Intraplate versus ridge volcanism on the Pacific-Antarctic Ridge near 37°S -111°W

Journal of Geophysical Research: Solid Earth

Volumn 102, Issue 6, 1997, Pages 12265-12286

  Hekinian, Roger ^a   Stoffers, Peter ^b   Devey, Colin ^b   Ackerman, Dietrich ^b   Hémond, Christophe ^c   O'Connor, John ^b   Binard, Nicolas ^b   Maia, Marcia ^c  

^a IFREMER   (France)

^b UNIVERSITY OF KIEL   (Germany)

^c UNIVERSITÉ DE BRETAGNE OCCIDENTALE   (France)

Author keywords

[No Author keywords available]

Indexed keywords

MANTLE PROCESSES; MID OCEAN RIDGE; MID-OCEAN RIDGES; SEAMOUNT; SEAMOUNTS; VOLCANISM;

PACIFIC, FOUNDATION VOLCANIC CHAIN;

EID: 0030710579     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/96jb03856     Document Type: Article

References (61)

1. Aumento, F., Diorites from the the Mid-Atlantic Ridge, Nature, 165, 112-113, 1969.
2. Bach, W., E. Hegner, J. Erzinger, and M. Satir, Chemical and isotopic variations along the superfast spreading East Pacific Rise from 6 to 30°S, Contrib. Mineral. Petrol.., 116, 365-380, 1994.
3. Batiza, R., Seamount and seamount chains of the Eastern Pacific, in The Eastern pacific Ocean and Hawaii, Geol. of North Am., vol. N, edited by E.L. Winterer, D.M. Hussong and R.W. Decker, pp. 145-159, Geol. Soc. of Am. Boulder, Colo., 1989.
4. Batiza, R., Y. Niu, J.L. Karsten, W. Boger, E. Potts, L. Norby, and R. Butler, Steady and non-steady state magma chambers below the East Pacific Rise, Geophys. Res. Lett., 23, 221-224., 1996.
5. Bideau, D., and R. Hekinian, A dynamic model for generating small-scale heterogeneities in ocean floor basalts, J. Geophys. Res., 100, 10,141-10,162, 1995
6. Binard, N., P. Stoffers, R. Hékinian, and R.C. Searle, Intraplate en echelon volcanic ridges of the Easter microplate in the South Pacific, Tectonophysics, in press, 1997.
7. Byers, C. D., D. M. Christie, D. W. Muenow, and J. Sinton, Volatile contents and ferric-ferrous ratios of basalt, ferrobasalt, andesite and rhyodacitee glasses from the galapagos 95.5°W propagating rift, Geochim. Cosmochim. Acta, 48, 2239-2245, 1984.
8. Campbell, I.H. and J. A. Griffiths, Implications of mantle plumes for the evolution of Hood basalts, Earth Planet. Sci. Lett 99, 79-93, 1990.
9. Campbell, S., and W.F. Haxby, Eocene propagating rifts in the Southwest Pacific and their conjugate features on the Nazca plate, J. Geophys. Res. 96, 19,609-19,622, 1991.
10. Cande, S., and W. F. Haxby, Eocene propagating rifts in the Southwest Pacific and their cojugate features on the Nazca plate, J. Geophys. Res. 96, 1312, 19609-19622, 1991.
11. Carmichael, I.S.E. and M.S Ghiorso, Oxidation-reduction relations in basic magma: A case for homogeneous equilibria, Earth Planet. Sci. Lett., 78, 200-210, 1986.
12. Christie, D.M., I.S.E. Carmichael, and C.H. Langmuir, Oxidation states of mid-ocean ridge basalt glasses. Earth. Planet. Sci. Lett., 79, 397-411, 1986.
13. Clague, D.A., F.A. Frey, G. Thompson, and S Rindge, Minor and trace geochemistry of volcanic rocks dredged from the Galapagos Spreading Center: Role of crystal fractionation and mantle heterogeneity, J. Geophys. Res., 86, 9469-9482, 1981.
14. Craig, C.H., and D.T. Sandwell, Global distribution of seamounts from Seasat profiles. J. Geophys. Res., 93, 408-420, 1988.
15. Devey, C. R. et al., Survey and sampling of the Foundation Seamount Chain, S.E. Pacific, Marine Geol., in press, 1997.
16. Fontignie, D., and J. G, Schilling, Sr/Sr and REE variations along the Easter microplate boundaries (South Pacific): Application of multivariate statistical analyses to ridge segmentation, Chemical, Geol., 89, 209-241, 1991.
17. Frey, F.A., C.J. Suen, and H. W. Stockman, The Ronda high temperature peridotite: Geochemistry and petrogenesis, Geochim. Cosmochim. Acta, 49, 2469-2491, 1985.
