Easter Island, SE Pacific: An end-member type of hotspot volcanism

Bulletin of the Geological Society of America

Volumn 121, Issue 5-6, 2009, Pages 869-886

  Vezzoli, Luigina ^a   Acocella, Valerio ^b  

^a UNIVERSITY OF INSUBRIA   (Italy)

^b ROMA TRE UNIVERSITY   (Italy)

Author keywords

Caldera; Eruptive fissures; Hotspot volcanism; Rift zone; Shield volcano

Indexed keywords

CALDERA; ERUPTIVE FISSURES; HOTSPOT VOLCANISM; RIFT ZONE; SHIELD VOLCANO;

VOLCANOES;

CALDERA; FISSURE; HOT SPOT; LAVA; RIFT ZONE; RIFTING; SHIELD VOLCANO; VOLCANIC ERUPTION; VOLCANISM;

EASTER ISLAND; PACIFIC ISLANDS; PACIFIC OCEAN;

EID: 69949131248     PISSN: 00167606     EISSN: 00167606     Source Type: Journal    
DOI: 10.1130/B26470.1     Document Type: Article

References (91)

1. Acocella, V., and Tibaldi, A., 2005, Dike propagation driven by volcano collapse: A general model tested at Stromboli, Italy: Geophysical Research Letters, v. 32, p. L08308, doi: 10.1029/2004GL022248.
2. Acocella, V., Porreca, M., Neri, M., Mattei, M., and Funiciello, R., 2006, Tales from fissure eruptions at Somma-Vesuvio (Italy): Insights on the shallow propagation of dikes at active volcanoes: Geology, v. 34, p. 673-676, doi: 10.1130/G22552.1.
3. Albarède, F., Kaminiski, E., Upton, B.G.J., Bachelery, P., Cheminée, J.L., Luais, B., Fitton, G., and Semet, M., 1997, The geochemical regimes of Piton de la Fournaise volcano (Réunion) during the last 530,000 years: Journal of Petrology, v. 38, p. 171-201, doi: 10.1093/petrology/38.2.171.
4. Azevedo, J.M.M., and Portugal Ferreira, M.R., 2006, The volcanotectonic evolution of Flores Island, Azores (Portugal): Journal of Volcanology and Geothermal Research, v. 156, p. 90-102, doi: 10.1016/ j.jvolgeores.2006.03.011.
5. Baker, P.E., 1993, Archaeological stone of Easter Island: Geoarchaeology, v. 8, no. 2, p. 127-139, doi: 10.1002/gea.3340080205.
6. Baker, P.E., Buckley, F., and Holland, J.G., 1974, Petrology and geochemistry of Easter Island: Contributions to Mineralogy and Petrology, v. 44, p. 85-100, doi: 10.1007/BF00385783.
7. Bandy, M.C., 1937, Geology and petrology of Easter Island: Geological Society of America Bulletin, v. 48, p. 1589-1610.
8. Bird, P., 2003, An updated digital model of plate boundaries: Geochemistry Geophysics Geosystems, v. 4, p. 1027, doi: 10.1029/ 2001GC000252.
9. Brown, L., 2002, Paleosecular variation from Easter Island revisited: Modern demagnetization of a 1970s data set: Physics of the Earth and Planetary Interiors, v. 133, p. 73-81, doi: 10.1016/ S0031-9201(02)00093-6.
10. 14C geochronology of Terceira Island, Azores, Portugal: Journal of Volcanology and Geothermal Research, v. 156, p. 103-115, doi: 10.1016/j.jvolgeores.2006.03.016.
11. Canon-Tapia, E., and Walker, G.P.L., 2004, Global aspects of volcanism: The perspectives of "plate tectonics" and "volcanic systems": Earth-Science Reviews, v. 66, p. 163-182, doi: 10.1016/ j.earscirev.2003.11.001.
12. Carracedo, J.C., 1999, Growth, structure, instability and collapse of Canarian volcanoes and comparison with Hawaiian volcanoes: Journal of Volcanology and Geothermal Research, v. 94, p. 1-19, doi: 10.1016/ S03770273(99)00095-5.
