The origin of enriched mantle beneath São Miguel, Azores

Geochimica et Cosmochimica Acta

Volumn 71, Issue 1, 2007, Pages 219-240

  Elliott, Tim ^a,b   Blichert Toft, Janne ^c   Heumann, Arnd ^a,d   Koetsier, Govert ^a   Forjaz, Victor ^e  

^a VU UNIVERSITY AMSTERDAM   (Netherlands)

^b UNIVERSITY OF BRISTOL   (United Kingdom)

^c UNIVERSITÉ DE LYON   (France)

^d UNIVERSITY OF GÖTTINGEN   (Germany)

^e Observatório Vulcanológico e Geotérmico dos Açores ^*  (Portugal)

Author keywords

[No Author keywords available]

Indexed keywords

ENRICHMENT; ISOTOPIC COMPOSITION; LAVA; MANTLE CHEMISTRY; MANTLE SOURCE;

ATLANTIC ISLANDS; ATLANTIC OCEAN; AZORES; EURASIA; EUROPE; MACARONESIA; PORTUGAL; SAO MIGUEL; SOUTHERN EUROPE;

EID: 33845571110     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.gca.2006.07.043     Document Type: Article

References (148)

1. Albarède F., Luais B., Fitton G., Semet M., Kaminski E., Upton B.G.J., Bachèlery P., and Cheminée J.-L. The geochemical regimes of Piton de la Fournaise volcano (Réunion) during the last 530,000 years. J. Petrol. 38 (1997) 171-201
2. 176Lu decay constant. Geochim. Cosmochim. Acta 70 (2006) 1261-1270
3. Albarède F., Simonetti A., Vervoort J.D., Blichert-Toft J., and Abouchami W. A Hf-Nd isotopic correlation in ferromanganese nodules. Geophys. Res. Lett. 25 (1998) 3895-3898
4. Albarède F., and Tamagnan V. Modeling the recent geochemical evolution of the Piton de la Fournaise Volcano, Réunion Island, 1931-1986. J. Petrol. 29 (1988) 997-1030
5. 176Lu. Geochim. Cosmochim. Acta 69 (2005) 465-473
6. Asmerom Y., and Jacobsen S.B. The Pb isotopic evolution of the Earth: inferences from river water suspended loads. Earth Planet. Sci. Lett. 115 (1993) 245-256
7. Barling J., and Goldstein S.L. Extreme isotopic variations in Heard Island lavas and the nature of mantle reservoirs. Nature 348 (1990) 59-62
8. Beattie P. Uranium-thorium disequilibria and partitioning on melting of garnet peridotite. Nature 363 (1993) 63-65
9. Ben Othman D., White W.M., and Patchett J. The geochemistry of marine-sediments, island-arc magma genesis, and crust mantle recycling. Earth Planet. Sci. Lett. 94 (1989) 1-21
10. Bennett S.L., Blundy J., and Elliott T. The effect of sodium and titanium on crystal-melt partitioning of trace elements. Geochim. Cosmochim. Acta 68 (2004) 2335-2347
11. Bizzarro M., Baker J.A., Haack H., Ulfbeck D., and Rosing M. Early history of Earth's crust-mantle system inferred from hafnium isotopes in chondrites. Nature 421 (2003) 931-933
12. Blichert-Toft J., and Albarède F. The Lu-Hf isotope geochemistry of chondrites and the evolution of the mantle-crust system. Earth Planet. Sci. Lett. 148 (1997) 243-258
13. Blichert-Toft J., Albarède F., Rosing M., Frei R., and Bridgwater D. The Nd and Hf isotopic evolution of the mantle through the Archean. Results from the Isua supracrustals, West Greenland and from the Birimian terranes of West Africa. Geochim. Cosmochim. Acta 63 (1999) 3901-3914
14. 176Hf in eucrites and the differentiation of the HED parent body. Earth Planet. Sci. Lett. 204 (2002) 167-181
15. Blichert-Toft J., Chauvel C., and Albarède F. Separation of Hf and Lu for high-precision isotope analysis of rock samples by magnetic sector multiple collector ICP-MS. Contrib. Mineral. Petrol. 127 (1997) 248-260