18. Goldstein, S.J., M.R. Perfit, R. Batiza, D.J. Fornari, and M.T. Murell, Off-axis volcanism detected by uranium-series dating of basalts, Nature, 367, 157-159, 1994.
19. Govindaraju, K., Compilation of working values and sample description for 272 geostandards, Geostand. Newsl. 13, 1-113, 1989.
20. Haxby, W.F., Gravity field of the world's oceans, Report, U.S. Off. of Nav. Res, Arlington, Va, 1987.
21. Haxby, W.F., and J.K. Weissel, Evidence for small-scale convection from Seasat altimeter data, J. Geophys. Res., 91, 3507-3520, 1986.
22. Hémond C., and C. Devey, The Foundation Seamount chain: First isotopic evidence of a newly discovered hotspot track (abstract), presented at Goldsmitidt conference, Heidelberg 1, 255, 1996.
23. Hekinian, R., G. Thompson, and D. Bideau, Axial and off-axial heterogeneity of basaltic rocks from the East-Pacific Rise at 12°35′N-12°5′N and 11°26′N-11°30′N, J. Geophys. Res., 94, 17437-17463, 1989.
24. Hekinian R., D. Bideau, P. Stoffers, J.L. Cheminée, R. Muhe, and N. Binard, Submarine Intraplate Volcanism in the South Pacific: Geological Setting and Petrology, J. Geophys Res., 96, 2109-2138, 1991.
25. Hekinian, R., P. Stoffers, D. Ackermand, N. Binard, J. Francheteau, C. Devey and D. Garbe-Shonberg, Magmatic evolution of the Easter Microplate-Crough Seamount region (South East Pacific), Mar. Geophys. Res., 17, 375-397, 1995a.
26. Hekinian, R, D. Bideau, R. Hébert, and Y. Niu, Magmatism in the Garrett transform fault (East Pacific Rise near 13°27′S), J. Geophys. Res., 100, 10.163-10.185, 1995b.
27. Irving, A.J., Petrology and geochemistry of composite ultramafic xenoliths in alkalic basalts and implications for magmatic processes within the mantle, Am. J. Sc., 280, 389-426, 1980.
28. Ito, G., and J. Lin, Oceanic spreading center- hotspot interactions: Constraints from along isochron bathymetric and gravity anomalies, Geology, 23, 657-660, 1995.
29. Juster, T.C., T.L. Grove, and M.R. Perfit, Experimental constraints on the generation of FeTi basalts, andesites, and rhyodacites at the Galapagos Spreading Center, 85°W and 95°W, J. Geophys. Res., 94, B7, 9251-9274, 1989.
30. Kerr, A.C., A.D. Sounders, J. Tarney, V.H. Berry, and V.L. Hards, Depleted mantle-plume geochemical signatures: No paradox for plume theories. Geology, 23, 843-846, 1995.
31. Langmuir, C.H. Geochemical consequences of in situ crystallization. Nature, 340, 199-205, 1989.
32. Langmuir, C.H. , J.F. Bender, A.E. Bence, and R. Batiza, Petrological and tectonic segmentation of the East Pacific Rise, 5°30′-14°30′N, Nature, 332, 422-429, 1986.
33. 2 recently erupted lava field on the East Pacific Rise near lat. 8°S, Geology, 17, 212-216, 1989,.
34. Mahoney, J. J., J. M. Sinton, M. D. Kurz, J.D. Macdougall, K. J. Spencer, and C. W. Langmuir, Isotopand trace elements characteristics of a super-fast spreading ridge: East Pacific Rise, 13-23°S, Earth. Plant. Sci. Lett., 121, 173-193, 1994.
35. Maia, M., and M. Diament, An analysis of the altimetric geoid in various wave bonds in the central Pacific Ocean: Constraints on the ongin of intraplate features, Tectonophysics, 190, 133-153, 1991.
36. Mammerickx, J., The Foundation Seamounts: Tectonic of a newly discovered seamount chain in the South Pacific, Earth Planet. Sci. Lett. 113, 293-306, 1992.
37. Mayes, C.L., L.A. Lawver, and D.T. Sandwell, Tectonic history and new isochron chart of the south Pacific, J. Geophys. Res., 95, 8543-8567, 1990.
38. McBirney, A., Differentiated rocks of the Galapagos hotspot, in Magmatic Processes and Plate Tectonics, edited by H.M. Prichard, T. Alabaster, N.B.W. Harris, and C.R. Neary, Geol. Soc. Spec Publ., 76, 61-69, 1993.
39. Molnar, P., T. Atwater, J Mammerickx, and S.M. Smith, Magnetic anomalies, bathymetry and the tectonic evolution of the south Pacific since the Late Cretaceous, Geophys. J. R. Astron. Soc., 40, 383-420, 1974.