13. Carracedo, J.C., Rodriguez Badiola, E., Guillou, H., Paterne, M., Scaillet, S., Perez Torrado, F.J., Paris, R., Fra-Paleo, U., and Hansen, A., 1999, Eruptive and structural history of Teide Volcano and rift zones of Tenerife, Canary Islands: Geological Society of America Bulletin, v. 111, p. 755-768, doi: 10.1130/ 0016-7606(1999)111<0755:LSOVEO>2.3.CO;2.
14. Carracedo, J.C., Day, S.J., Guillou, H., and Gravestock, P., 2007, Later stages of volcanic evolution of La Palma, Canary Islands: Rift evolution, giant landslides, and the genesis of the Caldera de Taburiente: Geological Society of America Bulletin, v. 119, p. 1027-1051, doi: 10.1130/B26087.1.
15. Carter, A., van Wyk de Vries, B., Kelfoun, K., Bachèlery, P., and Briole P., 2007, Pits, rifts and slumps: The summit structure of Piton de la Fournaise: Bulletin of Volcanology, v. 69, p. 741-756, doi: 10.1007/s00445006-0103-4.
16. Chadwick, W.W., and Howard, K.A., 1991, The pattern of circumferential and radial eruptive fissures on the volcanoes of Fernandina and Isabela islands, Galapagos: Bulletin of Volcanology, v. 53, p. 259-275, doi: 10.1007/BF00414523.
17. Cheng, Q.C., Macdougall, J.D., and Zhu, P., 1999, Isotopic constraints on the Easter Seamount Chain source: Contributions to Mineralogy and Petrology, v. 135, p. 225-233, doi: 10.1007/s004100050508.
18. Clague, D.A., and Dalrymple, G.B., 1987, The Hawaiian-Emperor volcanic chain. Part 1: Geologic evolution: U.S. Geological Survey Professional Paper, v. 1350, p. 5-54.
19. Clark, J.G., 1975, Age, chemistry and tectonic significance of Easter and Sala y Gomez Islands [M.S. thesis]: Corvallis, Oregon State University, 135 p.
20. Clark, J.G., and Dymond, J., 1977, Geochronology and petrochemistry of Easter and Sala y Gomez Islands: Implications for the origin of the Sala y Gomez Ridge: Journal of Volcanology and Geothermal Research, v. 2, p. 29-48, doi: 10.1016/0377-0273(77)90014-2.
21. Cousens, B.L., Clague, D.A., and Sharp, W.D., 2003, Chronology, chemistry, and the origin of trachytes from Hualalai Volcano, Hawaii: Geochemistry Geophysics Geosystems, v. 4, p. Q01078, doi: 10.1029/ 2003GC000560.
22. Craig, H., Kim, K.-R., and Rison, W., 1984, Easter Island hotspot: I. Bathymetry, helium isotopes, and hydrothermal methane and helium: Eos (Transactions, American Geophysical Union), v. 65, p. 1140.
23. Damasceno, D., Giret, A., Scoates, J.S., Weis, D., and Frey, F.A., 2002, Mineral chemistry of mildly alkalic basalts from the 25 Ma Mont Crozier section, Kerguelen Archipelago: Constraints on phenocryst crystallization environments: Journal of Petrology, v. 43, p. 1389-1413, doi: 10.1093/petrology/43.7.1389.
24. Debajyoti, P., White, W.M., and Blichert-Toft, J., 2005, Geochemistry of Mauritius and the origin of rejuvenescent volcanism on ocean island volcanoes: Geochemistry Geophysics Geosystems, v. 6, p. Q06007, doi: 10.1029/2004GC000883.
25. Decker, R.W., 1987, Dynamics of Hawaiian volcanoes: An overview: U.S. Geological Survey Professional Paper 1350, p. 997-1018.