16. Blichert-Toft J., Frey F.A., and Albarède F. Hf isotope evidence for pelagic sediments in the source of Hawaiian basalts. Science 285 (1999) 879-882
17. Blundy J.D., Robinson J.A.C., and Wood B.J. Heavy REE are compatible in clinopyroxene on the spinel lherzolite solidus. Earth Planet. Sci. Lett. 160 (1998) 493-504
18. Blundy J.D., and Wood B.J. Mineral-melt partitioning of uranium-thorium and their daughters. In: Bourdon B., Henderson G.M., Lundstrom C.C., and Turner S.P. (Eds). Uranium-Series Geochemistry (2003), MSA, Washington, DC 59-123
19. Booth B., Croasdale R., and Walker G.P.L. Quantitative study of 5000 years of volcanism on São Miguel, Azores. Philos. Trans. R. Soc. Lond. Ser. A 288 (1978) 271-319
20. Brenan J.M., Shaw H.F., and Ryerson F.J. Experimental-evidence for the origin of lead enrichment in convergent-margin magmas. Nature 378 (1995) 54-56
21. Caress D.W., McNutt M.K., Detrick R.S., and Mutter J.C. Seismic imaging of hotspot-related crustal underplating beneath the Marquesas Islands. Nature 373 (1995) 600-603
22. Carlson R.W., and Irving A.J. Depletion and enrichment history of subcontinental lithospheric mantle: an Os, Sr, Nd and Pb isotopic study of ultramafic xenoliths from the northwestern Wyoming Craton. Earth Planet. Sci. Lett. 126 (1994) 457-472
23. Chase C. Ocean island Pb: two-stage histories and mantle evolution. Earth Planet. Sci. Lett. 52 (1981) 277-284
24. Chauvel C., Hofmann A.W., and Vidal P. HIMU-EM: the French Polynesian connection. Earth Planet. Sci. Lett. 110 (1992) 99-119
25. 226Ra fractionation in historical lavas from the Azores: long-lived source heterogeneity vs. metasomatism fingerprints. Chem. Geol. 176 (2001) 295-310
26. Cohen A.S., O'Nions R.K., and Kurz M.D. Chemical and isotopic variations in Mauna Loa tholeiites. Earth Planet. Sci. Lett. 143 (1996) 111-124
27. Cohen R.S., O'Nions R.K., and Dawson J.B. Isotope geochemistry of xenoliths from East-Africa: implications for development of mantle reservoirs and their interaction. Earth Planet. Sci. Lett. 68 (1984) 209-220
28. Collerson K.D., and Kamber B.S. Evolution of the continents and the atmosphere inferred from Th-U-Nb systematics of the depleted mantle. Science 283 (1999) 1519-1522
29. Cooper K.M., Eiler J.M., Asimow P.D., and Langmuir C.H. Oxygen isotope evidence for the origin of enriched mantle beneath the mid-Atlantic ridge. Earth Planet. Sci. Lett. 220 (2004) 297-316
30. Davidson J.P., and Bohrson W.A. Shallow-level processes in ocean-island magmatism. J. Petrol. 39 (1998) 799-801
31. Davies G.R., Norry M.J., Gerlach D.C., and Cliff R.A. A combined chemical and Pb-Sr-Nd isotope study of the Azores and Cape Verde hotspots: the geodynamic implications. In: Saunders A.D., and Norry M.J. (Eds). Magmatism in the Ocean Basins (1989), Blackwell, London 231-256
32. Devey C.W., Albarède F., Cheminée J.-L., Michard A., Mühe R., and Stoffers P. Active submarine volcanism on the Society hotspot swell (west Pacific): a geochemical study. J. Geophys. Res. 95 (1990) 5049-5066
33. Doe B.R. Lead Isotopes (1970), Springer Verlag, Heidelberg
34. Dosso L., Bougault H., Langmuir C.H., Bollinger C., Bonnier O., and Etoubleau J. The age and distribution of mantle heterogeneity along the mid-Atlantic ridge (31-41° N). Earth Planet. Sci. Lett. 170 (1999) 269-286
