Investigation of 238U-230Th-226Ra and 232Th-228Ra-228Th radioactive disequilibria in volcanic rocks from Trindade and Martin Vaz Islands (Brazil; Southern Atlantic Ocean)

Journal of Volcanology and Geothermal Research

Volumn 161, Issue 3, 2007, Pages 215-233

  Santos, Rosana N ^a,b   Marques, Leila S ^a  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

^b PONTIFÍCIA UNIVERSIDADE CATÓLICA DE SÃO PAULO   (Brazil)

Author keywords

238U and 232Th series; 238U 230Th 226Ra systematics; Morro Vermelho Formation age; radioactive disequilibrium; Trindade Island

Indexed keywords

CRYSTALLIZATION; FRACTIONATION; RADIUM; THORIUM; URANIUM;

ALKALINE VOLCANIC ROCKS; FRACTIONAL CRYSTALLIZATION; MINERAL ASSEMBLAGE FRACTIONATION; RADIOACTIVE DISEQUILIBRIUM;

VOLCANIC ROCKS;

ALKALINE ROCK; DISEQUILIBRIUM; FRACTIONAL CRYSTALLIZATION; MAGMA; PARTIAL MELTING; PHONOLITE; THORIUM; URANIUM;

ATLANTIC ISLANDS; ATLANTIC OCEAN; BRAZIL; SOUTH AMERICA; TRINDADE;

EID: 33846856490     PISSN: 03770273     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jvolgeores.2006.11.010     Document Type: Article

References (58)