26. Decker, R.W., Wright, T.L., and Stauffer, P.H., 1987, Volcanism in Hawaii: U.S. Geological Survey Professional Paper 1350, 2 vol., 1606 p.
27. DeMets, C., Gordon, R.G., and Vogt, P., 1994, Location of the Africa-Australia-India triple junction and motion between the Australian and Indian Plates - Results from an aeromagnetic investigation of the Central Indian and Carlsberg Ridges: Geophysical Journal International, v. 119, p. 893-930, doi: 10.1111/j.1365246X.1994.tb04025.x.
28. Dieterich, J.H., 1988, Growth and persistence of Hawaiian volcanic rift zones: Journal of Geophysical Research, v. 93, p. 4258-4270, doi: 10.1029/JB093iB05p04258.
29. Duncan, R.A., Fisk, M.R., White, W.M., and Nielsen, R.L., 1994, Tahiti: Geochemical evolution of a French Polynesian volcano: Journal of Geophysical Research, v. 99, p. 24,341-24,357, doi: 10.1029/94JB00991.
30. Dvorak, J.J., and Dzurisin, D., 1993, Variations in magma supply rate at Kilauea Volcano, Hawaii: Journal of Geophysical Research, v. 98, p. 22,255-22,268, doi: 10.1029/93JB02765.
31. Fiske, R.S., and Jackson, E.D., 1972, Orientation and growth of Hawaiian volcanic rifts: The effect of regional structure and gravitational stresses: Proceedings of the Royal Society of London, v. 329, p. 299-326.
32. Fretzdorff, S., Haase, K.M., and Garbe-Schoenberg, C.D., 1996, Petrogenesis of lavas from the Umu volcanic field in the young hotspot region west of Easter Island, southeastern Pacific: Lithos, v. 38, p. 23-40, doi: 10.1016/0024-4937(96)00008-4.
33. Garcia, M.O., Rhodes, J.M., Trusdell, F.A., and Pietruszka, A.J., 1996, Petrology of lavas from the Puu Oo eruption of Kilauea Volcano: III. The Kupaianaha episode (1986-1992): Bulletin of Volcanology, v. 58, p. 359-379, doi: 10.1007/s004450050145.
34. Geist, D.J., Naumann, T.R., and Larson, P., 1998, Evolution of Galapagos magmas: Mantle and crustal fractionation without assimilation: Journal of Petrology, v. 39, p. 953-971, doi: 10.1093/petrology/39.5.953.
35. Geist, D., White, W.M., Albarede, F., Harpp, K., Reynolds, R., Blichert-Toft, J., and Kurz, M.D., 2002, Volcanic evolution in the Galapagos: The dissected shield of Volcan Ecuador: Geochemistry Geophysics Geosystems, v. 3, p. Q01061, doi: 10.1029/2002GC000355.
36. Geist, D., Fornari, D.J., Kurz, M.D., Harpp, K.S., Soule, S.A., Perfit, M.R., and Koleszar, A.M., 2006, Submarine Fernandina: Magmatism at the leading edge of the Galapagos hot spot: Geochemistry Geophysics Geosystems, v. 7, p. Q12007, doi: 10.1029/2006GC001290.
37. 39Ar age dating of the Madeira Archipelago and hotspot track (eastern North Atlantic): Geochemistry Geophysics Geosystems, v. 1, no. 2, doi: 10.1029/1999GC000018.
38. 86Sr ratios of volcanic rocks from Easter Island, in Proceedings, Symposium on Andean and Antarctic Volcanology Problems, Santiago, Chile, September, 1974: Napoli, Giannini, International Association of Volcanology and Chemistry of the Earth's Interior, p. 715-724.
39. Gonzalez-Ferran, O., Mazzuoli, R., and Lahsen, A., 2004, Geologia del complejo volcanico Isla de Pascua Rapa Nui. Scale 1:30,000: Santiago, Chile, Centro de Estudios Volcanologicos.