35. Dupré B., Lambert B., and Allègre C. Isotopic variations within a single oceanic island: the Terceira case. Nature 299 (1982) 620-622
36. Dupuy C., Vidal P., Barsczus H.G., and Chauvel C. Origin of basalts from the Marquesas Archipelago (south central Pacific Ocean): isotope and trace-element constraints. Earth Planet. Sci. Lett. 82 (1987) 145-152
37. Eiler J.M. Oxygen isotope variations of basaltic lavas and upper mantle rocks. In: Valley J.W., and Cole D.R. (Eds). Stable Isotope Geochemistry (2001), MSA, Washington, DC 319-364
38. Eiler J.M., Farley K.A., Valley J.W., Stolper E.M., Hauri E.H., and Craig H. Oxygen-isotope evidence against bulk recycled sediment in the mantle sources of Pitcairn Island lavas. Nature 377 (1995) 138-141
39. Eisele J., Sharma M., Galer S.J.G., Blichert-Toft J., Devey C.W., and Hofmann A.W. The role of sediment recycling in EM-1 inferred from Os, Pb, Hf, Nd, Sr isotope and trace element systematics of the Pitcairn hotspot. Earth Planet. Sci. Lett. 196 (2002) 197-212
40. Ellam R.M. Lithospheric thickness as a control on basalt geochemistry. Geology 20 (1992) 153-156
41. Elliott T. Fractionation of U and Th during mantle melting: a reprise. Chem. Geol. 139 (1997) 165-183
42. Elliott T., Hoernle K., Hawkesworth C.J., and van Calsteren P. Signatures of crustal contamination in the historic basanites of La Palma, Canary Islands. EOS, Trans. AGU 74 (1993) 324
43. Elliott T., Zindler A., and Bourdon B. Exploring the kappa conundrum: the role of recycling in the lead isotope evolution of the mantle. Earth Planet. Sci. Lett. 169 (1999) 129-145
44. 230Th ages from the Key Largo Formation, Florida Keys, United States: constraints on diagenetic age disturbance. Geol. Soc. Am. Bull. 112 (2000) 267-277
45. Galer S.J.G., and O'Nions K. Residence time of thorium, uranium and lead in the mantle with implications for mantle convection. Nature 316 (1985) 778-782
46. Gast P.W., Hedge C., and Tilton G.R. Isotopic composition of lead and strontium from Ascension and Gough Islands. Science 145 (1964) 1181-1185
47. Green T.H. Experimental studies of trace-element partitioning applicable to igneous petrogenesis-Sedona 16 years later. Chem. Geol. 117 (1994) 1-36
48. Haase K.M. The relationship between the age of the lithosphere and the composition of oceanic magmas: constraints on partial melting, mantle sources and the thermal structure of the plates. Earth Planet. Sci. Lett. 144 (1996) 75-92
49. Haase K.M., and Beier C. Tectonic control of ocean island basalt sources on São Miguel, Azores?. Geophys. Res. Lett. 30 (2003) 1856 10.1029/2003GL017500
50. Halliday A.N., Lee D.C., Tommasini S., Davies G.R., Paslick C.R., Fitton J.G., and James D.E. Incompatible trace-elements in OIB and MORB and source enrichment in the sub-oceanic mantle. Earth Planet. Sci. Lett. 133 (1995) 379-395
51. Hanan B.B., and Graham D.W. Lead and helium isotope evidence from oceanic basalts for a common deep source of mantle plumes. Science 272 (1996) 991-995
52. Hart S.R., and Dunn T. Experimental cpx/melt partitioning of 24 trace elements. Contrib. Mineral. Petrol. 113 (1993) 1-8
53. Hart S.R., Hauri E.H., Oschmann L.A., and Whitehead J.A. Mantle plumes and entrainment: isotopic evidence. Science 256 (1992) 517-520
54. Hauri E.H. Major-element variability in the Hawaiian mantle plume. Nature 382 (1996) 415-419
