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Acharya HK _1965_ Seismicity of the Gal‡pagos Islands and vicinity

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Acharya HK _1965_ Seismicity of the Gal‡pagos Islands and vicinity Powered By Docstoc
					Acharya HK (1965) Seismicity of the Galápagos Islands and vicinity. Bull Seismol Soc
     Am 55: 609-617
Bailey, K (1976) Potassium-argon ages from the Galápagos Islands. Science 192: 465-467
Baitis HW, Lindstrom MM (1980) Geology, petrography and petrology of Pinzon
     Island, Galápagos Archipelago. Contrib Mineral Petrol 72: 367-386
Baitis HW, Swanson FJ (1984) Ocean rise-like basalts within the Galápagos Nature 259:
     195-197
Banfield AF, Behre CH, ST Clair D (1956) Geology of Isabela (Albemarie) Island,
     Archipelago de Colon (Galápagos). Geol Soc Am Bull 67: 215-234
Bow, CS (1979) The geology and petrogeneses of lavas of Floreana and Santa Cruz
     Islands: Galápagos Archipelago, Ecuador. Unpub. PhD thesis, University of
     Oregon.
Bow CS, Geist DJ (1992) The geology and petrology of Floreana Island, Galápagos
     Archipelago , Ecuador. J Volcanol Geotherm Res 52: 81-105
Case JE, Ryland SL, Simkin T, Howard KA (1973) Gravitational evidence for a low-
     density   mass beneath the Galápagos Islands. Science 181: 1040-1042
Chadwick WW, Howard KA (1991) The pattern of circumferential and radial eruptive
     fissures on the volcanoes of Fernandina and Isabela islands. Bull Volcanol 53: 259-
     275
Chadwick WW Jr, De Roy T, Carrasco A (1991) The September 1988 intracaldera
     avalanche and eruption at Fernandina volcano, Galápagos Islands. Bull Volcanol
     53: 276-286
Chadwick, WW and Dieterich, JH (1991) Mechanical modeling of circumferential and
     radial dike intrusion on Galapagos volcanoes. J Volcanol Geotherm Res 66, 37-52,
     1995.
Christie DM, Duncan RA, McBirney RA, Richards MA, White WM, Harpp KS, Fox CG
     (1992) Drowned islands downstream from the Galápagos hotspot imply extended
     speciation times. Nature 355: 246-248
Colony, WE and Nordlie, BE, (1973) Liquid sulfur at Volcan Azufre, Galapagos Islands,
     Econ Geol 68, 371-380.
Cox, A (1983) Ages of the Galapagos Islands, in Bowman, RI, Berson, M and Leviton,
     AE (eds) Patterns of evolution in Galapagos organisms. San Francisco Amer Assoc
     Advance Sci, Pac Div, 11-23.
Cox A, Dalrymple GB (1985) Paleomagnetism and potassium-argon ages of some
     volcanic rocks from the Galápagos Islands. Nature 209: 776-777
Cullen AB, Vicenzi E, McBirney AR (1989) Plagioclase-ultraphyric basalts of the
     Galápagos Archipelago. J Volcanol Geotherm Res 37: 325-337
Cullen AB, McBirney AR (1986) Volcanic geology and petrology of Isla Pinta,
     Galápagos Archipelago. Geol Soc Am Bull 98: 294-301
Cullen AB, McBirney AR, Rogers RD (1987) Structural controls on the morphology of
     Galápagos shields. J Volcanol Geotherm Res 34: 143-151
Darwin CR (1844) Geological observations on volcanic islands. Smith, Elder Co.,
     London
Delaney JR, Colony WE, Gerlach TE, Nordlie BE (1973) Geology of the Volcán Chico
     Area on Sierra Negra volcano, Galápagos Islands. Geol Soc Am Bull 84: 2455-2470
Feighner MA, Richards MA (1994) Lithospheric structures and compensation
     mechanisms of the Galápagos Archipelago. J Geophyical Res 99: 6711-6729
Filson J, Simkin T, Leu LK (1973) Seismicity of a caldera collapse: Galápagos Islands
     1968. Bull Seismol Soc Amer 12: 147-160.
Geist, D, Howard, KA, and Larson, P (1995) The generation of oceanic rhyolites by
     crystal fractionation: the basalt-rhyolite association at Volcan Alcedo, Galapagos
     Archipelago. J Petrol 36, 965-982.