40. Gudmundsson, A., 2008, Magma chamber geometry, fluid transport, local stresses and rock behavior during collapse caldera formation, in Marti, J., and Gottsmann, J., eds., Caldera volcanism: Analysis, modeling and response: Developments in Volcanology, Elsevier, v. 10, p. 313-349.
41. Haase, K.M., 2002, Geochemical constraints on magma sources and mixing processes in Easter Microplate (SE Pacific): A case study of plume-ridge interaction: Chemical Geology, v. 182, p. 335-355, doi: 10.1016/ S0009-2541(01)00327-8.
42. Haase, K.M., and Devey, C.W., 1996, Geochemistry of lavas from the Ahu and Tupa volcanic fields, Easter Hotspot, southeast Pacific: Implications for intraplate magma genesis near a spreading axis: Earth and Planetary Science Letters, v. 137, p. 129-143, doi: 10.1016/ 0012-821X(95)00217-Z.
43. Haase, K.M., Devey, C.W., and Goldstein, S.L., 1996, Two-way exchange between the Easter mantle plume and the Easter microplate spreading axis: Nature, v. 382, p. 344-346, doi: 10.1038/382344a0.
44. Haase, K.M., Stoffers, P., and Garbe-Schoenberg, C.D., 1997, The petrogenetic evolution of lavas from Easter Island and neighboring seamounts, near-ridge hotspot volcanoes in the SE Pacific: Journal of Petrology, v. 38, p. 785-813, doi: 10.1093/petrology/38.6.785.
45. Hagen, R.A., Baker, N.A., Naar, D.F., and Hey, R.N., 1990, A SeaMarc II survey of recent submarine volcanism near Easter Island: Marine Geophysical Researches, v. 12, p. 297-315, doi: 10.1007/BF02428200.
46. Hanan, B.B., and Schilling, J.-G., 1989, Easter Microplate evolution: Pb isotope evidence: Journal of Geophysical Research, v. 94, p. 7432-7448, doi: 10.1029/JB094iB06p07432.
47. Harpp, K.S., Fornari, D.J., Geist, D.J., and Kurz, M.D., 2003, Genovesa Submarine Ridge: A manifestation of plume-ridge interaction in the northern Galapagos Islands: Geochemistry Geophysics Geosystems, v. 4, p. Q08511, doi: 10.1029/2003GC000531.
48. Hildenbrand, A., Gillot, P.-Y., and Le Roy, I., 2004, Volcano-tectonic and geochemical evolution of an oceanic intraplate volcano: Tahiti-Nui (French Polynesia): Earth and Planetary Science Letters, v. 217, p. 349-365, doi: 10.1016/S0012-821X(03)00599-5.
49. Holcomb, R.T., Nelson, B.K., Reiners, P.W., and Sawyer, N.L., 2000, Overlapping volcanoes: The origin of the Hilo Ridge, Hawaii: Geology, v. 28, p. 547-550, doi: 10.1130/0091-7613(2000)28<547:OVTOOH>2.0.CO;2.
50. Isaacson, L.B., and Heinrichs, D.F., 1976, Paleomagnetism and secular variation of the Easter Island basalts: Journal of Geophysical Research, v. 81, p. 1476-1482, doi: 10.1029/JB081i008p01476.
51. Kaneoka, I., and Katsui, Y., 1985, K-Ar ages of volcanic rocks from Easter Island: Bulletin of the Volcanological Society of Japan, v. 30, p. 33-36.
52. Klingelhofer, F., Minshull, T.A., Blackman, D.K., Harben, P., and Childers, V., 2001, Crustal structure of Ascension Island from wide-angle seismic data: Implications for the formation of near-ridge volcanic islands: Earth and Planetary Science Letters, v. 190, p. 41-56, doi: 10.1016/S0012-821X(01)00362-4.