55. Hawkesworth C.J., Erlank A.J., Kempton P.D., and Waters F.G. Mantle metasomatism: isotope and trace-element trends in xenoliths from Kimberley, South-Africa. Chem. Geol. 85 (1990) 19-34
56. 86Sr ratios from the Azores and their significance in LIL-element enriched mantle. Nature 280 (1979) 28-31
57. Hemming S.R., and McLennan S.M. Pb isotope compositions of modern deep sea turbidites. Earth Planet. Sci. Lett. 184 (2001) 489-503
58. Hémond C., Devey C., and Chauvel C. Source compositions and melting processes in the Society and Austral plumes (south Pacific Ocean): element and isotope (Sr, Nd, Pb, Th) geochemistry. Chem. Geol. 115 (1994) 163-180
59. Hirschmann M.M., and Stolper E.M. A possible role for garnet pyroxenite in the origin of the "garnet signature" in MORB. Contrib. Mineral. Petrol. 124 (1996) 185-208
60. Hofmann A.W., Feigenson M.D., and Raczek I. Case studies on the origin of basalt. 3. Petrogenesis of the Mauna Ulu eruption, Kilauea, 1969-1971. Contrib. Mineral. Petrol. 88 (1984) 24-35
61. Hofmann A.W., Jochum K.P., Seufert M., and White W.M. Nb and Pb in oceanic basalts: new constraints on mantle evolution. Earth Planet. Sci. Lett. 79 (1986) 33-45
62. Hofmann A.W., and White W.M. Ba, Rb and Cs in the Earth's mantle. Z. Naturfors. Sect. A 38 (1983) 256-266
63. Ionov D.A., Blichert-Toft J., and Weis D. Hf isotopic compositions and HREE variations in off-craton spinel peridotite xenoliths from central Asia. Geochim. Cosmochim. Acta 69 (2005) 2399-2418
64. Jacobsen S.B., and Wasserburg G.J. Sm-Nd isotopic evolution of chondrites. Earth Planet. Sci. Lett. 50 (1980) 139-155
65. Jochum K.P., Hofmann A.W., Ito E., Seufert H.M., and White W.M. K, U and Th in mid-ocean ridge basalt glasses and heat-production, K/U and K/Rb in the mantle. Nature 306 (1983) 431-436
66. Johnson M.C., and Plank T. Dehydration and melting experiments constrain the fate of subducted sediments. Geochem. Geophys. Geosyst. 1 (1999) 10.1029/1999GC000014
67. Kelley K.A., Plank T., Farr L., Ludden J., and Staudigel H. Subduction cycling of U, Th, and Pb. Earth Planet. Sci. Lett. 234 (2005) 369-383
68. Kelley K.A., Plank T., Ludden J., and Staudigel H. Composition of altered oceanic crust at ODP Sites 801 and 1149. Geochem. Geophys. Geosyst. 4 (2003) 8910 10.1029/2002GC000435
69. Kinzler R.J. Melting of mantle peridotite at pressures approaching the spinel to garnet transition: application to mid-ocean ridge basalt petrogenesis. J. Geophys. Res. 102 (1997) 853-874
70. Klein E.M., and Langmuir C.H. Global correlations of ocean ridge basalt chemistry with axial depth and crustal thickness. J. Geophys. Res. 92 (1987) 8089-8115
71. Klemme S., Blundy J.D., and Wood B.J. Experimental constraints on major and trace element partitioning during partial melting of eclogite. Geochim. Cosmochim. Acta 66 (2002) 3109-3123
72. Koetsier, G., and Elliott, T. (1999) Melting beneath São Miguel, Azores; inferences from U-Th-Pa Systematics. In J. Conf. Abstr., Cambridge, UK. pp. E03:4A10.
73. Kramers J.D., Roddick J.C.M., and Dawson J.B. Trace-element and isotope studies on veined, metasomatic and Marid xenoliths from Bultfontein, South-Africa. Earth Planet. Sci. Lett. 65 (1983) 90-106
74. Kramers J.D., and Tolstikhin I.N. Two terrestrial lead isotope paradoxes, forward transport modelling, core formation and the history of the continental crust. Chem. Geol. 139 (1997) 75-110
