Symmetrical Helium isotope distribution on the Cameroon Volcanic Line, West Africa

Chemical Geology

Volumn 203, Issue 3-4, 2004, Pages 205-223

  Aka, Festus T ^a   Nagao, Keisuke ^b   Kusakabe, Minoru ^c   Sumino, Hirochika ^b   Tanyileke, Greg ^d   Ateba, Bekoa ^a   Hell, Joseph ^d  

^a Inst of Mining/Geol Res (IRGM)   (Cameroon)

^b UNIVERSITY OF TOKYO   (Japan)

^c OKAYAMA UNIVERSITY   (Japan)

^d Institute of Mining and Geological Research IRGM   (Cameroon)

Author keywords

Cameroon Volcanic Line; High ; Metasomatism; MORB source isolation; Primitive plume derived melts

Indexed keywords

GEOCHEMISTRY; HELIUM ISOTOPE; ISOTOPIC RATIO; MANTLE CHEMISTRY; VOLCANIC ROCK;

AFRICA; CAMEROON; SUB-SAHARAN AFRICA; WEST AFRICA;

EID: 1342289450     PISSN: 00092541     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.chemgeo.2003.10.003     Document Type: Article

References (71)

1. Aka, F.T., 2000. Noble gas systematics and K-Ar Chronology: implications on the geotectonic evolution of the Cameroon Volcanic Line, West Africa, PhD thesis, Univ. Okayama, Japan. 175 pp.
2. Aka F.T. Kusakabe M.K. Nagao K. Tanyileke G. Noble gas isotopic compositions and water/gas chemistry of soda springs from the islands of Bioko, São Tomé and Annobon, along the Cameroon Volcanic Line, West Africa Appl. Geochem. 16 2001 323-338
3. 3He in natural sources of helium Phys. Rev. 74 1948 1590-1594
4. Allègre C.J. Staudacher Th. Sarda P. Rare gas systematics: formation of the atmosphere, evolution and structure of the earth's mantle Earth Planet. Sci. Lett. 81 1987 127-150
5. Andrews J.N. The isotopic composition of radiogenic helium and its use to study groundwater movement in confined aquifers Chem. Geol. 49 1985 339-351
6. Ballentine C.J. Lee D.-C. Halliday A.N. Hafnium isotopic studies of the Cameroon Line and new HIMU paradoxes Chem. Geol. 139 1997 111-124
7. Barfod D.N. Ballentine C. Halliday A.N. Correlated He-Pb Isotope Systematics of the Cameroon Line Volcanic chain EOS (American Geophysical Union), F940 1998
8. Barfod D.N. Ballentine C.J. Halliday A.N. Fitton J.G. Noble gases in the Cameroon Line and the He, Ne, and Ar isotopic composition of high-μ (HIMU) mantle J. Geophys. Res. 104 1999 29509-29527
9. Condomines M. Gronvold K. Hooker P.J. Muehlenbachs K. O'Nions R.K. Oskarsson N. Oxburgh E.R. Helium, oxygen, strontium and neodymium isotopic relationships in Icelandic volcanics Earth Planet. Sci. Lett. 66 1983 125-136
10. Cox K.G. Bell J.D. Pankhurst R.J. The Interpretation of Igneous Rocks 1979 G. Allen - Unwin
11. Dautria J.-M. Girod M. Les enclaves de lherzolites a spinelle et plagioclase du volcan de Dibi (Adamaoua, Cameroun): des temoins d'un manteau supérieur anormal Bull. Mineral. 109 1986 275-288
12. Déruelle B. Moreau C. Nkoubou C. Kambou R. Lissom J. Njonfang E. Ghogomu R.T. Nono A. The Cameroon Line: A review Kampunzu A.B. Lubala R.T Magmatism in extentional structural settings: the Phanerozoic African plate 1991 275-327 Springer Berlin
13. Dodson A. Depaolo D.J. Kennedy B.M. Helium isotopes in lithospheric mantle: evidence from tertiary basalts of the western USA Geochim. Cosmochim. Acta 62 1998 3775-3787
14. Dunai T.J. Baur H. Helium, neon and argon systematics of the European subcontinental mantle: implications for its geochemical evolution Geochim. Cosmochim. Acta 59 1995 2767-2783
15. 39Ar dated basalt flows at 29 °N latitude Earth Planet. Sci. Lett. 176 2000 147-156
16. Farley K.A. Natland J.H. Craig H. Binary mixing of enriched and undegassed (primitive?) mantle components (He, Sr, Nd, Pb) in Samoan lavas Earth Planet. Sci. Lett. 111 1992 183-199
17. Firestone R.B. Shirley V.S. Table of Isotopes vol. 1 1996 Wiley Interscience NY
18. Fitton J.D. Dunlop H.M. The Cameroon Line, West Africa and its bearing on the origin of oceanic and continental alkali basalts Earth Planet. Sci. Lett. 72 1985 23-38
19. Fitton J.G. Hughes D.J. Strontian melilite in nephelinite lava from Etinde, Cameroon Mineral. Mag. 44 1981 261-264
