Melt segregation in the lower part of the partially molten mantle zone beneath an oceanic spreading centre: Numerical modelling of the combined effects of shear segregation and compaction

Journal of Petrology

Volumn 50, Issue 6, 2009, Pages 1071-1106

  Rabinowicz, Michel ^a   Toplis, Michael J ^a  

^a OBSERVATOIRE MIDI PYRÉNÉES   (France)

Author keywords

Compaction; Lherzolite; Mantle; Melt; Mid ocean ridge; Migration; Modelling; Ophiolite; Segregation; Shear

Indexed keywords

COMPACTION; DUCTILE DEFORMATION; DUCTILITY; MANTLE; MID-OCEAN RIDGE BASALT; NUMERICAL MODEL; ONE-DIMENSIONAL MODELING; OPHIOLITE; PARTIAL MELTING; SHEAR STRESS; SPREADING CENTER; STRESS FIELD; SURFACE TENSION; VISCOSITY;

EID: 67651119757     PISSN: 00223530     EISSN: 14602415     Source Type: Journal    
DOI: 10.1093/petrology/egp033     Document Type: Article

References (109)

1. Aharonov, E.,Whitehead, J. A. & Kelemen, P. B. (1995). Channeling instability of upwelling melt in the mantle. Journal of Geophysical Research 100, 20433-20450.
2. Aharonov, E., Spiegelman, M. & Kelemen, P. B. (1997). Three-dimensional flow and reaction in porous media: Implications for the Earth's mantle and sedimentary basins. Journal of Geophysical Research 102, 14821-14833.
3. Ahern, J. L. & Turcotte, D. L. (1979). Magma migration beneath ocean ridge. Earth and Planetary Science Letters 45, 115-122.
4. Asimow, P. D., Hirschmann, M. M. & Stolper, E.M. (1997). An analysis of variations in isentropic melt productivity. Philosophical Transactions of the Royal Society of London, Series A 355, 255-281.
5. Asimow, P. D., Hirschmann, M. M. & Stolper, E. M. (2001). Calculation of peridotite partial melting from thermodynamic models of minerals and melts, IV. Adiabatic decompression and the composition and mean properties of mid-ocean ridge basalts. Journal of Petrology 42 963-998.
6. Barcilon,V. & Richter, F. M. (1986). Non-linear waves in compacting media. Journal of Fluid Mechanics 164, 429-448.
7. Barnouin-Jha, K., Parmentier, E. M. & Sparks, D.W. (1997). Buoyant mantle upwelling and crustal production at oceanic spreading centers: On axis segmentation and off-axis melting. Journal of Geophysical Research 102, 11979-11989.
8. Barraud, J., Gardien, V., Allemand, P. & Grandjean, P. (2001). Analogue modelling of melt segregation and migration during deformation. Physical and Chemical Earth 26, 317-323.
9. Bear, J. (1972). Dynamics of Fluid in Porous Media. Amsterdam: Elsevier.
10. Bercovici, D. & Ricard, Y. (2003). Energetics of a two-phase model of lithospheric damage, shear localization and plate boundary formation. Geophysical Journal International 152, 581-596.
11. Bercovici, D., Ricard, Y. & Schubert, G. (2001a). A two phase model for compaction and damage, Part 1: General theory. Journal of Geophysical Research 106, 8887-8906.
12. Bercovici, D., Ricard, Y. & Schubert, G. (2001b). A two-phase model for compaction and damage. Part 3. Application to shear localisation and plate boundary formation. Journal of Geophysical Research 106 8925-8939.
13. Braun, M. G. & Kelemen, P. B. (2002). Dunite distribution in the Oman ophiolite: Implications for melt flux through porous dunite conduits. Geochemistry, Geophysics, Geosystems 3, article number 8603.
14. Buck, R. & Su,W. (1989). Focused mantle upwelling below mid-ocean ridges due to feedback between viscosity and melting. Geophysical Research Letters 16, 641-644.
15. Ceuleneer, G. & Cannat, M. (1997). High temperature ductile deformation of Site 920 peridotites. In: Karson, J. A., Cannat, M., Miller, D. J. & Elthon, F. (eds) Proceedings of the Ocean Drilling Program, Scientific Results, 153. College Station, TX: Ocean Drilling Program, pp. 23-33.
16. Ceuleneer, G. & Rabinowicz, M., (1992). Mantle flow and melt migration beneath oceanic ridges: Models derived from observations in ophiolites. In: Phipps Morgan, J., Blackman, D. K. & Sinton, J. M. (eds) Mantle Flow and Melt Generation at Mid-ocean Ridges. GeophysicalMonograph, American Geophysical Union 71, 123-154.
17. Ceuleneer, G., Rabinowicz, M., Monnereau, M., Cazenave, A. & Rosemberg, C. (1988). Viscosity and thickness of the sublithospheric low-viscosity zone; constraints from geoid and depth over oceanic swells. Earth and Planetary Science Letters 89, 84-102.
18. Ceuleneer, G., Monnereau, M., Rabinowicz, M. & Rosemberg, C. (1993). Thermal and petrological consequences of melt migration within plumes. PhilosophicalTransactions of the Royal Society of London, Series A 342, 53-64.