75. Lassiter J.C., and Hauri E.H. Osmium-isotope variations in Hawaiian lavas: evidence for recycled oceanic lithosphere in the Hawaiian plume. Earth Planet. Sci. Lett. 164 (1998) 483-496
76. Marini J.-C., Chauvel C., and Maury R.C. Hf isotope compositions of northern Luzon arc lavas suggest involvement of pelagic sediments in their source. Contrib. Mineral. Petrol. 149 (2005) 216-232
77. McBirney A.R., and Gass I.G. Relations of oceanic volcanic rocks to mid-oceanic rises and heat flow. Earth Planet. Sci. Lett. 2 (1967) 265
78. McCulloch M.T. The role of subducted slabs in an evolving Earth. Earth Planet. Sci. Lett. 115 (1993) 89-100
79. McDade P., Blundy J.D., and Wood B.J. Trace element partitioning on the Tinaquillo lherzolite solidus at 1.5 GPa. Phys. Earth Planet. Inter. 139 (2003) 129-147
80. McKenzie D., and O'Nions R.K. Partial melt distributions from inversion of rare-earth element concentrations. J. Petrol. 32 (1991) 1021-1091
81. McKenzie D., Stracke A., Blichert-Toft J., Albarède F., Grönvold K., and O'Nions R.K. Source enrichment processes responsible for isotopic anomalies in oceanic island basalts. Geochim. Cosmochim. Acta 68 (2004) 2699-2724
82. Miller D.M., Goldstein S.L., and Langmuir C.H. Cerium lead and lead-isotope ratios in arc magmas and the enrichment of lead in the continents. Nature 368 (1994) 514-520
83. Moore R.B. Volcanic geology and eruption frequency, São Miguel, Azores. Bull. Volcanol. 52 (1990) 602-614
84. Moore R.B., and Rubin M. Radiocarbon-dates for lava flows and pyroclastic deposits on São Miguel, Azores. Radiocarbon 33 (1991) 151-164
85. Moreira M., Doucelance R., Kurz M.D., Dupré B., and Allègre C.J. Helium and lead isotope geochemistry of the Azores Archipelago. Earth Planet. Sci. Lett. 169 (1999) 189-205
86. Niu Y., and O'Hara M.J. Origin of ocean island basalts: a new perspective from petrology, geochemistry and mineral physics considerations. J. Geophys. Res. 108 (2003) 2209 10.1029//2002JB002048
87. Norman M.D., and Garcia M.O. Primitive magmas and source characteristics of the Hawaiian plume: petrology and geochemistry of shield picrites. Earth Planet. Sci. Lett. 168 (1999) 27-44
88. Nowell G.M., Kempton P.D., Noble S.R., Fitton J.G., Saunders A.D., Mahoney J.J., and Taylor R.N. High precision Hf isotope measurement of MORB and OIB by thermal ionisation mass spectrometry: insights into the depleted mantle. Chem. Geol. 149 (1998) 211-233
89. Nowell G.M., Pearson D.G., Bell D.R., Carlson R.W., Smith C.B., Kempton P.D., and Noble S.R. Hf isotope systematics of kimberlites and their megacrysts: new constraints on their source regions. J. Petrol. 45 (2004) 1583-1612
90. Nunes, J.C., (1999) A actividade vulcânica na ilha do Pico do Plistocénico Superior ao Holocénico: mecanismo eruptivo e hazard vulcânico. Ph.D. thesis, Azores University.
91. Oversby V.M. Genetic relations among the volcanic rocks of Réunion: chemical and lead isotopic evidence. Goechim. Cosmochim. Acta 36 (1972) 1167-1179
92. Patchett J., White W.M., Feldmann H., Kielinczuk S., and Hofmann A.W. Hafnium/rare earth element fractionation in the sedimentary system and crustal recycling into the Earth's mantle. Earth Planet. Sci. Lett. 69 (1984) 365-378
