Geochemistry and isotope systematics of small- to medium-volume Neogene-Quaternary ignimbrites in the southern central Andes: Evidence for derivation from andesitic magma sources

Chemical Geology

Volumn 171, Issue 3-4, 2001, Pages 213-237

  Siebel, Wolfgang ^a,d   Schnurr, Wolfgang B W ^b   Hahne, Knut ^a   Kraemer, Bernhard ^b   Trumbull, Robert B ^a   Van Den Bogaard, Paul ^c   Emmermann, Rolf ^a  

^a GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

^b FREIE UNIVERSITÄT BERLIN   (Germany)

^c GEOMAR HELMHOLTZ CENTRE FOR OCEAN RESEARCH KIEL   (Germany)

^d UNIVERSITY OF TÜBINGEN   (Germany)

Author keywords

Andes; Arc magmatism; Central volcanic zone; Geochemistry; Ignimbrites; Isotope systematics

Indexed keywords

ANDESITE; CALC ALKALINE ROCK; IGNIMBRITE; MAGMA CHEMISTRY; PETROGENESIS;

CHILE;

EID: 0035101240     PISSN: 00092541     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2541(00)00249-7     Document Type: Article

References (69)

1. Pb isotopes define basement domains of the Altiplano, central Andes
2. The evolution of the Altiplano-Puna plateau of the central Andes
3. Spatial distribution of earthquakes and subduction of the Nazca plate beneath South America
4. Seismicity and shape of the subducted Nazca plate
5. Vulcanismo Cenozoico en el ámbito de Puna Catamarqueña (25°30′ y 25°50' de latitud sur y 68° y 68°30' de longitud oeste)
6. Tectonic and magmatic evolution of the Andes of northern Argentina and Chile
7. Upper cenozoic magmatic evolution of the Argentine Puna - A model for changing subduction geometry
8. Pre-mesozoic evolution of the central Andes: The basement revisited
9. Some isotopic and geochemical constraints on the origin and evolution of the central Andean basement (19°-24°S)
10. The source of central Andean magmas: Some considerations
11. The Altiplano-Puna volcanic complex of the central Andes
12. Geochronology and stratigraphy of the ignimbrites from the 21°30'S to 23°30'S portion of the central Andes of northern Chile
13. Styles of zoning in central Andean ignimbrites: Insight into magma chamber processes
14. Sources of two large ignimbrites in the central Andes: Some Landsat evidence
15. Late Cenozoic rates of magmatic activity in the central Andes and their relationships to continental crust formation and thickening
16. The Cerro Galán caldera, northwest Argentina and its tectonic setting
17. Strontium isotope evidence for crustal contamination of calc-alkaline volcanic rocks from Cerro Galán, northwest Argentina
18. The Cerro Galán caldera
19. Petrology and geochemistry of volcanic rocks of the Cerro Galán caldera, northwest Argentina
20. La Pacana caldera and the Atana ignimbrite - A major ash-flow and resurgent caldera complex in the Andes of northern Chile
21. A highly effective emitter substance for mass spectrometric Pb isotope ratio determinations
22. Geología de la Puna austral entre los 25°15' a 26°30' de latitud sur y los 66°25' a 68°00' de longitud oeste, provincias de Catamarca y Salta, Argentina
23. Tectonic-volcanic discontinuity at latitude 27 south, Andean range, associated with Nazea plate subduction
24. Petrogenesis of Andean andesites from combined O-Sr isotope relationships
25. Regional O-, Sr-, and Pb-isotope relationships in late Cenozoic calc-alkaline lavas of the Andean Cordillera
26. Repeated crustal thickening and recycling during the Andean orogeny in North Chile (21-26°S)
27. Partial melting in the lower crust: New constraints on crustal contamination processes in the Central Andes
28. Uplift of the central Andean plateau and bending of the Bolivian orocline
29. Magma source variations for mid-late Tertiary magmatic rocks associated with a shallowing subduction zone and a thickening crust in the central Andes (28° to 33°S)
30. Tertiary magmatic evolution of the Maricunga mineral belt in Chile
31. Young mafic back arc volcanic rocks as indicators of continental lithospheric delamination beneath the Argentine Puna plateau, central Andes
32. Eine geochemische Traverse quer zum mittelmiozänen magmatischen Bogen im südlichen Bereich der Zentralen Vulkanischen Zone der Anden (ZVZ. 25°-26°30'S. 67°30'-69°W)
33. Geochemical constraints on crustal structure from Neogene volcanic rocks of the Salar de Antofalla volcanic field and adjacent Andean Cordillera
34. Incorporation of Paleogene foreland into the Neogene Puna plateau: The Salar de Antofalla area
35. Magmatic evolution of the La Pacana caldera system, central Andes Chile: Compositional variation and contrasting eruption triggers of two cogenetic, large-volume, felsic ignimbrites
36. Metamorphism, isotopic ages and composition of lower crustal xenoliths from the Cretaceous Salta rift
37. Volcanic rock series in island arcs and active continental margins
38. Determination of REE, Ba, Fe, Mg, Na and K in carbonaceous and ordinary chondrites
39. Hoja Salar de la Isla
40. Generation of a crust-mantle mixture: Magma sources and contamination at Cerro Panizos, central Andes
41. Relative motion of the Nazca (Farallon) and South American plates since Late Cretaceous time)
42. A geochemical traverse across the North Chilean Andes: Evidence for crust generation from mantle wedge
43. Using geochemical data: Evaluation, presentation, interpretation
44. Geochemical characteristics of basaltic volcanism within back-arc basins
45. Partial melting below the magmatic arc in the central Andes deduced from geoelectromagnetic field experiments and laboratory data
46. Seismic, gravity and petrological evidence for partial melt beneath the thickened central Andean crust (21-23°S)
47. Hoja 2967-II. Paso de San Francisco. 1:250:000
48. Hoja 2569-IV. Antofalla. 1:250.000
49. Ignimbrites of the Cerro Galán caldera
50. Approximation of terrestrial lead isotope evolution by a two-stage model
51. XLFRAC: A program for the interactive testing of magmatic differentiation models
52. Compositional gradients and gaps in high-silica rhyolites of the Rattlesnake tuff
53. Rare earth and strontium isotope evidence concerning the petrogenesis of north Chilean ignimbrites
54. The Amazon-Laurentian connection as viewed from the middle Proterozoic rocks in the central Andes
55. Evidence for Late Miocene to Recent contamination of arc andesites by crustal melts in the Chilean Andes (25-26°S), and its geodynamic implications
56. Spatial and temporal variations in volcanics of the Andean Central Volcanic Zone (26 to 28°S)
57. Lithospheric structure and along-strike segmentation of the central Andean plateau: Topography, tectonics, and timing
58. Variation in the crustal structure of the southern central Andes deduced from seismic refraction investigations
59. Zeitliche Variationen der Magmengenese miozäner bis quartärer Vulkanite im südlichen Bereich der Zentralen Vulkanischen Zone der Anden (25°-26°S. 67°-69°W)
60. Variation in time and space of magmagenesis of Neogene to recent volcanic rocks in the southern Central Volcanic Zone (CVZ) of the Andes (24°-26°S. 67°-69°W)
61. Andean Cenozoic volcanic centers reflect basement isotopic domains
62. Composition and thickness of the southern Altiplano crust
63. Plumbotectonics - The model
64. Determination of the REE and Y in silicate materials with ICP-AES