The effect of sloped isotherms on melt migration in the shallow mantle: A physical and numerical model based on observations in the Oman ophiolite

Earth and Planetary Science Letters

Volumn 229, Issue 3-4, 2005, Pages 231-246

  Rabinowicz, Michel ^a   Ceuleneer, Georges ^a  

^a OBSERVATOIRE MIDI PYRÉNÉES   (France)

Author keywords

Compaction; Mantle; Melt; Migration; Ophiolite; Ridge; Segregation

Indexed keywords

CRYSTALLIZATION PRODUCTS; FOLIATIONS; MELT MIGRATION; MELT SEGREGATION;

BOUNDARY LAYERS; CRYSTALLIZATION; GRAIN BOUNDARIES; GRANULAR MATERIALS; MECHANICAL PERMEABILITY; NATURAL CONVECTION; PETROLOGY; ROCK MECHANICS;

ISOTHERMS;

BASALT; FRACTIONAL CRYSTALLIZATION; MANTLE CONVECTION; MELT; NUMERICAL MODEL; OPHIOLITE;

ASIA; EASTERN HEMISPHERE; EURASIA; MIDDLE EAST; OMAN; WORLD;

EID: 11944265346     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2004.09.039     Document Type: Article

References (34)

1. C.H. Langmuir E.M. Klein T. Plank Petrological systematics of mid-ocean ridge basalts: Constraints on melt generation beneath ocean ridges in J. Phipps Morgan D.K. Blackman J.M. Sinton (Eds.) Mantle Flow And Melt Generation At Mid-Ocean Ridges AGU Geophysical Monographs vol. 71 1992 183-283
2. M. Godard D. Jousselin J.-L. Bodinier Relationships between geochemistry and structure beneath a paleo-spreading centre a study of the mantle section in the Oman ophiolite Earth Planet. Sci. Lett. 180 2000 133-148
3. M. Seyler M.J. Toplis J.-P. Lorand A. Luguet M. Cannat Clinopyroxene microtexture reveal incompletely extracted melts in abyssal peridotites Geology 29 2001 155-158
4. D.W. Forsyth the MELT Seismic Team Imaging the deep seismic structure beneath a mid-ocean ridge: The MELT experiment Science 280 1998 1215-1218
5. D.R. Toomey W.S.D. Wilcock S.C. Solomon W.C. Hammond J.A. Orcutt Mantle seismic structure beneath the MELT region of the east pacific rise from P and S wave tomography Science 280 1998 1224-1227
6. R.L. Evans P. Tarits A.D. Chave Asymmetric electrical structure in the mantle beneath the east pacific rise at 17 degree S Science 286 1999 752-756
7. W.G. Minarik E.B. Watson Interconnectivity of carbonate melt at low melt fraction Earth Planet. Sci. Lett. 133 1995 423-437
8. D. McKenzie The generation and compaction of partially molten rocks J. Petrol. 25 1984 713-765
9. S. Maaloe A. Scheie The permeability controlled accumulation of primary magma Contrib. Mineral. Petrol. 81 1982 350-357
10. U.H. Faul Permeability of partially molten upper mantlerocks from experiments and percolation theory J. Geophys. Res. 102 1997 10299-10310
11. M. Jull D. MacKenzie The effect of deglaciation on mantle melting beneath Iceland J. Geophys. Res. 101 1996 21815-21828
12. D. Scott D. Stevenson Magma solitons Geophys. Res. Lett. 11 1984 1161-1164
13. I. Kushiro Viscosity of partial melts in the upper mantle J. Geophys. Res. 91 1986 9346-9350
14. R. Buck W. Su Focused mantle upwelling below mid-ocean ridges due to feedback between viscosity and melting Geophys. Res. Lett. 16 1989 641-644
15. M. Rabinowicz A. Briais Temporal variations of the segmentation of slow to intermediate spreading mid-ocean ridges, 2. A three-dimensional model in terms of lithosphere accretion and convection within the partially motlen mantle below the ridge crest J. Geophys. Res. 107 B6 2002 doi:10.1029/2001JB000343
16. G. Hirth D. Kohlstedt Experimental constraints on the dynamics of the partially molten upper mantle: Deformation in the diffusion creep regime J. Geophys. Res. 100 1995 1981-2001
17. M. Rabinowicz P. Genthon G. Ceuleneer M. Hillairet Compaction in a mantle mush with high melt concentrations and the generation of magma chambers Earth Planet. Sci. Lett. 188 2001 313-328
18. C. Wiggins M. Spiegelman Magma migration and magmatic solitary waves in 3-D Geophys. Res. Lett. 22 1995 1289-1292
19. G. Ceuleneer M. Monnereau I. Amri Thermal structure of a fossil mantle diapir inferred from the distribution of mafic cumulates Nature 379 1996 149-153
20. M. Python G. Ceuleneer Nature and distribution of dykes and related melt migration structures in the mantle section of the Oman ophiolite Geochem. Geophys. Geosyst. 4 7 2003 8612
21. D.W. Sparks E.M. Parmentier Melt extraction in the mantle beneath spreading centers Earth Planet. Sci. Lett. 105 1991 368-377
22. M. Benoit G. Ceuleneer M. Polvé The remelting of hydrothermally altered peridotite at mid-ocean ridges by intruding mantle diapirs Nature 402 1999 514-518
23. G. Ceuleneer M. Rabinowicz Mantle flow and melt migration beneath oceanic ridges: Models derived from observations in ophiolites in J. Phipps Morgan D.K. Blackman J.M. Sinton (Eds.) Mantle Flow And Melt Generation At Mid-Ocean Ridges Geophysical Monograph vol. 71 1992 123-154
24. D. Jousselin A. Nicolas F. Boudier Detailed mapping of a mantle diapir below a paleo-spreading center in the Oman ophiolite J. Geophys. Res. 103 1998 18153-18170
25. P.B. Kelemen N. Shimizu V.J.M. Salters Extraction of mid-ocean-ridge basalt from the upwelling mantle by focused flow of melt in dunite channels Nature 375 1995 747-753
26. 2O and pressure on mid-ocean ridge basalt differentiation Contrib. Mineral. Petrol. 96 1987 245-263
27. T.L. Grove R.J. Kinzler W.B. Bryan Fractionation of mid-ocean ridge basalt (MORB) Mantle Flow and Melt Migration at Mid-ocean Ridges Geophys. Monogr. Ser. vol. 71 1992 AGU Washington, DC 281-310
28. U. Christensen U. Harder 3-D convection with variable viscosity Geophys. J. Int. 104 1991 213-226
29. A.C. Fowler X. Yang Pressure solution and compaction in sedimentary basins J. Geophys. Res. 104 1999 12989-12997
30. D. Bercovici Y. Ricard G. Schubert A two phase model for compaction and damage: Part 1. General theory J. Geophys. Res., B 106 2001 8887-8906
31. M. Rabinowicz Y. Ricard M. Grégoire Compaction in a mantle with a very small melt concentration: Implications for the generation of carbonatitic and carbonate-bearing high alkaline mafic melt impregnations Earth Planet. Sci. Lett. 203 2002 205-220
32. V. Barcilon F.M. Richter Non-linear waves in compacting media J. Fluid Mech. 164 1986 429-448
33. M. Spiegelman D. McKenzie Simple 2-D models for melt extraction at mid-ocean ridges and island arcs Earth Planet. Sci. Lett. 83 1987 137-152
34. N.H. Sleep Tapping of melt by veins and dykes J. Geophys. Res. 93 1988 10255-10272