93. Patchett P.J., Vervoort J.D., Söderlund U., and Salters V.J.M. Lu-Hf and Sm-Nd isotopic systematics in chondrites and their constraints on the Lu-Hf properties of the Earth. Earth Planet. Sci. Lett. 222 (2004) 29-41
94. Pearce J.A., Kempton P.D., Nowell G.M., and Noble S.R. Hf-Nd element and isotope perspective on the nature and provenance of mantle and subduction components in Western Pacific arc-basin systems. J. Petrol. 40 (1999) 1579-1611
95. Pearson D.G., Canil D., and Shirey S.B. Mantle samples included in volcanic rocks: xenoliths and diamonds. In: Carlson R.W. (Ed). The Mantle and the Core (2003), Elsevier-Pergamon, Oxford 171-276
96. Pertermann M., and Hirschmann M.M. Partial melting experiments on a MORB-like pyroxenite between 2 and 3 GPa: constraints on the presence of pyroxenite in basalt source regions from solidus location and melting rate. J. Geophys. Res.-Solid Earth 108 (2003) 2125 10.1029/2000JB000118
97. 238U disequilibria of historical Kilauea lavas (1790-1982) and the dynamics of mantle melting within the Hawaiian plume. Earth Planet. Sci. Lett. 186 (2001) 15-31
98. Plank T. Constraints from thorium/lanthanum on sediment recycling at subduction zones and the evolution of the continents. J. Petrol. 46 (2005) 921-944
99. Plank T., and Langmuir C.H. The chemical composition of subducting sediment and its consequences for the crust and mantle. Chem. Geol. 145 (1998) 325-394
100. Porcelli D., and Wasserburg G.J. Mass transfer of helium, neon, argon and xenon through a steady-state upper mantle. Geochim. Cosmchim. Acta 59 (1995) 4921-4937
101. Rocholl A., and Jochum K.P. Th, U and other trace-elements in carbonaceous chondrites: implications for the terrestrial and solar-system Th/U ratios. Earth Planet. Sci. Lett. 117 (1993) 265-278
102. Rosholt J.N., Zartman R.E., and Nkomo I.T. Lead isotope systematics and uranium depletion in Granite Mountains, Wyoming. Geol. Soc. Am. Bull. 84 (1973) 989-1002
103. Rudnick R.L., and Fountain D.M. Nature and composition of the continental crust: a lower crustal perspective. Rev. Geophys. 33 (1995) 267-309
104. Salters V.J.M., Blichert-Toft J., Fekiacova Z., Sachi-Kocher A., and Bizimis M. Isotope and tract element evidence for depleted lithosphere in the source of enriched Ko'olau basalts. Contrib. Mineral. Petrol. 151 (2006) 297-312
105. Salters V.J.M., and Longhi J. Trace element partitioning during the initial stages of melting beneath mid-ocean ridges. Earth Planet. Sci. Lett. 166 (1999) 15-30
106. Salters V.J.M., Longhi J.E., and Bizimis M. Near mantle solidus trace element partitioning at pressures up to 3.4 GPa. Geochem. Geophys. Geosyst. 3 (2002) 1038 10.1029/2001GC000148
107. Salters V.J.M., and White W.M. Hf isotope constraints on mantle evolution. Chem. Geol. 145 (1998) 447-460
108. 177Hf in the sub-oceanic mantle. Earth Planet. Sci. Lett. 129 (1995) 13-30
109. Schaefer B.F., Turner S., Parkinson I., Rogers N., and Hawkesworth C. Evidence for recycled Archaean oceanic mantle lithosphere in the Azores plume. Nature 420 (2002) 304-307
110. Scherer E., Münker C., and Mezger K. Calibration of the lutetium-hafnium clock. Science 293 (2001) 683-687
111. Schmidberger S.S., Simonetti A., Francis D., and Gariépy C. Probing Archean lithosphere using the Lu-Hf isotope systematics of peridotite xenoliths from Somerset Island kimberlites, Canada. Earth Planet. Sci. Lett. 197 (2002) 245-259
