Significance of large, refractory dunite bodies in the upper mantle of the Bay of Islands Ophiolite

Geochemistry, Geophysics, Geosystems

Volumn 4, Issue 3, 2003, Pages

  Suhr, Günter ^a,b   Hellebrand, Eric ^b   Snow, Jonathan E ^b   Seck, Hans A ^a   Hofmann, Albrecht W ^b  

^a UNIVERSITY OF COLOGNE   (Germany)

^b MAX PLANCK INSTITUTE FOR CHEMISTRY   (Germany)

Author keywords

Boninite; Dunite; Melt transport; Melt rock reaction; Ophiolite

Indexed keywords

EID: 0141718141     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2001GC000277     Document Type: Article

References (55)

1. Arai, S., and K. Matsukage, Petrology of a chromitite micropod from Hess Deep, equatorial Pacific: A comparison between abyssal and alpine-type podiform chromitites, Lithos, 43, 1-14, 1998.
2. Baker, M. B., and E. M. Stolper, Determining the composition of high pressure mantle melts using diamond aggregates, Geochim. Cosmochim. Acta, 58, 2811-2827, 1994.
3. Ballhaus, C., R. F. Berry, and D. H. Green, High pressure experimental calibration of the olivine-orthopyroxene-spinel oxygen geobarometer: Implications for the oxidation state of the upper mantle, Contrib. Mineral. Petrol., 107, 27-40, 1991.
4. Bédard, J. H., and R. Hébert, The lower crust of the Bay of Islands Ophiolite, Canada: Petrology, mineralogy, and the importance of syntexis in magmatic differentiation in ophiolites and at ocean ridges, J. Geophys. Res., 101, 25,105-25,124, 1996.
5. Blundy, J. D., T. J. Falloon, B. J. Wood, and J. A. Dalton, Sodium partitioning between clinopyroxene and silicate melts, J. Geophys. Res., 100, 15,501-15,516, 1995.
6. Bodinier, J. L., Geochemistry and petrogenesis of the Lanzo peridotite body, western Alps, Tectonophysics, 149, 67-88, 1988.
7. Boudier, F., and R. G. Coleman, Cross section through the peridotite in the Samail Ophiolite, Southeastern Oman Mountains, J. Geophys Res., 86, 2573-2592, 1981.
8. Boudier, F., and A. Nicolas, Fusion partielle gabbroique dans la lhérzolite de Lanzo, Bull. Suisse Minéral. Pétrol., 52, 39-56, 1972.
9. Braun, M. G., and P. B. Kelemen, Dunite distribution in the Oman Ophiolite: Implications for melt flux through porous dunite conduits, Geochem. Geophys. Geosyst., 3(11), 8603, doi:10.1029/2001GC000277, 2002. (Available at http://www.g-cubed.org)
10. Cameron, W. E., M. T. McCulloch, and D. A. Walker, Boninite petrogenesis: Chemical and Nd-Sr isotopic constraints, Earth Planet. Sci. Lett., 65, 75-89, 1983.
11. Crawford, A. J., T. J. Falloon, and D. H. Green, Classification, petrogenesis and tectonic setting of boninites, in Boninites, edited by A. J. Crawford, pp. 1-49, Chapman and Hall, New York, 1989.
12. Dick, H. J. B., Evidence of partial melting in the Josephine peridotite, in Magma Genesis, edited by H. J. B. Dick, pp. 59-62, Dept. Geol. Min. Ind.Oregon, Portland, 1977.
13. Dick, H. J. B., and T. Bullen, Chromian spinel as a petrogenetic indicator in abyssal and alpine-type peridotites and spatially associated lavas, Contrib. Mineral. Petrol., 86, 54-76, 1984.
14. Dick, H. J. B., and J. H. Natland, Late-stage melt evolution and transport in the shallow mantle beneath the East Pacific Rise, in Proc. Ocean Drill. Program Sci. Results, 147, 103-134, 1996.
15. Elthon, D., Geochemical evidence for formation of the Bay of Islands ophiolite above a subduction zone, Nature, 354, 140-143, 1991.
16. Gregory, R. T., Melt percolation beneath a spreading ridge: Evidence from the Semail peridotite, Oman, in Ophiolites and Oceanic Lithosphere, edited by S. J. Lippard, A. W. Shelton, and I. G. Gass, Geol. Soc. Lond. Spec. Publ., 13, 55-62, 1984.
17. Hart, S. R., and K. E. Davis, Nickel partitioning between olivine and silicate melt, Earth Planet. Sci. Lett., 40, 203-219, 1978.