Geist, D (1996) On the emergence and submergence of the Galapagos Islands, Noticias
     de Galapagos 56, 5-9.
Geist DJ (1992) An assessment of melting processes and the Galápagos hotspot: major
     and trace element evidence. J Volcanol Geotherm Res 52: 65-82
Geist DJ, White WM, McBirney AR (1988) Plume asthenosphere mixing beneath the
     Galápagos Archipeligo. Nature 333: 657-660
Geist DJ, Howard KA, Jellinek AM, Rayder S (1994) The eruptive history of Volcán
     Alcedo, Galápagos Archipeligo: a case study of rhyolitic oceanic volcanism. Bull
     Volcanol 56: 243-260
Geist DJ, McBirney AR, Duncan RA (1986) Geology and petrology of lavas from San
     Cristobal Island, Galápagos Archipelago. Geol Soc Am Bull 97: 555-556
Geist DJ, McBirney AR, Duncan RA (1985) Geology of Santa Fe Island: the oldest
     Galápagos volcano. J Volcanol Geotherm Res 52: 65-82
Geist, DJ (1985) Geology and petrology of San Cristobal Island, Galapagos Archipelago,
     Unpub PhD thesis, Univ of Oregon, 133 p.
Graham, DW, Christie, DM, Harpp, KS, and Lupton, JE (1993) Mantle plume helium in
     submarine basalts from the Galapagos platform, Science 262, 2023-2026.
Hall, ML (1983) Origin of Espanola Island and the age of terrestrial life on the
     Galapagos Islands. Science 221, 545-547.
Hey R (1977) Tectonic evolution of the Cocos-Nazca spreading center. Geol Soc Am
     Bull 88, 1401-1406
Hey R, Johnson GL, Lowrie A (1977) Recent plate motions in the Galápagos area. Geol
     Soc Am Bull 88, 1385-1403
Hickman, CS and Lipps, JH (1985) Geologic youth of Galapagos islands confirmed by
     marine stratigraphy and paleontology, Science 227, 1578-1580.
Kaufman, K and Burdick, LJ (1980) The reproducing earthquakes of the Galapagos
     Islands, Bull Seismol Soc Amer 70, 1759-1770.
Kurz MD, Kammer DP, Kenna TC, Geist DJ (1993) Dynamics and evolution of the
     Galápagos hotspot from helium isotopes, Eos Trans. AGU 74, (43), Fall Meet
     Suppl 632
Lindstrom M (1976) Geochemical studies of volcanic rocks from Pinzon and Santiago
     Islands Galápagos Archipeligo. Ph.D. Thesis, University of Oregon, Eugene.
McBirney AR, Williams H (1969) Geology and petrology of the Galápagos Islands. Geol
     Soc Am Mem 118, pp 1-197
McBirney AR, Cullen AB Geist D, Vincenzi EP, Duncan RA, Hall Ml, Estrella M (1985)
     The Galápagos Volcano Alcedo: a unique ocean caldera. J Volcanol Geotherm Res
     26: 173-177
McBirney, AR (1993) Differentiated rocks of the Galapagos hotspot. In: Pritchard, HM,
     Alabaster, T, Harris, NBW, and Neary, CR (eds) Magmatic processes and plate
     tectonics, Geol Soc Spec Pub 76, 61-69.
McBirney, AR, Cullen, AB, Geist, D, Vicenzi, EP, Duncan, RA, Hall, ML, and Estrella, M
     (1985) The Galapagos volcano Alcedo: a unique oceanic caldera, J Volcanol
     Geotherm Res 26, 173-177.
Munro DC, Mouginis-Mark PJ (1990) Eruptive patterns and structure of Isla
     Fernandina, Galápagos Islands, from SPOT-1 and large format camera images. Int
     J Remote Sensing 11: 1501-1509
Munro, DC (1992) The application of remotely sensed data to studies of volcanism
     within the Galapagos Islands, Unpub PhD thesis, Univ of Hawaii, 306 p.
