Isotopic constraints on the Easter Seamount Chain source

Contributions to Mineralogy and Petrology

Volumn 135, Issue 2-3, 1999, Pages 225-233

  Cheng, Q C ^a   Macdougall, J D ^a   Zhu, P ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

HOT SPOT; ISOTOPIC COMPOSITION; LAVA; MANTLE PLUME; SEAMOUNT;

PACIFIC OCEAN;

EID: 0032886253     PISSN: 00107999     EISSN: None     Source Type: Journal    
DOI: 10.1007/s004100050508     Document Type: Article

References (39)

1. Bonatti E, Harrison CGA, Fisher DE, Honnorez J, Schilling J-G, Stipp, JJ, Zentilli M (1977) Easter volcanic chain (Southeast Pacific): a mantle hot line. J Geophys Res 82: 2457-2478
2. Chauvel C, Hofmann AW, Vidai P (1992) HIMU-EM: the French Polynesian connection. Earth Planet Sci Lett 110: 99-119
3. Cheng QC (1989) Geochemical studies of hotspot volcanism in the Southern Pacific and its implications for mantle structure and dynamics. PhD thesis. University of California, San Diego
4. Cheng Q, Park KH, Macdougall JD, Zindler A, Lugmair GW, Staudigel H, Hawkins J, Lonsdale P (1987) Isotopic evidence for a hotspot origin of the Louisville seamount chain. Geophys Monograph Am Geophys Union 43: 283-296
5. Clark JG, Dymond J (1977) Geochronology and petrochemistry of Easter and Sala y Gomez Islands: implications for the origin of the Sala y Gomez Ridge. J Volcanol Geotherm Res 2: 29-48
6. Craig H, Kim K-R, Rison W (1984) Easter Island hotspot: I. Bathymetry, helium isotopes, and hydrothermal methane and helium. Trans Am Geophys Union 65: 1140
7. Duncan RA, Hargraves RB (1984) Plate tectonic evolution of the Caribbean region in the mantle reference frame. Geol Soc Am Mem 162: 81-93
8. Fisher RL, Norris RM (1960) Bathymetry and geology of Sala y Gomez, Southern Pacific. Geol Soc Amer Bull 71: 497-502
9. 86Sr and REE variations along the Easter Microplate boundaries (south Pacific): application of multivariate statistical analyses to ridge segmentation. Chem Geol 89: 209-241
10. Fretzdorff S, Haase KM, Garbe-Schönberg C-D (1996) Petrogenesis of lavas from the Umu volcanic field in the young hotspot region west of Easter Island, southeastern Pacific Lithos 38: 23-40
11. Gerlach DC, Hart SR, Morales VWJ, Palacios C (1986) Mantle heterogeneity beneath the Nazca plate: San Felix and Juan Fernandez Islands. Nature 322: 165-169
12. Graham DW, Humphris SE, Jenkins WJ, Kurz MD (1992) Helium isotope geochemistry of some volcanic rocks from Saint Helena. Earth Planet Sci Lett 110: 121-131
13. Haase KM, Devey CW (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 Planet Sci Lett 137: 129-143
14. Haase KM, Devey CW, Goldstein SL (1996) Two-way exchange between the Easter mantle plume and the Easter microplate spreading axis. Nature 382: 344-346
15. Haase KM, Stoffers P, Garbe-Schönberg CD (1997) The petrogenic evolution of lavas from Easter Island and neighbouring seamounts, near-ridge hotspot volcanoes in the SE Pacific. J Petrol 38: 785-813
16. Hagen RA, Baker NA, Naar DF, Hey RN (1990) A SeaMARC II survey of recent submarine volcanism near Easter Island. Mar Geophys Res 12: 297-315
17. Hanan BB, Schilling J-G (1989) Easter microplate evolution: Pb isotope evidence. J Geophys Res 94: 7432-7448