1. 230Th systematics. Earth and Planetary Science Letters 28 (1976) 395-406
2. Allègre C.J., and Minster J.F. Quantitative models of trace element behavior in magmatic processes. Earth and Planetary Science Letters 38 (1978) 1-25
3. Almeida F.F. Geologia e Petrologia da Ilha da Trindade. Divisão de Geologia e Mineralogia, Departamento Nacional da Produção Mineral. Mapa geológico da Ilha da Trindade. Rio de Janeiro (1961) 197p.
4. 230Th) and the size and power output of magma chambers. Earth and Planetary Science Letters 236 (2005) 654-669
5. Blundy J., and Wood B. 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. Mineralogical Society of America. Review in Mineralogy and Geochemistry vol. 52 (2003) 655p.
6. 226Ra disequilibrium in volcanics: a new insight into melting conditions. Earth and Planetary Science Letters 126 (1994) 61-74
7. 226Ra disequilibria in the Lesser Antilles arc: implications for mantle metasomatism. Chemical Geology 153 (1999) 171-185
8. 230Th disequilibria and mantle melting processes: a discussion. Chemical Geology 162 (2000) 95-104
9. 238U radioactive disequilibria in tholeiites from the FAMOUS zone (Mid-Atlantic Ridge, 36°50′ N): Th and Sr isotopic geochemistry. Earth and Planetary Science Letters 55 (1981) 247-256
10. 238U disequilibria in historical lavas from Iceland. Earth and Planetary Science Letters 55 (1981) 393-406
11. 238U disequilibrium and trace elements systematics: the Etna case. Geochimica et Cosmochimica Acta 46 (1982) 1397-1416
12. Condomines M., Hermond C., and Allègre C.J. U-Th-Ra radioactive disequilibria and magmatic processes. Earth and Planetary Science Letters 90 (1988) 243-262
13. Cordani U.G. Idade do vulcanismo no Oceano Atlântico Sul. Boletim IGA 1 (1970) 9-76
14. De La Roche H., Leterrier P., Grandclaude P., and Marchal M. A classification of volcanic and plutonic rocks using R1-R2 diagram and major-element analyses. Its relationships with current nomenclatures. Chemical Geology 29 (1980) 183-210
15. Elliott T. Fractionation of U and Th during mantle melting: a reprise. Chemical Geology 139 (1997) 165-183
16. Fleisher R.L., and Raabe O.G. Recoiling alpha emitting nuclei. Mechanisms for uranium series disequilibrium. Geochimica et Cosmochimica Acta 42 (1978) 973-978
17. Gill J., and Condomines M. Short-lived radioactivity and magma genesis. Science 257 (1992) 1368-1376
18. Gill J.B., and Williams R.W. Th isotopes and U-series of subduction related volcanic rocks. Geochimica et Cosmochimica Acta 54 (1990) 1427-1442
19. Gill J.B., Pyle D., and Williams R.W. Igneous rocks. In: Ivanovich M., and Harmon R.S. (Eds). Uranium series disequilibrium: Applications to Earth, Marine, and Environmental Sciences. 2° Ed. (1992), Claredon Press, Oxford 910p.
20. Goldstein S.J., Murrell M.T., and Janecky D.R. Th and U isotopic systematics of basalt from the Juan de Fuca and Gorda ridges by mass spectrometry. Earth and Planetary Science Letters 96 (1989) 134-146
21. 230Th disequilibrium. Earth and Planetary Science Letters 109 (1992) 255-272 (Erratum)
22. Halliday A.N., Davies G.R., Lee D., Tommasini S., Paslick C., Fitton J.G., and James D.E. Lead isotope evidence for young trace element enrichment in the oceanic upper mantle. Nature 359 (1992) 623-627
23. 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 and Planetary Science Letters 133 (1995) 379-395
24. Hansen M.A.F., Viramonte J.G., Troian F.L., Mizusaki A.M.P., Becchio R., and Fensterseifer H.C. Nuevas edades para el volcanismo de las isles Trindade y Martín Vaz, Brasil. Sixth International Meeting: Colima Volcano México (1998) 26.1-28.1 Abstracts, 125p.
25. Hart R.J., Reid D.L., Stuckless J.S., and Welke H.J. Comparison of the three techniques for the determination of uranium and thorium in rocks. Chemical Geology 29 (1984) 350-354
26. Hawkesworth C., George R., Turner S., and Zellmer G. Time scales of magmatic processes. Earth and Planetary Science Letters 218 (2004) 1-16
27. Heath E., Turner S.P., Macdonald R., Hawkesworth C.J., and van Calsteren P. Long magma residence times at an island arc volcano (Soufriere, St. Vincent) in the Lesser Antilles: evidence from 238U-230Th isochron dating. Earth and Planetary Science Letters 160 (1998) 49-63
28. Hèmond C., Devey C.W., 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. Chemical Geology 115 (1994) 7-45
29. Hèmond C., Hofmann A.W., Heusser G., Condomines M., Raczek I., and Rhodes J.M. U-Th-Ra systematics in Kilauea and Mauna Loa basalts, Hawaii. Chemical Geology 116 (1994) 163-180
30. Ku T.L. The uranium-series methods of age determination. Annual Review of the Earth and Planetary Science 4 (1976) 347-379
31. Le Bas M.J., Le Maitre R.W., Streckeisen A., and Zanettin B. A chemical classification of volcanic rocks based on the total alkali-silica diagram. Journal of Petrology 27 (1986) 745-750
32. Le Roex A., Cliff R.A., and Adair B.J.I. Tristan da Cunha, South Atlantic: geochemistry and petrogenesis of a basanite-phonolite lava series. Journal of Petrology 31 (1990) 779-812
