Noble gas compositions of the lithospheric mantle below the Chyulu Hills volcanic field, Kenya

Earth and Planetary Science Letters

Volumn 261, Issue 3-4, 2007, Pages 635-648

  Hopp, Jens ^a   Trieloff, Mario ^a   Altherr, Rainer ^a  

^a UNIVERSITY OF HEIDELBERG   (Germany)

Author keywords

Kenya rift; mantle plume; noble gas isotopes; subcontinental lithosphere

Indexed keywords

MANTLE PLUME; NOBLE GAS ISOTOPES; SUBCONTINENTAL LITHOSPHERE;

AFRICA; ARGON; ATMOSPHERIC CHEMISTRY; HELIUM; INERT GASES; ISOTOPES;

GEOCHEMISTRY;

GRABEN; ISOTOPIC COMPOSITION; ISOTOPIC RATIO; LITHOSPHERIC STRUCTURE; MANTLE CHEMISTRY; MANTLE PLUME; MANTLE SOURCE; MID-OCEAN RIDGE BASALT; NOBLE GAS; XENOLITH;

AFRICA; CHYULU HILLS; EAST AFRICA; KENYA; RIFT VALLEY; SUB-SAHARAN AFRICA;

EID: 34548487974     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2007.07.027     Document Type: Article

References (80)