18. Hart, S. R., and T. Dunn, Experimental cpx/melt partitioning of 24 trace elements, Contrib. Mineral. Petrol., 113, 1-8, 1993.
19. Hellebrand, E., J. E. Snow, H. J. B. Dick, and A. W. Hofmann, Coupled major and trace elements as indicators of the extent of melting in mid-ocean ridge peridotites, Nature, 410, 677-681, 2001.
20. Hellebrand, E., J. E. Snow, and A. W. Hofmann, Garnet-field melting and late-stage refertilization in 'residual' abyssal peridotites from the Central Indian Ridge, J. Petrol., 43, 2305-2338, 2002.
21. Hill, E., B. J. Wood, and J. D. Blundy, The effect of Ca-Tschermaks component on trace element partitioning between clinopyroxene and silicate melt, Lithos, 53, 203-215, 2000.
22. Jenner, G. A., G. R. Dunning, J. Malpas, M. Brown, and T. Brace, Bay of Islands and Little Port Complexes, revisited: Age, geochemical and isotopic evidence confirm supra-subduction zone origin, Can. J. Earth Sci., 28, 1635-1652, 1991.
23. Jousselin, D., and A. Nicolas, The Moho transition zone in the Oman ophiolite-Relation with wehrlites in the crust and dunites in the mantle, Mar. Geophys. Res., 211, 229-241, 2000.
24. Kamenetsky, V. S., A. V. Sobolev, S. M. Eggins, A. J. Crawford, and R. J. Arculus, Olivine-enriched melt inclusions in chromitites from low-Ca boninites, Cape Vogel, Papua New Guinea: Evidence for ultramafic primary magma, refractory mantle source and enriched components, Chem. Geol., 183, 287-303, 2002.
25. Kelemen, P. B., Melt transport in the mantle beneath oceanic spreading ridges, Geochim. Cosmochim. Acta, 66(S1), A389, 2002.
26. Kelemen, P. B., J. A. Whitehead, E. Aharonov, and K. A. Jordahl, Experiments on flow focusing in soluble porous media, with applications to melt extraction from the mantle, J. Geophys. Res., 100, 475-496, 1995a.
27. Kelemen, P. B., N. Shimizu, and V. J. M. Salters, Extraction of MORB from the mantle by focussed flow of melt in dunite channels, Nature, 375, 747-753, 1995b.
28. Kelemen, P. B., G. Hirth, N. Shimizu, M. Spiegelman, and H. J. B. Dick, A review of melt migration processes in the adiabatically upwelling mantle beneath oceanic spreading ridges, Philos. Trans. R. Soc. London Ser. A, 355, 283-318, 1997.
29. Kelemen, P. B., M. Braun, and G. Hirth, Spatial distribution of melt conduits in the mantle beneath oceanic spreading ridges: Observations from the Ingalls and Oman ophiolites, Geochem. Geophys. Geosyst., 1, paper number 1999GC000012, 2000. (Available at http://www.g-cubed.org)
30. Kharas-Khumbatta, N. K., Geochemistry and petrology of the gabbroic rocks from Blow Me Down Mountain, Bay of Islands Complex, M.Sc. thesis, Univ. of Housten, Texas, 1988.
31. Kinzler, R. J., and T. L. Grove, Primary magmas of mid-ocean ridge basatls, 1, Experiments and methods, J. Geophys. Res., 97, 6885-6906, 1992.
32. Kinzler, R. J., and T. L. Grove, Corrections and further discussion of the primary magmas of mid-ocean ridge basalts, 1 and 2, J. Geophys. Res., 98, 22,339-22,347, 1993.
33. Komor, S. C., and D. Elthon, Formation of anorthosite-gabbro rhythmic phase layering: An example at North Arm Mountain, Bay of Islands ophiolite, J. Petrol., 31, 1-50, 1990.
34. Kubo, K., Dunite formation processes in highly depleted peridotite: Case study of the Iwanaidake Peridotite, Hokkaido, Japan, J. Petrol., 43, 423-448, 2002.
35. Langmuir, C. H., J. F. Bender, A. E. Bence, and G. N. Hanson, Petrogenesis of basalts from the famous area: Mid-Atlantic ridge, Earth Planet. Sci. Lett., 36, 133-156, 1977.
36. Libourel, G., Systematics of calcium partitioning between olivine and silicate melt: Implications for melt structure and calcium content of magmatic olivines, Contrib. Mineral. Petrol., 136, 63-80, 1999.