53. Klugel, A., Schmincke, H.U., White, J.D.L., and Hoernle, K.A., 1999, Chronology and volcanology of the 1949 multivent rift-zone eruption on la Palma (Canary Islands): Journal of Volcanology and Geothermal Research, v. 94, p. 267-282, doi: 10.1016/S0377-0273(99)00107-9.
54. Langenheim, V.A.M., and Clague, D.A., 1987, The Hawaiian-Emperor volcanic chain. Part 2. Stratigraphic framework of volcanic rocks of the Hawaiian Islands: U.S. Geological Survey Professional Paper 1350, p. 55-84.
55. Lenat, J.F., Gilbert-Malengreau, B., and Galdeano, A., 2001, A new model for the evolution of the volcanic island of Reunion (Indian Ocean): Journal of Geophysical Research, v. 106, p. 8645-8663, doi: 10.1029/ 2000JB900448.
56. Letourneur, L., Peltier, A., Staudacher, T., and Gudmundsson, A., 2008, The effect of rock heterogeneities of dyke paths and asymmetric ground deformation: The example of Piton de la Fournaise (Reunion Island): Journal of Volcanology and Geothermal Research, v. 173, p. 289-302, doi: 10.1016/j.jvolgeores.2008.01.018.
57. Lipman, P.W., Sisson, T.W., Coombs, M.L., Calvert, A., and Kimura, J.-I., 2006, Piggyback tectonics: Long-term growth of Kilauea on the south flank of Mauna Loa: Journal of Volcanology and Geothermal Research, v. 151, p. 73-108, doi: 10.1016/j.jvolgeores.2005.07.032.
58. Macdonald, G.A., and Katsura, T., 1964, Chemical composition of Hawaiian lavas: Journal of Petrology, v. 5, p. 82-133.
59. Michon, L., Saint-Ange, F., Bachelery, P., Villeneuve, N., and Staudacher, T., 2007, Role of the structural inheritance of the oceanic lithosphere in the magmato-tectonic evolution of Piton de la Fournaise volcano (La Réunion Island): Journal of Geophysical Research, v. 112, p. B04205, doi: 10.1029/2006JB004598.
60. Miki, M., Inokuchi, H., Yamaguchi, S., Matsuda, J., Nagao, K., Isezaki, N., and Yaskawa, K., 1998, Geomagnetic paleosecular variation in Easter Island, the Southeast Pacific: Physics of the Earth and Planetary Interiors, v. 106, p. 93-101, doi: 10.1016/S0031-9201(97)00106-4.
61. Mitchell, N.C., 2003, Susceptibility of mid-ocean ridge volcanic islands and seamounts to large-scale landsliding: Journal of Geophysical Research, v. 108, p. 2397, doi: 10.1029/2002JB001997.
62. Mitchell, N.C., Beier, C., Rosin, P.L., Quartau, R., and Tempera, F., 2008, Lava penetrating water: Submarine lava flows around the coasts of Pico Island, Azores: Geochemistry Geophysics Geosystems, v. 9, p. Q03024, doi: 10.1029/2007GC001725.
63. Montelli, R., Nolet, G., Dahlen, F.A., Masters, G., Engdahl, E.R., and Hung, S.H., 2004, Finite-frequency tomography reveals a variety of plumes in the mantle: Science, v. 303, p. 338-343, doi: 10.1126/ science.1092485.
64. Montelli, R., Nolet, G., Dahlen, F.A., and Masters, G., 2006, A catalogue of deep mantle plumes: New results from finite-frequency tomography: Geochemistry Geophysics Geosystems, v. 7, p. Q11007, doi: 10.1029/2006GC001248.