20. Fitton J.D. Kilburn C.R.J. Thirwall M.F. Hughes D.J. 1982 eruption of Mt. Cameroon, West Africa Nature 306 1983 327-332
21. Gautheron C. Moreira M. Helium signature of the subcontinental lithospheric mantle Earth Planet. Sci. Lett. 199 2002 39-47
22. Graham D.W. Humphris S.E. Jenkins W.J. Kurz M.D. Helium isotope geochemistry of some volcanic rocks from Saint Helena Earth Planet. Sci. Lett. 110 1992 121-131
23. Graham D.W. Jenkins W.J. Schilling J.G. Thompson G. Kurz M.D. Humphris S.E. Helium isotope geochemistry of mid-ocean ridge basalts from the South Atlantic Earth Planet. Sci. Lett. 110 1992 133-147
24. Graham D.W. Larsen L.M. Hanan B.B. Storey M. Pedersen A.K. Lupton J.E. Helium isotope composition of the early Icelandic mantle plume inferred from the Tertiary picrites of West Greenland Earth Planet. Sci. Lett. 160 1998 241-255
25. Halliday A.N. Dicken A.P. Fallick A.E. Fitton J.D. Mantle dynamics: A Nd, Sr, Pb and O isotope study of the Cameroon Line volcanic chain J. Petrol. 29 1988 181-211
26. Halliday A.N. Davidson J.P. Holden P. DeWolf C. Lee D.-C. Fitton J.G. Trace-element fractionation in plumes and the origin of HIMU mantle beneath the Cameroon line Nature 347 1990 523-528
27. 4He ratios of HIMU basalts as evidence for their origin as recycled materials Nature 390 1997 273-276
28. Hanyu T. Kaneoka I. Open system behavior of helium in case of the HIMU source Geophys. Res. Lett. 25 5 1998 687-690
29. Hart S.R. He diffusion in olivine Earth Planet. Sci. Lett. 70 1984 297-302
30. Hilton D.R. Hammerscmidt K. Loock G. Friendrichsen H. Helium and argon isotope systematics of the central Lau Basin and Valu Fa Ridge: evidence of crust/mantle interactions in the back-arc basin Geochim. Cosmochim. Acta 57 1993 2819-2841
31. Hilton D.R. Barling J. Wheller G.E. Effects of shallow-level contamination on the helium isotope systematics of ocean-island lavas Nature 373 1995 330-333
32. 4H ratios in northwest Iceland: constraining the common component in mantle plumes Earth Planet. Sci. Lett. 173 1999 53-60
33. Hofmann A.W. Chemical differentiation of the earth: the relationship between mantle, continental crust, and oceanic crust Earth Planet. Sci. Lett. 90 1988 297-314
34. Hofmann A.W. Mantle geochemistry: the message from oceanic volcanism Nature 385 1997 219-229
35. Jochum K.P. Hofman A.W. Ito E. Seufert H.M. White W.M. K, U, and Th in mid-ocean ridge basalt glasses and heat production, K/U and K/Rb ratios in the mantle Nature 306 1983 431-436
36. Kamber B.S. Collerson K.D. Origin of oceanic island basalts: a new model based on lead and helium isotope systematics J. Geophys. Res. 104 1999 25479-25491
37. Kurz M.D. Cosmogenic helium in terrestrial igneous rocks Nature 320 1986 435-439
38. Kurz M.D. Jenkins W.J. Hart S.R. Helium isotope systematics of oceanic islands and mantle heterogeneity Nature 297 1982 43-47
39. 2 Degassing I J. Volcanol. Geotherm. Res. vol. 39 1989 167-185
40. Lee D.-C. Halliday A.N. Fitton J.G. Poli G. Isotopic variation with distance and time in the volcanic islands of the Cameroon line: evidence for a mantle plume origin Earth Planet. Sci. Lett. 123 1994 119-138
41. Lee D.-C. Halliday A.N. Gareth R.D. Essene E.J. Fitton J.G. Temdjim R. Melt enrichment of shallow depleted mantle: a detailed petrological, trace element and isotopic study of mantle-derived xenoliths and megacrysts from the Cameroon Line J. Petrol. 37 1996 415-441
42. Marty B. Pik R. Gezahegn Y. Helium isotope variations in Ethiopian plume lavas: nature of magmatic sources and limit on lower mantle contribution Earth Planet. Sci. Lett. 144 1996 223-237
43. 39Ar dates, petrology, Sr-Nd-O isotopes and their petrogenetic significance Contrib. Mineral. Petrol. 135 1999 133-150
44. Marzoli A. Piccirillo E.M. Renne P.R. Bellieni G. Iacumin M. Nyobe J.B. Aka F.T. The Cameroon Volcanic Line revisited: petrogenesis of continental basaltic magmas from lithospheric and asthenospheric mantle sources J. Petrol. 41 2000 87-109