1. Altherr, R., Garasic, V., Ulianov, A., Kalt, A., in revision. Mantle xenoliths from the Chyulu Hills Volcanic Province (Kenya, East African Rift system): Constraints on lithospheric evolution and magma genesis. J. Petrol. in revision.
2. Baker B.H. Outline of the petrology of the Kenya rift alkaline province. In: Fitton J.G., and Upton B.G.J. (Eds). Alkaline Igneous Rocks. Geol. Soc. London Sp. Publ. 30 (1987) 293-311
3. Ballentine C.J., Burgess R., and Marty B. Tracing fluid origin, transport and interaction in the crust. In: Porcelli D.R., Ballentine C.J., and Wieler R. (Eds). Noble Gases in Geochemistry and Cosmochemistry. Reviews in Mineralogy and Geochemistry vol. 47 (2002) 539-614
4. Ballentine C.J., Marty B., Sherwood Lollar B., and Cassidy M. Neon isotopes constrain convection and volatile origin in the Earth's mantle. Nature 433 (2005) 33-38
5. Barfod D.N., Ballentine C.J., Halliday A.N., and Fitton J.G. Noble gases in the Cameroon line and the He, Ne, and Ar isotopic compositions of high μ (HIMU) mantle. J. Geophys. Res. 104 (1999) 29509-29527
6. Bell K., and Tilton G.R. Nd, Pb and Sr isotopic compositions of East African carbonatites: evidence for mantle mixing and plume inhomogeneity. J. Petrol. 42 (2001) 1927-1945
7. Benoit M.H., Nyblade A.A., and VanDecar J.C. Upper mantle P-wave speed variations beneath Ethiopia and the origin of the Afar hotspot. Geology 34 (2006) 329-332
8. Buikin A.I., Trieloff M., Hopp J., Althaus T., Korochantseva E.V., Schwarz W.H., and Altherr R. Noble gas isotopes suggest deep mantle plume source of late Cenozoic mafic alkaline volcanism in Europe. Earth Planet. Sci. Lett. 230 (2005) 143-162
9. 3He in the sea: evidence for terrestrial primordial helium. Earth Planet. Sci. Lett. 6 (1969) 213-220
10. Darling W.G., Griesshaber E., Andrews J.N., Armannsson H., and O'Nions R.K. The origin of hydrothermal and other gases in the Kenyan Rift Valley. Geochim. Cosmochim. Acta 59 (1995) 2501-2512
11. 3He/(U + Th) source in the mantle beneath continents. Geology 33 (2005) 733-736
12. Debayle E., Lévêque J.-J., and Cara M. Seismic evidence for a deeply rooted low-velocity anomaly in the upper mantle beneath the northeastern Afro/Arabian continent. Earth Planet. Sci. Lett. 193 (2001) 423-436
13. Drescher J., Kirsten T., and Schäfer K. The rare gas inventory of the continental crust, recovered by the KTB Continental Deep Drilling Project. Earth Planet. Sci. Lett. 154 (1998) 247-263
14. Dunai T.J., and Porcelli D.R. Storage and transport of noble gases in the subcontinental lithosphere. In: Porcelli D.R., Ballentine C.J., and Wieler R. (Eds). Noble Gases in Geochemistry and Cosmochemistry. Reviews in Mineralogy and Geochemistry vol. 47 (2002) 237-249
15. Ebinger C.J., Bechel T.D., Forsyth D.W., and Bowin C.O. Effective elastic thickness beneath the East African and Afar plateaus and dynamic compensation of uplift. J. Geophys. Res. 94 (1989) 2883-2901
16. Ebinger C.J., and Sleep N.H. Cenozoic magmatism throughout East Africa resulting from impact of a single plume. Nature 395 (1998) 788-791
17. Furman T., and Graham D. Erosion of lithospheric mantle beneath the East African Rift system: geochemical evidence from the Kivu volcanic province. Lithos 48 (1999) 237-262
18. Furman T., Kaleta K.M., Bryce J.G., and Hanan B.B. Tertiary mafic lavas of Turkana, Kenya: constraints on East African plume structure and the occurrence of high-μ volcanism in Africa. J. Petrol. 47 (2006) 1221-1244
19. Gautheron C., and Moreira M. Helium signature of the subcontinental lithospheric mantle. Earth Planet. Sci. Lett. 199 (2002) 39-47
20. Graham, D.W., Noble gas isotope geochemistry of Mid-Ocean ridge and Ocean Island basalts: Characterization of mantle source reservoirs, in: Porcelli, D.R., Ballentine, C.J., Wieler, R. (Eds.), Noble gases in geochemistry and cosmochemistry. Reviews in Mineralogy and Geochemistry, vol. 47, pp. 247-318.
21. 4He ratios of HIMU basalts as evidence for their origin as recycled materials. Nature 390 (1997) 273-276
22. Hanyu T., Dunai T.J., Davies G.R., Kaneoka I., Nohda S., and Uto K. Noble gas study of the Réunion hotspot: evidence for distinct less-degassed mantle sources. Earth Planet. Sci. Lett. 193 (2001) 83-98
23. Haug G.H., and Strecker M.R. Volcano-tectonic evolution of the Chyulu Hills and implications for the regional stress field in Kenya. Geol. 23 (1995) 165-168
24. Henjes-Kunst F., and Altherr R. Metamorphic petrology of xenoliths from Kenya and northern Tanzania and implications for geotherms and lithospheric structures. J. Petrol. 33 (1992) 1125-1156
25. Hilton D.R., Gronvold K., Sveinbjornsdottir A.E., and Hammerschmidt K. Helium isotope evidence for off-axis degassing of the Icelandic hotspot. Chem. Geol. 149 (1998) 173-187