112. Schmidt M.W., Dardon A., Chazot G., and Vannucci R. The dependence of Nb and Ta rutile-melt partitioning on melt composition and Nb/Ta fractionation during subduction processes. Earth Planet. Sci. Lett. 226 (2004) 415-432
113. Sigmarsson G., Condomines M., and Bachèlery P. Magma residence time beneath the Piton de la Fournaise volcano, Réunion island, from U-series disequilibria. Earth Planet. Sci. Lett. 234 (2005) 223-234
114. Smith C.B. Pb, Sr and Nd isotopic evidence for sources of southern African Cretaceous kimberlites. Nature 304 (1983) 51-54
115. Snyder D.C., Widom E., Pietruszka A.J., and Carlson R.W. The role of open-system processes in the development of silicic magma chambers: a chemical and isotopic investigation of the Fogo A trachyte deposit, São Miguel. J. Petrol. 45 (2004) 723-738
116. 176Lu decay constant determined by Lu-Hf and U-Pb isotope systematics of Precambrian mafic intrusions. Earth Planet. Sci. Lett. 219 (2004) 311-324
117. Stacey J.S., and Kramers J.D. Approximation of terrestrial lead isotopic evolution by a two-stage model. Earth Planet. Sci. Lett. 26 (1975) 207-221
118. Staudigel H., and Schmincke H.-U. The Pliocene seamount series of La Palma, Canary Islands. J. Geophys. Res. 89 (1984) 1195-1215
119. Storey M., Wolff J.A., Norry M.J., and Marriner G.F. Origin of hybrid lavas from the Agua de Pau volcano, São Miguel, Azores. In: Saunders A.D., and Norry M.J. (Eds). Magmatism in the Ocean Basins (1989), Blackwell, London 161-180
120. Stracke A., Bizimis M., and Salters V.J.M. Recycling oceanic crust: quantitative constraints. Geochem. Geophys. Geosyst. 4 (2003) 8003 10.1029/2001GC000223
121. Stracke A., Hofmann A.W., and Hart S.R. FOZO, HIMU, and the rest of the mantle zoo. Geochem. Geophys. Geosyst. 6 (2005) Q05007 10.1029/2004GC000824
122. Sun S.-S., and McDonough W.F. Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. In: Saunders A.D., and Norry M.J. (Eds). Magmatism in the Ocean Basins (1989), Blackwell, London 313-345
123. Thirlwall M.F. Long-term reproducibility of multicollector Sr and Nd isotope ratio analysis. Chem. Geol. 94 (1991) 85-104
124. Turner S., Hawkesworth C., Rogers N., and King P. U-Th isotope disequilibria and ocean island basalt generation in the Azores. Chem. Geol. 139 (1997) 145-164
125. Vervoort J.D., Patchett P.J., Blichert-Toft J., and Albarède F. Relationships between Lu-Hf and Sm-Nd isotopic systems in the global sedimentary system. Earth Planet. Sci. Lett. 168 (1999) 79-99
126. Vroon P.Z., van Bergen M.J., Klaver G.J., and White W.M. Strontium, neodymium, and lead isotopic and trace-element signatures of the East Indonesian sediments: provenance and implications for Banda arc magma genesis. Geochim. Cosmochim. Acta 59 (1995) 2573-2598
127. Walker R.J., Carlson R.W., Shirey S.B., and Boyd F.R. Os, Sr, Nd, and Pb isotope systematics of southern African peridotite xenoliths: implications for the chemical evolution of subcontinental mantle. Geochim. Cosmochim. Acta 53 (1989) 1583-1595
128. Walter M.J. Melting of garnet peridotite and the origin of komatiite and depleted lithosphere. J. Petrol. 39 (1998) 29-60
129. Watts A.B., and ten Brink U.S. Crustal structure, flexure, and subsidence history of the Hawaiian-Islands. J. Geophys. Res. 94 (1989) 10473-10500