45. 4He ratio of the new internal He standard of Japan Geochem. J. 36 2002 191-195
46. Matsumoto T. Honda M. McDougal I. O'Reilly S.Y. Noble gases in anhydrous Iherzolites from the Newer Volcanics, southeastern Australia: MORB-like reservoir in the sub continental mantle Geochim. Cosmochim. Acta 62 1998 2521-2533
47. Moreira M. Kurz M.D. Subducted oceanic lithosphere and the origin of the 'high μ' basalt helium isotopic signature Earth Planet. Sci. Lett. 189 2001 49-57
48. Morgan J.W. Hotspot tracts and the early rifting of the Atlantic Tectonophysics 94 1983 123-139
49. Morin D. Corriveau L. Fragmentation processes and xenolith transport in proterozoic minette dyke, Grenville Province, Quebec Contrib. Mineral. Petrol. 125 1996 319-331
50. Morrison P. Pine J. Radiogenic origin of the helium isotopes in rock Ann. N. Y. Acad. Sci. 62 1955 71-92
51. Nagao K. Ogata A. Miura Y.N. Yamaguchi K. Ar isotope analysis for K-Ar dating using two modified-VG5400 mass spectrometers-1: isotope dilution method J. Mass Spectrom. Soc. Jpn. 44 1996 39-61
52. Nkoumbou C. Déruelle B. Velde D. Petrology of Mt. Etinde Nephelinite series J. Petrol. 36 1995 373-395
53. O'Connor J.M. Le Roex A.P. South Atlantic hot spot-plume systems: 1. Distribution of Volcanism in time and space Earth Planet. Sci. Lett. 113 1992 343-364
54. 4He ratios and cosmogenic helium in ultramafic xenoliths Chem. Geol. 64 1987 25-33
55. Poreda R.J. Farley K.A. Rare gases in Samoan xenoliths Earth Planet. Sci. Lett. 113 1992 129-144
56. Reid M. Graham D.W. Resolving lithospheric and sub-lithospheric contributions to helium isotope variations in basalts from the southwestern US Earth Planet. Sci. Lett. 144 1996 213-222
57. Ryan J.G. Langmuir C.H. The systematics of lithium abundances in young volcanic rocks Geochim. Cosmochim. Acta 51 1987 1727-1741
58. Sano Y. Sasaki S. Nagao K. Noble gas isotopes and chemical compositions in gas seeps from Northwestern Cameroon Bull. Volcanol. Soc. Jpn. 37 1992 85-93
59. Scarfe C.M. Brearly M. Mantle xenoliths: melting and dissolution studies under volatile-free conditions Nixon P. Mantle Xenoliths 1987
60. Scarsi P. Craig H. Helium isotope ratios in Ethiopian Rift basalts Earth Planet. Sci. Lett. 144 1996 505-516
61. Sigurdsson H. Devine I.D. Tchoua F.M. Presser T.S. Pringle M.K. Evans W.C. Origine of the lethal gas burst from Lake Monoun Cameroon J. Volcanol. Geotherm. Res. 31 1987 1-16
62. Staudacher T. Scarsi P. Allègre C.J. Noble gas systematics of Réunion Island Indian Ocean. Chem. Geol. 89 1990 1-17
63. Takaoka N. Konno K. Oba Y. Konda T. K-Ar dating of lavas from Zao volcano, Northeastern Japan J. Geol. Soc. Japan 95 1989 157-170
64. Tanyileke G. Kusakabe M. Evans W.C. Chemical and isotopic characteristics of fluids along the Cameroon Volcanic Line, Cameroon J. Afr. Earth Sci. 22 1996 433-441
65. Thirwall M.F. Pb isotope and elemental evidence for OIB derivation from young HIMU mantle Chem. Geol. 139 1997 51-74
66. 4He mobility in olivine and clinopyroxene at magmatic temperatures Geochim. Cosmochim. Acta 57 1993 1313-1324
67. Valbracht P.J. Honda M. Matsumoto T. Mattielli N. McDougall I. Ragettli R. Weiss D. Helium, neon and argon isotope systematics in Kerguelen ultramafic xenoliths: implications for mantle source signatures Earth Planet. Sci. Lett. 138 1996 29-38
68. Vance D. Stone J.O.H. O'Nions R.K. He, Sr and Nd isotopes in xenoliths from Hawaii and other oceanic islands Earth Planet. Sci. Lett. 96 1989 147-160
69. Wilson M. Magmatism and continental rifting during the opening of the South Atlantic Ocean: a consequence of Lower Cretaceous super-plume activity? Storey B.C. Alabaster T. Pankhurst R.J. Magmatism and the causes of continental Break-up Geol. Soc. Spec. Publ. vol. 68 1992 241-255
70. Wilson M. Guiraud R. Magmatism and rifting in West and Central Africa from Late Jurassic to Recent Times Tectonophysics 213 1992 203-225
71. Zindler A. Hart S. Chemical Geodynamics Ann. Rev. Earth Planet. Sci. 14 1986 493-571