40. Nielsen, R.L., A model for the simulation of combined major and trace element liquid lines of descent. Geochim. Cosmochim. Acta, 52, 27-38, 1988.
41. Nielsen, R.L., Theory and application of a model of open magmatic system processes, in Modern Methods of Igneous Petrology , Rev. Mineral., vol. 24, edited by J. Nicholls, J.K. Russell, pp. 65-106, Mineral. Soc of Amer., Washington, DC., 1990.
42. Nielsen, R.L., and S.E. Delong, A numerical approach to boundary layer fractionation: Application to differentiation in natural magma systems, Contrib. Mineral. Petrol., 110, 355-369, 1992.
43. Sack, R.O., I.S.E. Carmichael, M. Rivers, and M.S. Ghiorso, Ferric-ferrous equilibria in natural silicate liquids at 1 Bar, Contrib. Mineral. Petrol., 75, 369-376, 1980.
44. Sandwell, D.T., A detailed view of the South Pacific geoid from satellite altimetry, J. Geophys. Res., 89, 1089-1104, 1984,.
45. Sandwell, D.T. and W.H.F. Smith, Marine Gravity Anomaly from Satellite Altimetry, Geol. Data Cent. Scripps Inst. of Oceanogr., LaJolla, Calif., 1995.
46. Scheirer, D. S., and K.C. Macdonald, Variation in cross-sectional area of the axial ridge along the East Pacific Rise: Evidence for the magmatic budget of a fast spreading center, J. Geophys. Res., 98, 7871-7885, 1993.
47. Schilling, J. G., Fluxes and excess temperatures of mantle plumes inferred from their interaction with migrating mid-ocean ridges, Nature, 352, 397-403, 1991.
48. Schuster, J., Mineralogy and geochemistry of the Foundation Seamounts (South East Pacific), M.A. thesis, 74 pp., Geosci. Mar. Univ. Bretagne Occidentale, Brest, France, 1996.
49. Searle, R.C., R.T. Bird, R.I. Rusby, and D.F. Naar, The development of two oceanic microplates: Easter and Juan Fernandez microplates, East Pacific Rise, J. Geol. Soc. London, 150, 965-976, 1993.
50. Searle, R.C., J. Francheteau and B. Corniglia, New observations on mid-plate volcanism and the teclonic history of the Pacific Plate, Earth Planet. Sci. Lett., 131, 395-421, 1995.
51. Shen, Y., Scheirer D.S., Forsyth D.W., and Macdonald K., Trade-off in production between adjacent seamount chains near the East Pacific Rise. Nature, 373, 140-143, 1995.
52. Sinton, J. M., S. M. Smaglik, J. J. Mahoney, and K. C. Macdonald, Magmatic processes at superfast spreading oceanic ridges: Glass variations along the East Pacific Rise, 13 S - 23 S, J Geophys. Res., 96, 6133-6155, 1991.
53. Sun, S.-S., and W.F. McDonough, Chemical and isotopic systematics of oceanic basalts: Implications for mantle compositions and processes, in Magmatism in the Oean Basins, edited by A. D. Saunders and M. C. Norry, Geol. Soc. Spec. Publ., 42, 313-345, 1996.
54. Tebbens S.F., and S.C. Cande, Southeast Pacific tectonic evolutionfrom from early Oligocene to present, J. Geophys. Res., in press, 1996.
55. Thompson, G., W.B. Bryan, and S.E. Humphris, Axial volcanism on the East Pacific Rise, 10-12°N, in Magmatism in the Ocean Basins, edited by A.D. Saunders and M. Norry J., Geol. Soc. Spec. Publ., 42, 181-200, 1989,.
56. Weaver, B.L., The origin of ocean island basalt en-member compositions: Trace element and isotopic constraints, Earth Planet. Sci. Lett., 104, 381-397, 1991.
57. Weaver, J. S., and C. H. Langmuir, Calculation of phase equilibrium in mineral-melt systems, Comput. Geosci., 16, 1-19, 1990.
58. White, R. and D. McKenzie, Magmatism at rift zones: The generation of volcanic continental margins and flood basalts, J. Geophys. Res., 94, 7685-7729, 1989.
59. White, W.M., Sources for oceanic basalts: Radiogenic isotopic evidence, Geology , 13, 115-118, 1985.
60. Wones, D.R., and M.E. Gilbert, The fayalite-magnetite-quartz assemblage between 600°C and 800°C, Am. J. Sci., 267 (A), 480-488, 1969.
61. Zindler, A., and S. Hart, Chemical geodynamics, Annu . Rev. Earth Planet. Sci., 14, 493-571, 1986.