33. Lopes, R.P., 2002. O vulcanismo do Arquipélago de Fernando de Noronha, PE: Química mineral e geoquímica. Unpublished Thesis, IGc/USP, 168 p.
34. Lundstrom C.C., Hoernle K., and Gill J. U-series disequilibria in volcanic rocks from the Canary Islands: plume versus lithospheric melting. Geochimica et Cosmochimica Acta 67 21 (2003) 4153-4177
35. Marques, L.S., 2001. Geoquímica dos diques toleíticos da costa sul-sudeste do Brasil: contribuição ao conhecimento da Província Magmática do Paraná. Unpublished Thesis, IAG/USP, 86 p.
36. Marques L.S., Ulbrich M.N.C., Ruberti E., and Tassinari C.G. Petrology, geochemistry and Sr-Nd isotopes of the Trindade and Martin Vaz volcanics rocks (Southern Atlantic Ocean). Journal of Volcanology and Geothermal Research 93 (1999) 191-216
37. McDermott F., and Hawkesworth C. Th, Pb and Sr isotope variations in young island arc volcanics and oceanic sediments. Earth and Planetary Science Letters 104 (1991) 1-15
38. 238U disequilibrium and the melting processes beneath ridge axes. Earth and Planetary Science Letters 72 (1985) 149-157
39. 238U disequilibrium systematics in oceanic tholeiites from 21°N on the East Pacific Rise. Earth and Planetary Science Letters 65 (1983) 17-33
40. Oversby V.M., and Gast P.W. Lead isotope compositions and uranium decay series disequilibrium in recent volcanic rocks. Earth and Planetary Science Letters 5 (1968) 199-206
41. Peate D.W., and Hawkesworth C.J. U series disequilibria: insights into mantle melting and the timescales of magma differentiation. Reviews of Geophysics 43 (2005) 1-43
42. Ribeiro F.B., Roque A., Boggiani P.C., and Flexor J.-M. Uranium and thorium series disequilibrium in the Quaternary carbonate deposits from the Serra da Bodoquena and Pantanal do Miranda, Mato Grosso do Sul State, Central Brazil. Applied Radiation and Isotopes 54 1 (2001) 153-173
43. 2-rich thermal waters from the French Massif Central. Chemical Geology 182 (2002) 409-421
44. Rubin K.H., and Macdougall J.D. Th-Sr isotopic relationships in MORB. Earth and Planetary Science Letters 114 (1992) 149-157
45. 232Th nas rochas vulcânicas da Ilha da Trindade e de Martin Vaz. Geochimica Brasiliensis 14 1 (2000) 135-153
46. Santos R.N., Marques L.S., and Ribeiro F.B. Determination of uranium concentrations and activity ratios in silicates by alpha spectrometry: application to the volcanic rocks from the Trindade and Martin Vaz islands (Brazil). Applied Radiation and Isotopes 56 (2002) 741-751
47. Santos R.N., Marques L.S., Nicolai S.H.A., and Ribeiro F.B. Determination of thorium concentrations and activity ratios in silicates rocks by alpha spectrometry. Applied Radiation and Isotopes 60 (2004) 89-97
48. Shaw D.M. Trace elements fractionation during anatexis. Geochimica et Cosmochimica Acta 34 (1970) 237-243
49. Siebel W., Becchio R., Volker F., Hansen M.A.F., Viramonte J., Trumbull R.B., Haase G., and Zimmer M. Trindade and Martin Vaz Islands, South Atlantic: isotopic (Sr, Nd, Pb) and trace element constraints on plume related magmatism. Journal of South American Earth Sciences 13 (2000) 79-103
50. Sigmarsson O., Carn S., and Carracedo J.C. Systematics of U-series nuclides in primitive lavas from the 1730-36 eruption on Lanzarote, Canary Islands, and implications for the role of garnet pyroxenites during oceanic basalts formations. Earth and Planetary Science Letters 162 (1998) 137-151
51. Sun, S.-S., McDonough, W.F., 1989. Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes. In: Saunders, A.D., Noeey, M.J. (Eds.), Magmatism in the Ocean Basins. Geological Society of London, Special publication 42, 313-345.
52. Thompson R.N., Gibson S.A., Mitchell J.G., Dickin A.P., Leonardos O.H., Brod J.A., and Greenwood J.C. Migrating Cretaceous-Eocene magmatism in the Serra do Mar Alkaline Province, SE Brazil: melts from the deflected Trindade mantle plume?. Journal of Petrology 39 (1998) 1493-1526
53. Turner S., Hawkesworth C., Rogers N., and King P. U-Th isotope disequilibria and ocean island basalt generation in the Azores. Chemical Geology 139 (1997) 145-164
54. Ulbrich, M.N.C., Marques, L.S., Lopes, R.P., 2004. As ilhas vulcânicas brasileiras: Fernando de Noronha e Trindade. In: Geologia do continente Sul-Americano: Evolução da obra de Fernando Flávio Marques de Almeida. Mantesso-Neto, V., Bartorelli, A., Carneiro, C.D.R., Brito-Neves, B.B., Beca Produções Culturais Ltda, São Paulo, Brasil.
55. Weaver B.L. Geochemistry of highly-undersaturated ocean island suites from the South Atlantic Ocean: Fernando de Noronha and Trindade islands. Contributions to Mineralogy and Petrology 105 (1990) 502-515
56. Weaver B.L., Wood D.A., Tarney J., and Joron J.L. Geochemistry of ocean island basalts from South Atlantic: Ascension, Bouvet, St. Helena, Gough and Tristan da Cunha. Alkaline Igneous Rocks, Geological Society Special Publication vol. 30 (1987) 256-267
57. Williams R.W., and Gill J.B. Th isotope and U-series disequilibria in some alkali basalts. Geophysical Research Letters 19 2 (1992) 139-142
58. Williamson J.H. Least-squares fitting of a straight line. Canadian Journal of Physics 44 (1968) 1079-1086