Chinese Journal of Oceanology and Limnology

, Volume 26, Issue 4, pp 459–468 | Cite as

Geochemistry of the lava and its implications in Musicians Seamounts

  • Chuanshun Li (샮뒫쮳)
  • Yucheng Pan (엋폱돉)
  • Anchun Li (샮낲뒺)
  • Batiza Rodey


Chemical and isotopic data of the lava samples dredged in the southern Bach Ridge and the northern Italian Ridge of the Musicians Seamounts province, northeast of Hawaii. Although most of the samples analyzed are generally altered, a few are fresh. The latter exhibits similar geochemical and isotopic characteristics to normal MORB (Mid-Ocean Ridge Basalts). There are systematic geochemical trends from hotspot to mid-ocean ridge in the province. Incompatible element and isotopic variations suggest that the flow field had at least two distinct parental magmas, one with higher and one with lower MgO concentrations. The two parental magmas could be related by a magma mixing model. The major and trace element modeling shows that the two parental magmas could not have been produced by different degrees of melting of a homogeneous mantle source, but they are consistent with melting of a generally depleted mantle containing variable volumes of embedded enriched heterogeneity enriched interbeds.


Musicians Seamounts geochemistry hotspot mid-ocean ridge ridge-hotspot interaction 


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. Alt, J. C., 1995. Subseafloor processes in mid-ocean ridge hydrothermal systems Humphris. Susan E. (editor), Zierenberg, Robert A. (editor), Mullineaux, Lauren S. (editor), Thomson, Richard E. (editor), Seafloor Hydrothermal Systems; Physical, Chemical, Biological, and Geological Interactions, Geophysical Monograph, 91: 85–114.Google Scholar
  2. Bialas, J., N. Kukowski and Shipboard Science Party, 2000. GEOPECO (SONNE Cruise SO-146): Geophysical Experiments at the Peruvian Continental Margin. Cruise Report, Geomar, Kiel, Germany.Google Scholar
  3. Rea D. K. and F. P. Naugler., 1971. Musicians seamount province and related crustal structures north of the Hawaiian ridge. Marine Geology 10(2): 89–111.CrossRefGoogle Scholar
  4. DePaolo, D. J., 1981. Trace element and isotopic effects of combined wallrock assimilation and fractional crystallization. Earth and Planetary Science Letters 53: 189–202.CrossRefGoogle Scholar
  5. Elderfield, H., E. Suess., M. J. Mottl and G. Wheat, 1997. Low-temperature reactions between sea-water and oceanic crust at ridge flanks, Seventh annual V. M. Goldschmidt conference, LPI contribution, 921, p. 66–67, 1997. Meeting: Seventh annual V. M. Goldschmidt conference, Tucson, AZ, United States, June 2–6.Google Scholar
  6. Epp, D., 1978. Age and tectonic relationships among volcanic chains on the Pacific plate, Ph.D. thesis, 199 p. Univ. of Hawaii, Honolulu.Google Scholar
  7. Epp, D., 1984. Possible perturbations to hotspot traces and implications for the origin and structure of the Line Islands. Journal of Geophysical Research 89: 11 273–11 286.Google Scholar
  8. Freedman, A. P. and B. Parsons, 1986. Sea sat-derived gravity over the Musicians Seamounts. Journal of Geophysical Research 91: 8 325–8 340.CrossRefGoogle Scholar
  9. Flueh, E. R., J. O’Connor, J. Phipps Morgan, J. Wagner and Shipboard Science Party, 1999. HULA (SONNE Cruise SO-142): Interdisciplinary investigations on the timing of the Hawaii-Emperor Bend and the origin of lithospheric anomalies along the Musician seamount chain. Cruise Report. Geomar, Kiel, Germany.Google Scholar