65. Moore, J.G., and Clague, D.A., 1992, Volcano growth and the evolution of the island of Hawaii: Geological Society of America Bulletin, v. 104, p. 1471-1484, doi: 10.1130/0016-7606(1992)104<1471:VGAEOT>2.3.CO;2.
66. Naar, D.F., and Hey, R.N., 1991, Tectonic evolution of the Easter Microplate: Journal of Geophysical Research, v. 96, p. 7961-7993, doi: 10.1029/90JB02398.
67. Naumann, T., and Geist, D., 2000, Physical volcanology and structural development of Cerro Azul Volcano, Isabela Island, Galapagos: Implications for the development of Galapagos-type shield volcanoes: Bulletin of Volcanology, v. 61, p. 497-514.
68. Nielson, D.L., and Sibbett, B.S., 1996, Geology of Ascension Island, South Atlantic Ocean: Geothermics, v. 25, p. 427-488, doi: 10.1016/ 0375-6505(96)00018-1.
69. O'Connor, J.M., Stoffers, P., and McWilliams, M.O., 1995, Time-space mapping of Easter Chain volcanism: Earth and Planetary Science Letters, v. 136, p. 197-212, doi: 10.1016/0012-821X(95)00176-D.
70. Oehler, J.F., Lenat, J.F., and Labazuy, P., 2008, Growth and collapse of the Reunion Island volcanoes: Bulletin of Volcanology, v. 70, p. 717-742, doi: 10.1007/s00445-007-0163-0.
71. Ozawa, A., Tagami, T., and Garcia, M.O., 2005, Unspiked K-Ar dating of the Honolulu rejuvenated and Ko'olau shield volcanism on O'ahu, Hawaii: Earth and Planetary Science Letters, v. 232, p. 1-11, doi: 10.1016/ j.epsl.2005.01.021.
72. Robinson, J.E., and Eakins, B.W., 2006, Calculated volumes of individual shield volcanoes at the young end of the Hawaiian Ridge: Journal of Volcanology and Geothermal Research, v. 151, p. 309-327, doi: 10.1016/ j.jvolgeores.2005.07.033.
73. Rusby, R.I., and Searle, R.C., 1995, A history of the Easter Microplate, 5.25 Ma to present: Journal of Geophysical Research, v. 100, p. 12,617-12,640, doi: 10.1029/94JB02779.
74. Schilling, J.-G., 1985, Upper mantle heterogeneities and dynamics: Nature, v. 314, p. 62-67, doi: 10.1038/314062a0.
75. Schmincke, H.-U., 1982, Volcanic and chemical evolution of the Canary Islands, in von Rad, U., et al., eds., Geology of the Northwestern African Continental Margin: Berlin, Springer-Verlag, p. 3-20.
76. Schwarz, S., Klugel, A., and Wohlgemuth-Ueberwasser, C., 2004, Melt extraction pathways and stagnation depths beneath the Madeira and Desertas rift zones (NE Atlantic) inferred from barometric studies: Contributions to Mineralogy and Petrology, v. 147, p. 228-240, doi: 10.1007/s00410-004-0556-4.
77. Schwarz, S., Klugel, A., van den Bogaard, P., and Geldmacher, J., 2005, Internal structure and evolution of a volcanic rift system in the eastern North Atlantic: The Desertas rift zone, Madeira Archipelago: Journal of Volcanology and Geothermal Research, v. 141, p. 123-155, doi: 10.1016/j.jvolgeores.2004.10.002.
78. Searle, R.C., Bird, R.T., Rusby, R.I., and Naar, D.F., 1993, The development of two oceanic microplates: Easter and Juan Fernadez microplates, East Pacific Rise: The Geological Society of London, v. 150, p. 965-976, doi: 10.1144/gsjgs.150.5.0965.
79. Sherrod, D.R., Nishimitsu, Y., and Tagami, T., 2003, New K-Ar ages and the geologic evidence against rejuvenated-stage volcanism at Haleakala, East Maui, a postshield-stage volcano of the Hawaiian island chain: Geological Society of America Bulletin, v. 115, p. 683-694, doi: 10.1130/ 0016-7606(2003)115<0683:NKAATG>2.0.CO;2.