37. Maurel, C., and P. Maurel, É tude expérimentale de la distribution de l'aluminium entre bain silicaté basique et spinelle chromifère, Implications pétrogénétique: Teneur en chrome des spinelles, Bull. Minéral., 105, 197-202, 1982.
38. Navon, O., and E. Stolper, Geochemical consequences of melt percolation: The upper mantle as a chromatographic column, J. Geol., 95, 285-307, 1987.
39. Nicolas, A., A melt extraction model based on structural studies in mantle peridotites, J. Petrol., 27, 999-1022, 1986.
40. Nicolas, A., and F. Boudier, Mapping oceanic ridge segments in Oman ophiolite, J. Geophys. Res., 100, 6179-6198, 1995.
41. Quick, J. E., The origin and significance of large, tabular dunite bodies in the Trinity peridotite, Northern California, Contrib. Mineral. Petrol., 78, 413-422, 1981.
42. Phipps Morgan, J., and B. Holtzmann, Melt migration in a deforming mantle: The role of non-dilatent vug-wave propagation, J. Conf. Abstr., 6(1), 815-816, 2001.
43. Roeder, P. L., and R. F. Emslie, Olivine-liquid equilibrium, Contrib. Mineral. Petrol., 29, 275-289, 1970.
44. Shervais, J. W., Birth, death, and resurrection: The life cycle of suprasubduction zone ophiolites, Geochem. Geophys. Geosyst., 2, paper number 2000GC000080, 2001.
45. Sobolev, A. W., and N. Shimizu, Superdepleted melts and ocean mantle permeability, Dokl. Acad. Sci. USSR, Earth Sci., Sect., 328, 182-188, 1993.
46. Spiegelman, M., P. B. Kelemen, and E. Aharonov, Causes and consequences of flow organization during melt transport: The reaction infiltration instability in compactible media, J. Geophys. Res., 106, 2061-2077, 2001.
47. Stolper, E., A phase diagram for mid-ocean ridge basalts: Preliminary results and implications for petrogenesis, Contrib. Mineral. Petrol., 74, 13-27, 1980.
48. Suhr, G., Upper mantle peridotites in the Bay of Islands Ophiolite, Newfoundland: Formation during the final stages of a spreading centre?, Tectonophysics, 206, 31-53, 1992.
49. Suhr, G., Significance of upper mantle hosted dunite bodies for melt migration and extraction under oceanic spreading centres: Inferences from reactive transport modeling, J. Petrol., 40, 575-599, 1999.
50. Suhr, G., Significance of upper mantle hosted dunite for melt migration in the Oman and Bay of Islands Ophiolites, paper presented at 4th International Workshop on Orogenic Lherzolites and Mantle Processes, Samani, Hokkaido, Japan, 2002.
51. Suhr, G., and P. T. Robinson, Origin of mineral chemical stratification in the mantle section of the Table Mountain Massif (Bay of Islands Ophiolite), Lithos, 31, 81-102, 1994.
52. Suhr, G., H. A. Seck, N. Shimizu, D. Günther, and G. Jenner, Circulation of refractory melts in the lowermost oceanic crust: Evidence from a trace element study of dunite-hosted clinopyroxenes in the Bay of Islands Ophiolite, Contrib. Mineral. Petrol., 131, 136-154, 1998.
53. Sun, S., and W. F. McDonough, Chemical and isotopic systematics of oceanic basalts: Implications for mantle composition and processes, in Magmatism in the Ocean Basins, edited by A. D. Saunders and M. J. Norry, Geol. Soc. London, Spec. Publ., 42, 313-345, 1989.
54. Varfalvy, V., R. Hébert, and J. H. Bédard, Interactions between melt and upper-mantle peridotites in the North Arm Mountain massif, Bay of Islands Ophiolite, Newfoundland, Canada: Implications for the genesis of boninitic and related magmas, Chem. Geol., 129, 71-90, 1996.
55. Varfalvy, V., R. Hébert, J. H. Bédard, and M. R. Laflèche, Petrology and geochemistry of pyroxenite dykes in upper mantle peridotites of the North Arm Mountain Massif, Bay of Islands Ophiolite, Newfoundland: Implications for the genesis of boninitic and related magmas, Can. Mineral., 35, 543-570, 1997.