26. Hiyagon H., Ozima M., Marty B., Zashu S., and Sakai H. Noble gases in submarine glasses from mid-ocean ridges and Loihi seamount: constraints on the early history of the Earth. Geochim. Cosmochim. Acta 56 (1992) 1301-1316
27. Holland G., and Ballentine C.J. Seawater subduction controls the heavy noble gas composition of the mantle. Nature 441 (2006) 186-191
28. Honda M., McDougall I., Patterson D.B., Doulgeris A., and Clague D.A. Possible solar noble-gas component in Hawaiian basalts. Nature 349 (1991) 149-151
29. Hopp J., Trieloff M., and Altherr R. Ne isotopes in mantle rocks from the Red Sea region reveal large scale plume-lithosphere interaction. Earth Planet. Sci. Lett. 219 (2004) 61-76
30. Hopp J., and Trieloff M. Refining the noble gas record of the Réunion mantle plume source: implications on mantle geochemistry. Earth Planet. Sci. Lett. 240 (2005) 573-588
31. Hopp J., Trieloff M., Buikin A.I., Korochantseva E.V., Schwarz W.H., Althaus T., and Altherr R. Heterogeneous mantle argon isotope composition in the subcontinental lithospheric mantle beneath the Red Sea region. Chem. Geol. 240 (2007) 36-53
32. Kalt A., Hegner E., and Satir M. Nd, Sr, and Pb isotopic evidence for diverse lithospheric mantle sources of East African Rift carbonatites. Tectonophysics 278 (1997) 31-45
33. Kunz J., Staudacher T., and Allègre C.J. Plutonium-fission xenon found in Earth's mantle. Science 280 (1998) 877-880
34. Kurz M.D., Moreira M., Curtice J., Lott III D.E., Mahoney J.J., and Sinton J.M. Correlated helium, neon, and melt production on the super-fast spreading East Pacific Rise near 17°S. Earth Planet. Sci. Lett. 232 (2005) 125-142
35. Lux G. The behaviour of noble gases in silicate liquids: solution, diffusion, bubbles and surface effects, with applications to natural samples. Geochim. Cosmochim. Acta 51 (1987) 1549-1560
36. Macdonald R., Rogers N.W., Fitton J.G., Black S., and Smith M. Plume-lithosphere interactions in the generation of the basalts of the Kenya Rift, East Africa. J. Petrol. 42 (2001) 877-900
37. Marty B. Neon and xenon isotopes in MORB: implications for the earth-atmosphere evolution. Earth Planet. Sci. Lett. 94 (1989) 45-56
38. Marty B., Pik R., and Gezahegn Y. Helium isotopic variations in Ethiopian plume lavas: nature of magmatic sources and limit on lower mantle contribution. Earth Planet. Sci. Lett. 144 (1996) 223-237
39. Marty B., Tolstikhin I., Kamensky I.L., Nivin V., Balaganskaya E., and Zimmermann J.-L. Plume-derived rare gases in 380 Ma carbonatites from the Kola region (Russia) and the argon isotopic composition in the deep mantle. Earth Planet. Sci. Lett. 164 (1998) 179-192
40. Matsumoto T., Honda M., McDougall I., Yatsevich I., and O'Reilly S.Y. Plume-like neon in a metasomatic apatite from the Australian lithospheric mantle. Nature 388 (1997) 162-164
41. Matsumoto T., Honda M., McDougall I., and O'Reilly S.Y. Noble gases in anhydrous lherzolites from the Newer Volcanics, southeastern Australia: a MORB-like reservoir in the subcontinental mantle. Geochim. Cosmochim. Acta 62 (1998) 2521-2533
42. Matsumoto T., Honda M., McDougall I., O'Reilly S.Y., Norman M., and Yaxley G. Noble gases in pyroxenites and metasomatised peridotites from the Newer Volcanics, southeastern Australia: implications for mantle metasomatism. Chem. Geol. 168 (2000) 49-73
43. Matsumoto T., Chen Y., and Matsuda J. Concomitant occurence of primordial and recycled noble gases in the Earth's mantle. Earth Planet. Sci. Lett. 185 (2001) 35-47
44. Matsumoto T., Morishita T., Matsuda J., Fujioka T., Takebe M., Yamamoto K., and Arai S. Noble gases in the Finero phlogopite-peridotites, western Italian Alps. Earth Planet. Sci. Lett. 238 (2005) 130-145
45. McDougall I., and Watkins R.T. Potassium-argon ages of volcanic rocks from the northeast of Lake Turkana, northern Kenya. Geol. Mag. 125 (1988) 15-23
46. Moreira M., Staudacher T., Sarda P., Schilling J.G., and Allègre C.J. A primitive plume neon component in MORB: the Shona ridge-anomaly, South Atlantic (51-52°S). Earth Planet. Sci. Lett. 133 (1995) 367-377
47. Moreira M., Valbracht P.J., Staudacher T., and Allègre C.J. Rare gas systematics in Red Sea ridge basalts. Geophys. Res. Lett. 23 (1996) 2453-2456
48. Moreira M., and Allègre C.J. Helium-neon systematics and the structure of the mantle. Chem. Geol. 147 (1998) 53-59
49. Moreira M., Kunz J., and Allègre C.J. Rare gas systematics in Popping Rock: isotopic and elemental compositions in the upper mantle. Science 279 (1998) 1178-1181
50. Moreira M., Breddam K., Curtice J., and Kurz M.D. Solar neon in the Icelandic mantle: new evidence for an undegassed lower mantle. Earth Planet. Sci. Lett. 185 (2001) 15-23
51. Morley C.K. Tectonic evolution of the East African Rift system and the modifying influence of magmatism: a review. Acta Vulcanol. 11 (1999) 1-19