18. 4He ratios of HIMU basalts as evidence for their origin as recycled materials. Nature 390: 273-276
19. Hart SR, Hauri EH, Oschmann LA, Whitehead JA (1992) Mantle plumes and entrainment: isotopic evidence. Science 256: 517-520
20. Macdonald GA, Katsura T (1964) Chemical composition of Hawaiian lavas. J Petrol 5: 82-133
21. Macdougall JD, Lugmair GW (1986) Sr and Nd isotopes in basalts from the East Pacific Rise: significance for mantle heterogeneity. Earth Planet Sci Lett 77: 273-284
22. Macdougall JD, Tanzer MO (1984) Easter Island hotspot: II. Isotopic and chemical evidence of its influence on EPR basalts. Trans Am Geophys Union 65: 1140
23. Mahoney JJ, Sinton JM, Kurz MD, Macdougall JD, Spencer KJ, Lugmair GW (1994) Isotope and trace element characteristics of a super-fast spreading ridge: East Pacific Rise, 13-23°S. Earth Planet Sci Lett 121: 173-193
24. Mammerickx J, Anderson RN, Menard HW, Smith SM (1975) Morphology and tectonic evolution of the East Central Pacific. Geol Soc Am Bull 86: 111-118
25. Mayes CL, Lawver LA, Sandwell DT (1990) Tectonic history and new isochron chart of the South Pacific. J Geophys Res 95: 8543-8567
26. Menard HW, Chase TE, Smith SM (1964) Galapagos Rise in the southeast Pacific. Deep-Sea Res 11: 233-242
27. Morgan WJ (1971) Convection plumes in the lower mantle. Nature 230: 42-43
28. Naar DF, Liu ZJ, Rappaport Y, Batiza R, Hagen R, Hey R, Nelson R, Plake T, Stefani R, Schilling J-G, Kincaid C, Xu G, Poreda R, Joseph L, Jacobs C, Beale R, Bishop D, Harris A, Rusby R, Fontignie D, Woods A, Kruse S, Korenaga J, Seama N, Vergara H, Guarda R (1993) GLORI-B and geochemical investigation of the Easter Seamount Chain: EPR to San Ambrosio Island. Trans Am Geophys Union 74: 672
29. O'Connor JM, Stoffers P, McWilliams MO (1995) Time-space mapping of Easter Chain volcanism. Earth Planet Sci Lett 136: 197-212
30. Okal EA, Cazenave A (1985) A model for the plate tectonic evolution of the east-central Pacific based on SEASAT investigations. Earth Planet Sci Lett 72: 99-116
31. Pilger RH, Hanschumacher DW (1981) The fixed-hotspot hypothesis and origin of the Easter-Sala y Gomez-Nazca trace. Geol Soc Am Bull 92: 437-446
32. Poreda RJ, Schilling J-G, Batiza R, Naar D (1993a) Geochemistry of volcanism along the Easter Seamount Chain. Trans Am Geophys Union 74: 672
33. Poreda RJ, Schilling J-G, Craig H (1993b) Helium isotope ratios in Easter microplate basalts. Earth Planet Sci Lett 119: 319-329
34. Schilling J-G, Sigurdsson H, Davis AN, Hey RN (1985) Easter microplate evolution. Nature 317: 325-331
35. Stoffers P, Hekinian R, Haase KM, Fretzdorff S, Ackermand D, Binard M, Dehghani A, Devey SW, Franke-Bruckmaier B, Hemond C (1994) Submarine volcanoes west of Easter Island, Southeast Pacific. Mar Geol 118: 177-184
36. 205Pb double spike for lead isotopic analyses. Terra Cognita 4: 209
37. Woodhead JD, Devey CW (1993) Geochemistry of the Pitcairn Seamounts, I: source character and temporal trends. Earth Planet Sci Lett 116: 81-99
38. Woodhead JD, McCulloch MT (1989) Ancient seafloor signals in Pitcairn Island lavas and evidence for large amplitude, small length-scale mantle heterogeneities. Earth Planet Sci Lett 94: 257-273
39. Zindler A, Hart SR (1986) Chemical geodynamics. Ann Rev Earth Planet Sci 14: 493-571