  10. Ghiorso, M. S. and R. O. Sack, 1995. Chemical mass transfer in magmatic processes, IV, A revised and internally consistent thermodynamic model for the interpolation and extrapolation of liquid-solid equilibria in magmatic systems at elevated temperatures and pressures. Contrib. Mineral. Petrol. 119: 197–212.CrossRefGoogle Scholar
  11. Kopp, H., C. Kopp, J. P. Morgan, E. R. Flueh and W. Weinrebe, 2003. Fossil hot spot-ridge interaction in the Musicians Seamount Province: Geophysical investigations of hot spot volcanism at volcanic elongated ridges. Journal of Geophysical Research 108(0): X1–X20.Google Scholar
  12. Iskhakov. A. Y., 1998. Behavior of petrogenic elements during secondary alteration of the ocean floor volcaniclastic rocks. Oceanology 38(3): 401–403.Google Scholar
  13. InterRidge Office, 2003. InterRidge—The Next Decade. Ocean Research Institute, University of Tokyo.Google Scholar
  14. Keller, R. A., R. A. Duncan and M. R. Fisk, 1995. Geochemistry and 40Ar/39Ar geochronology of basalts from ODP Leg 145 (North Pacific Transect, Proc. Ocean Drill). Program Sci. Results 145: 333–344.Google Scholar
  15. Keller, R. A., M. R. Fisk and W. M. White, 2000. Isotopic evidence for late cretaceous plume-ridge interaction at the Hawaiian hotspot. Nature 405: 673–676.CrossRefGoogle Scholar
  16. Kingsley, R. H. and J. G. Schilling, 1998. Plume-ridge interaction in the Easter-Salas y Gomez seamount chain-Easter Microplate system: Pb isotope evidence. J. Geophys. Res. 103: 24 159–24 177.CrossRefGoogle Scholar
  17. Pan, Yucheng, Batiza, Rodey, 1998. Major element chemistry of volcanic glasses from the Easter Seamount Chain; constraints on melting conditions in the plume channel. Journal of Geophysical Research, B, Solid Earth and Planets 103(3): 5 287–5 304.CrossRefGoogle Scholar
  18. Pringle, M. S., 1992. Geochronology and petrology of the Musicians Seamounts, and the search for hot spot volcanism in the Cretaceous Pacific, UH Ph.D. dissertation, p. 235.Google Scholar
  19. Pringle, M. S., 1993. Age progressive volcanism in the Musicians seamounts: A test of the hot spot hypothesis for the late Cretaceous Pacific. In: The Mesozoic Pacific: Geology, Tectonics, and Volcanism, Geophys. Monogr.Ser, vol. 77, edited by M. S. Pringle et al., p. 187–215, AGU, Washington, D. C..Google Scholar
  20. Rea, D. K. and F. P. Naugler, 1971. Musicians seamount province and related crustal structures north of the Hawaiian ridge, Marine Geology, 10 (2) l Pacific Ocean. In: Seamounts, Islands, and Atolls, Geophys. Monogr. Ser., vol. 43, edited by B. H. Keating et al., pp. 133–162, AGU, Washington, D. C. p. 89–111.Google Scholar
  21. Sager, W. W. and M. S. Pringle, 1987. Paleomagnetic constraints on the origin and evolution of the Musicians and South Hawaiian Seamounts, central Pacific Ocean. In: Seamounts, Islands, and Atolls. Geophys. Monogr. Ser., vol. 43, edited by B. H. Keating et al., p. 133–162, AGU, Washington, D. C..Google Scholar

Copyright information

© Chinese Society for Oceanology and Limnology, Science Press and Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Chuanshun Li (샮뒫쮳)
    • 1
    • 2
  • Yucheng Pan (엋폱돉)
    • 3
  • Anchun Li (샮낲뒺)
    • 1
  • Batiza Rodey
    • 3
  1. 1.Key Laboratory of Marine Geology and Environment, Institute of OceanologyChinese Academy of SciencesQingdaoChina
  2. 2.Graduate SchoolChinese Academy of SciencesBeijingChina
  3. 3.Department of Geology and GeophysicsUniversity of HawaiiHonoluluUSA

Personalised recommendations