52. Niedermann S., Bach W., and Erzinger J. Noble gas evidence for a lower mantle component in MORBs from the southern East Pacific Rise: decoupling of helium and neon isotope systematics. Geochim. Cosmochim. Acta 61 (1997) 2697-2715
53. Niedermann S., and Bach W. Anomalously nucleogenic neon in North Chile Ridge basalt glasses suggesting a previously degassed mantle source. Earth Planet. Sci. Lett. 160 (1998) 447-462
54. Novak O., Ritter J.R.R., Altherr R., Garasic V., Volker F., Kluge C., Kaspar T., Byrne G.F., Sobolev S.V., and Fuchs K. An integrated model for the deep structure of the Chyulu Hills volcanic field, Kenya. Tectonophysics 287 (1997) 187-209
55. Nyblade A.A., Owens T.J., Gurrola H., Ritsema J., and Langston C.A. Seismic evidence for a deep upper mantle thermal anomaly beneath East Africa. Geology 28 (2000) 599-602
56. Ozima M., and Podosek F.A. Noble Gas Geochemistry. 2nd ed. (2002), Cambridge University press, Cambridge
57. Pik R., Deniel C., Coulon C., Yirgu G., and Marty B. Isotopic and trace element signatures of Ethiopian flood basalts: evidence for plume-lithosphere interactions. Geochim. Cosmochim. Acta 63 (1999) 2263-2279
58. Pik R., Marty B., and Hilton D.R. How many mantle plumes in Africa? The geochemical point of view. Chem. Geol. 226 (2006) 100-114
59. Poreda R.J., and Farley K.A. Rare gases in Samoan xenoliths. Earth Planet. Sci. Lett. 113 (1992) 129-144
60. Rogers N., Macdonald R., Fitton J.G., George R., Smith M., and Barreiro B. Two mantle plumes beneath the East African rift system: Sr, Nd and Pb isotope evidence from Kenya Rift basalts. Earth Planet. Sci. Lett. 176 (2000) 387-400
61. 230Th disequilibrium in recent basalts and dynamic melting beneath the Kenya rift. Chem. Geol. 234 (2006) 148-168
62. Sarda P., Staudacher T., and Allègre C.J. Neon isotopes in submarine basalts. Earth Planet. Sci. Lett. 91 (1988) 73-88
63. Sarda P., Moreira M., and Staudacher T. Rare gas systematics on the southernmost Mid-Atlantic Ridge: constraints on the lower mantle and the Dupal source. J. Geophys. Res. 105 (2000) 5973-5996
64. Scarsi P., and Craig H. Helium isotope ratios in Ethiopian Rift basalts. Earth Planet. Sci. Lett. 144 (1996) 505-516
65. 4He measured ratio. Geochim. Cosmochim. Acta 64 (2000) 3751-3762
66. Sebai A., Stutzmann E., Montagner J.-P., Sicilia D., and Beucler E. Anisotropic structure of the African upper mantle from Rayleigh and Love wave tomography. Phys. Earth Planet. Inter. 155 (2006) 48-62
67. Späth A., Le Roex A.P., and Opiyo-Akech N. Plume-lithosphere interaction and the origin of continental rift-related alkaline volcanism - the Chyulu Hills Volcanic Province, southern Kenya. J. Petrol. 42 (2001) 765-787
68. Staudacher T., and Allègre C.J. Terrestrial xenology. Earth Planet. Sci. Lett. 60 (1982) 389-406
69. Staudacher T., Sarda P., and Allègre C.J. Noble gas systematics of Réunion Island, Indian Ocean. Chem. Geol. 89 (1990) 1-17
70. 4He ratios in picritic basalts from Baffin Island and the role of a mixed reservoir in mantle plumes. Nature 424 (2003) 57-59
71. Trieloff M., Kunz J., Clague D.A., Harrison D., and Allègre C.J. The nature of pristine noble gases in mantle plumes. Science 288 (2000) 1036-1038
72. Trieloff M., Kunz J., and Allègre C.J. Noble gas systematics of the Réunion mantle plume source and the origin of primordial noble gases in Earth's mantle. Earth Planet. Sci. Lett. 200 (2002) 297-313
73. Trieloff M., and Kunz J. Isotope systematics of noble gases in the Earth's mantle: possible sources of primordial isotopes and implications for mantle structure. Phys. Earth Planet. Inter. 148 (2005) 13-38
74. 39Ar chrono-stratigraphy of pre- and syn-rift bimodal flood volcanism in Ethiopia and Yemen. Earth Planet. Sci. Lett. 198 (2002) 289-306
75. Ulianov A., Kalt A., and Pettke T. Peraluminous websterite and granulite xenoliths from the Chyulu Hills volcanic field, Kenya: plagioclase-bearing cumulates reequilibrated at uppermost mantle and crustal conditions. Contrib. Mineral. Petrol. 152 (2006) 459-483
76. Valbracht P.J., Staudacher T., Malahoff A., and Allègre C.J. Noble gas systematics of deep rift zone glasses from Loihi Seamount, Hawaii. Earth Planet. Sci. Lett. 150 (1997) 399-411
77. Weeraratne D.S., Forsyth D.W., Fischer K.M., and Nyblade A.A. Evidence for an upper mantle plume beneath the Tanzanian craton from Rayleigh wave tomography. J. Geophys. Res. 108 (2003) 2427-2434
78. Yatsevich I., and Honda M. Production of nucleogenic neon in the Earth from natural radioactive decay. J. Geophys. Res. 102 (1997) 10291-10298
79. Yokochi R., and Marty B. Geochemical constraints on mantle dynamics in the Hadean. Earth Planet. Sci. Lett. 238 (2005) 17-30
80. Zindler A., and Hart S. Chemical geodynamics. Ann. Rev. Earth Planet. Sci. 14 (1986) 493-571