Naumann T, Geist DJ (1993) Morphologic development of Galápagos sheild volcanoes:
     evidence from Cerro Azul, Isabela Island. Eos 74: 643
Nordlie BE (1973) Geology and structure of the western Galápagos volcanoes and a
     model for their origin. Geol Soc Am Bull 84: 2931-2956
Nordlie BE, Colony WE (1973) Fumarole with periodic water fountaining, Volcán
     Alcedo, Galápagos Islands. Geol Soc Am Bull 84: 1709-1720
Nusbaum RL, Colgan MW, Lawton DE, Glascock MD (1991) Mineralogical constraints
     on the magmatic history of Volcán Darwin flank lava at Urvina Bay, Isla Isabela,
     Galápagos Islands. J Volcanol Geotherm Res 47: 359-366
Reynolds, RW and Geist, DJ (1995) Petrology of lavas from Sierra Negra volcano,
     Isabela Island, Galapagos archipelago, J Geophys Res 100, 24537-24553.
Reynolds, RW, Geist, D, and Kurz, MD (1995) Physical volcanology and structural
     development of Sierra Negra volcano, Isabela Island, Galapagos archipelago, Geol
     Soc Amer 107, 1398-1410.
Reynolds RW (1994) Geology and petrology of Sierra Negra volcano, Isabela island,
     Galápagos archipelago, Ph.D. dissertation. University of Idaho Moscow
Richards A (1962) Active volcanoes of the Archipelago de Colon (Galápagos), Catalogue
     of the active volcanoes of the world, Part XIV. International Association of
     Volcanology and Chemistry of the Earth's Interior, Naples
Rowland SK, Munro DC (1992) The caldera of Volcán Fernandina: a remote sensing
     study of its structure and recent activity. Bull Volcanol 55: 97-109.
Rowland, SK, Munro, DC, and Perez-Oviedo, P (1994) Volcan Ecuador, Galapagos
     Islands: erosion as a possible mechanism for the generation of steep-sided basaltic
     volcanoes. Bull Volcanol 56, 271-283.
Schilling JG, Anderson RN, Vogt P (1976) Rare earth Fe and Ti variations along the
     Galápagos spreading centre, and their relationship to the Galápagos mantle
     plume. Nature 261: 108-113
Schilling JG, Kingsley RH, Devine JD (1982) Galápagos hot spot spreading center
     system, 1, Spatial petrological and geochemical variations (83 W-101 W). J
     Geophys Res 87: 5593-5610
Shimizu H, Masuda A, Masui N (1981) Rare-earth element geochemistry of volcanic
     rocks from the Galápagos Islands. Geochemical J 15: 81-93
Simkin T (1972) Origin of some flat-topped volcanoes and guyots. Geol Soc Am Mem
     132: 183-193
Simkin T (1984) Geology of Galápagos Islands. In: Perry R (ed) Key environments:
     Galápagos. Pergammon, Oxford: 16-41
Simkin T, Howard KA (1970) Caldera collapse in the Galápagos Islands. Science 169:
     429-437
Swanson FJ, Baitis HW, Lexa J, Dymond J (1974) Geology of Santiago, Rabida, and
     Pinzon Islands, Galápagos. Geol Soc Am Bull 85: 1803-1810
Verma SP, Schilling JG (1982) Galápagos hot spot-spreading center system, 2, 87Sr/86Sr
    and large ion lithophile element variations (85 W-101 W). J Geophys Res 87:
    10838-10856
Verma SP, Schilling JG, Waggoner DG (1983) Neodymium isotopic evidence for
    Galápagos hotspot-spreading center system evolution. Nature 306: 654-657
Vicenzi EP, McBirney AR, White WM, Hamilton M (1990) The geology and
    geochemistry of Isla Marchena, Galápagos Archipeligo: an ocean island adjacent
    to a mid-ocean ridge. J Volcanol Geotherm Res 40: 291-315
White WM, McBirney AR, Duncan RA (1993) Petrology and geochemistry of the
    Galápagos Islands: portrait of a pathological mantle plume. J Geophyiscal Res 98:
    19533-19564
White WM, Hofmann AW (1978) Geochemistry of the Galápagos Islands: Implications
    for mantle dynamics and evolution. Year Book Carnegie Inst Washington 77: 596-
    606

				
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