe-Ti oxide geothermometry. Thermodynamic formulation and the estimation of intensive variables in silicic magmas
24. Neogene Patagonian plateau lavas: Continental magmas associated with ridge collision at the Chile Triple Junction
25. Current plate velocities relative to the hot spots incorporating the NUVEL-1 global plate motion model
26. Partial melting of dry peridotites at high pressures: Determination of compositions of melts segregated from peridotite using aggregates of diamond
27. The relationship between alkalic volcanism and slab window formation
28. The relationship between alkaline magmatism, lithospheric extension and slab window formation along continental destructive plate margins
29. A guide to the chemical classification of the common volcanic rocks
30. Triple junction magmatism: A geochemical study of Neogene volcanic rocks in western California
31. Cocos-Nazca slab window beneath Central America
32. Spinel ± garnet lherzolite xenoliths from Pali Aike, part 1
33. Spinel ± garnet lherzolite xenoliths from Pali Aike, Part 2
34. Ocean-ridge basalts with convergent-margin geochemical affinities from the Chile Ridge
35. The Magallanes and Deseado fault zones, major segments of South American-Scotia transform plate boundary in southernmost South America, Tierra del Fuego
36. Contrasting styles of superposed deformation in the southernmost Andes
37. Olivine/liquid distribution coefficients and a test for crystal-liquid equilibrium
38. X-ray fluorescence analysis of 29 trace elements in rock and mineral standards
39. Catalogo de edades radimetricas de la Republica Argentina 1957-1987
40. Partial melt distributions from inversion of rare earth element concentrations
41. Glacial history of southernmost South America
42. The basalt clan
43. Melting in the lithospheric mantle: Inverse modelling of alkali-olivine basalts from the Big Pine Volcanic Field, California
44. Partial melt distributions from inversion of rare earth element concentrations
45. Seismotectonics and relative plate motion in the Scotia Sea region
46. Foothills structure in Northern Magallanes Basin, Argentina
47. Southern Patagonian plateau basalts and deformation: Backarc testimony of ridge collisions
48. Olivine-liquid equilibrium
49. Geochemistry of Cenozoic volcanic rocks, Baja California, Mexico: Implications for the petrogenesis of post-subduction magmas
50. Ti-V plots and the petrogenesis of modern and ophiolitic lavas
51. 39Ar dating of Patagonia lavas
52. Petrology and geochemistry of alkali basalts and ultramafic inclusions from the Palei-Aike volcanic field in southern Chile and the origin of the Patagonian plateau lavas
53. Ultramafic xenoliths from the Pali-Aike basalts: Implications for the nature and evolution of the subcontinental lithosphere below southern South America
54. Garnet peridotite xenoliths from the Pali Aike basalts of southernmost South America
55. Trace-element and Sr, Nd, Pb and O isotopic composition of Pliocene and Quaternary alkali basalt of the Patagonian Plateau lavas of southernmost South America
56. Role of the subducted slab, mantle wedge and continental crust in the generation of adakites from the Andean Austral Volcanic Zone
57. Evidence from mantle xenoliths for relatively thin (<100 km) continental lithosphere below the Phanerozoic crust of southernmost South America
58. Chemical and isotopic systematics of oceanic basalts, implications for mantle composition and processes
59. Strike-slip faults
60. Subducing of diverging plates and the principles of slab window formation
61. Formation and evolution of marginal basins and continental plateaus
62. Petroleum basins of southern South America, an overview
63. Melt production rates in mantle plumes
64. The structural evolution of the Magallanes Basin and neotectonics in the southernmost Andes