130. White W.M. The sources of ocean basalts: radiogenic isotopic evidence. Geology 13 (1985) 115-118
131. White W.M., Albarède F., and Télouk P. High-precision analysis of Pb isotope ratios by multi-collector ICP-MS. Chem. Geol. 167 (2000) 257-270
132. White W.M., and Duncan R. New evidence for deep mantle recycling. In: Basu A., and Hart S. (Eds). Earth processes: reading the isotopic code (1996), AGU, Washington, DC 183-206
133. White W.M., Dupré B., and Vidal P. Isotope and trace-element geochemistry of sediments from the Barbados Ridge Demerara Plain region, Atlantic-Ocean. Geochim. Cosmochim. Acta 49 (1985) 1875-1886
134. White W.M., and Hofmann A.W. Sr and Nd isotope geochemistry of oceanic basalts and mantle evolution. Nature 296 (1982) 821-825
135. White W.M., Tapia M.D.M., and Schilling J.G. Petrology and geochemistry of the Azores Islands. Contrib. Mineral. Petrol. 69 (1979) 201-213
136. Widom E., Carlson R.W., Gill J.B., and Schmincke H.-U. Th-Sr-Nd-Pb isotope and trace element evidence for the origin of the São Miguel, Azores, enriched mantle source. Chem. Geol. 140 (1997) 49-68
137. Widom E., and Farquhar J. Oxygen isotope signatures in olivines from São Miguel (Azores) basalts: implications for crustal and mantle processes. Chem. Geol. 193 (2003) 237-255
138. Widom E., Gill J.B., and Schmincke H.-U. Syenite nodules as a long-term record of magmatic activity in Agua de Pau Volcano, São Miguel, Azores. J. Petrol. 34 (1993) 929-953
139. Widom E., Schmincke H.-U., and Gill J.B. Processes and timescales in the evolution of a chemically zoned trachyte: Fogo-A, São Miguel, Azores. Contrib. Mineral. Petrol. 111 (1992) 311-328
140. Widom E., and Shirey S.B. Os isotope systematics in the Azores: implications for mantle plume sources. Earth Planet. Sci. Lett. 142 (1996) 451-465
141. Woodhead J.D., and Devey C.W. Geochemistry of the Pitcairn seamounts.1. Source character and temporal trends. Earth Planet. Sci. Lett. 116 (1993) 81-99
142. Woodhead J.D., Hergt J.M., Davidson J.P., and Eggins S.M. Hafnium isotope evidence for 'conservative' element mobility during subduction zone processes. Earth Planet. Sci. Lett. 192 (2001) 331-346
143. Woodhead J.D., and McCulloch M.T. Ancient seafloor signals in Pitcairn Island lavas and evidence for large-amplitude, small length-scale mantle heterogeneities. Earth Planet. Sci. Lett. 94 (1989) 257-273
144. Workman R.K., Hart S.R., Jackson M., Regelous M., Farley K.A., Blusztajn J., Kurz M.D., and Staudigel H. Recycled metasomatized lithopshere as the origin of the Enriched Mantle II (EMII) end-member: evidence from the Samoan volcanic chain. Geochm. Geophys. Geosys. 5 (2004) Q04008 10.1029/2003GC000623
145. Wright E., and White W.M. The origin of Samoa: new evidence from Sr, Nd, and Pb isotopes. Earth Planet. Sci. Lett. 81 (1987) 151-162
146. Yaxley G.M. Experimental study of the phase and melting relations of homogeneous basalt plus peridotite mixtures and implications for the petrogenesis of flood basalts. Contrib. Mineral. Petrol. 139 (2000) 326-338
147. Zartman R.E., and Haines S.M. The plumbotectonic model for Pb isotopic systematics among major terrestrial reservoirs: a case for bi-directional transport. Geochim. Cosmochim. Acta 52 (1988) 1327-1339
148. Zindler A., and Hart S. Chemical geodynamics. Annu. Rev. Earth Planet. Sci. 14 (1986) 493-571