80. 39Ar incremental heating analyses of lavas: Earth and Planetary Science Letters, v. 139, p. 47-61, doi: 10.1016 /0012-821X(96)00003-9.
81. Stoffers, P., Hekinian, R., Haase, K.M., and Sonne Cruise SO-80 Scientific Party, 1994, Geology of young submarine volcanoes west of Easter Island, Southeast Pacific: Marine Geology, v. 118, p. 177-185, doi: 10.1016/0025-3227(94)90081-7.
82. Tagami, T., Nishimitsu, Y., and Sherrod, D.R., 2003, Rejuvenated-stage volcanism after 0.6-m.y. quiescence at West Maui volcano, Hawaii: New evidence from K-Ar ages and chemistry of Lahaina Volcanics: Journal of Volcanology and Geothermal Research, v. 120, p. 207-214, doi: 10.1016/ S0377-0273(02)00385-2.
83. Tauxe, L., Herbert, T., Shackleton, N.J., and Kok, Y.S., 1996, Astronomical calibration of the Matuyama-Brunhes boundary: Consequences for magnetic acquisition in marine carbonate and the Asian loess sequences: Earth and Planetary Science Letters, v. 140, p. 133-146, doi: 10.1016/0012-821X(96)00030-1.
84. Vogt, P.R., and Jung, W.Y., 2004, The Terceira Rift as hyperslow, hotspot-dominated oblique spreading axis: Comparison with other slow-spreading plate boundaries: Earth and Planetary Science Letters, v. 218, p. 77-90, doi: 10.1016/S0012-821X(03)00627-7.
85. Walter, T.R., Troll, V.R., Cailleau, B., Belousov, A., Schmincke, H.-U., Amelung, F., and van den Bogaard, P., 2005, Rift zone reorganization through flank instability in ocean island volcanoes: An example from Tenerife, Canary Islands: Bulletin of Volcanology, v. 67, p. 281-291, doi: 10.1007/s00445-004-0352-z.
86. Walter, T.R., Klugel, A., and Munn, S., 2006, Gravitational spreading and formation of new rift zones on overlapping volcanoes: Terra Nova, v. 18, p. 26-33, doi: 10.1111/j.1365-3121.2005.00656.x.
87. Wanless, V.D., Garcia, M.O., Rhodes, J.M., Weis, D., and Norman, M.D., 2006, Shield-stage alkalic volcanism on Mauna Loa Volcano, Hawaii: Journal of Volcanology and Geothermal Research, v. 151, p. 141-155, doi: 10.1016/j.jvolgeores.2005.07.027.
88. Weaver, B., Kar, A., Davidson, J., and Colucci, M., 1996, Geochemical characteristics of volcanic rocks from Ascension Island, South Atlantic Ocean: Geothermics, v. 25, no. 4-5, p. 449-470, doi: 10.1016/ 03756505(96)00014-4.
89. White, W.M., McBirney, A.R., and Duncan, R.A., 1993, Petrology and geochemistry of the Galapagos Islands: Portrait of a pathological mantle plume: Journal of Geophysical Research, v. 98, p. 19,533-19,563, doi: 10.1029/93JB02018.
90. Wolfe, E.W., Wise, W.S., and Dalrymple, G.B., 1997, The geology and petrology of Mauna Kea volcano, Hawaii - A study of postshield volcanism: U.S. Geological Survey Professional Paper 1557, 129 p.
91. Woods, M.T., and Okal, E.A., 1994, The structure of the Nazca ridge and Sala y Gomez seamount chain from the dispersion of Rayleigh waves: Geophysical Journal International, v. 117, p. 205-222, doi: 10.1111/ j.1365246X.1994.tb03313.x.