19. Connolly, J. A. D. & Podladchikov, Y. Y. (1998). Compaction driven fluid flow in viscoelastic rock. Geodinamica Acta 11, 55-84.
20. Coogan, L. A., Gillis, K. M., MacLeod, C. J., Thompson, G. M. & Hekinian, R. (2002). Petrology and geochemistry of the lower ocean crust formed at the East Pacific Rise and exposed at Hess Deep: A synthesis and new results. Geochemistry, Geophysics, Geosystems 3, article number 8604.
21. Cooper, R. F. & Kohlstedt, D. L. (1986). Rheology and structure of olivine-basalt partial melts. Journal of Geophysical Research 9 9315-9324.
22. Cordier, C., Benoit, M., Hémond, C., Dyment, J., Le Gall, B. & Briais, A. (2007). Timescales of melt extraction from a heterogeneous mantle beneath the Central Indian Ridge at 19.2°S. Geochimica et Cosmochimica Acta 71, Abstract A188.
23. Daines, M. J. & Kohlstedt, D. L. (1993). A laboratory study of melt migration. Philosophical Transactions of the Royal Society of London, Series A 342, 43-52.
24. Dick, H.J.B. (1989). Abyssal peridotites, very slow spreading ridges and ocean ridge magmatism, in Magmatism in the Ocean Basins, Geological Society Special Publication No. 42 Edited by A.D Saunders and N.J. Norry, 71-105.
25. Drew, D. A. & Segel, L. A. (1971). Averaged equations for two-phase flow. Studies in Applied Mathematics 50, 205-231.
26. Dullien, F. A. L. (1979). Porous Media Fluid Transport and Pore Structure. NewYork: Academic Press.
27. Faul, U. H. (1997). Permeability of partially molten upper mantle rocks from experiments and percolation theory. Journal of Geophysical Research 102, 10299-10311.
28. Faul, U. H. (2001). Melt retention and segregation beneath mid-ocean ridges. Nature 410, 920-923.
29. Faul, U. H. & Jackson, I. (2005). The seismological signature of temperature and grain size variations in the upper mantle. Earth and Planetary Science Letters 234, 119-134.
30. Forsyth, D.W. & the MELT Seismic Team (1998). Imaging the deep seismic structure beneath a mid-ocean ridge: The MELT experiment. Science 280, 1215-1218.
31. Fowler, A. C. (1984). On the transport of moisture in polythermal glaciers. Geophysical and Astrophysical Fluid Dynamics 28, 99-140.
32. Gaherty, J.B., Jordan, T.H., & Gee, L.S. (1996). Seismic structure of the upper mantle in a central Pacific corridor. Journal of Geophysical Research 101, 22291-22309.
33. Ghods, A. & Arkani-Hamed, J. (2002). Effects of melt migration on the dynamics and melt generation of diapirs ascending through asthenosphere. Journal of Geophysical Research 107, 2026, doi:10.1029/ 2000JB000070.
34. Giger, S. B, Tenthorey, E., Cox, S. F. & Gerald, J. D. F. (2007). Permeability evolution in quartz fault gauges under hydrothermal conditions. Journal of Geophysical Research 112, 7502, doi:10.1029/2006JB004828.
35. Grégoire, M., Cottin, J.Y., Giret, A., Mattielli, N. & Weis, D. (1998). The meta-ignous granulite xenoliths from Kerguelen Archipelago: evidence of a continent nucleation in an oceanic setting. Contributions to Mineralogy and Petrology 133, 259-283.
36. Grégoire, M., Rabinowicz, M. & Janse, A. J. A. (2006). Mantle mush compaction: A key to understand the mechanisms of concentration of swarms of kimberlites; controls on the occurrence and distribution of kimberlites. Journal of Petrology 47, 661-646, doi:10.1093/ petrology/egi090.
37. Gu,Y. J., Webb, S. C., Lerner-Lam, A. & Gaherty, J. B. (2005). Upper mantle structure beneath the eastern Pacific Ocean ridges. Journal of Geophysical Research 110, B06305.
38. Hall, C. E. & Parmentier, E.M. (2000). Spontaneous melt localization in a deforming solid with viscosity variations due to water weakening. Geophysical Research Letters 27, 9-12.
39. Harte, B. (1977). Rock nomenclature with particular relation to deformation and recrystallization textures in olivine-bearing xenoliths. Journal of Geology 85, 279-288.
40. Hier-Majumber, S., Ricard, Y. & Bercovici, D. (2006). Role of grain boundaries in magma migration and storage. Earth and Planetary Science Letters 248, 735-749.
41. Hirth, G. & Kohlstedt, D. (1995). Experimental constraints on the dynamics of the partially molten upper mantle: Deformation in the diffusion creep regime. Journal of Geophysical Research 100, 1981-2001.
42. Holtzman, B. K., Groebner, N. J., Zimmerman, M. E., Ginsberg, S. B. & Kohlstedt, D. L. (2003). Stress-driven melt segregation in partially molten rocks. Geochemistry, Geophysics, Geosystems 4, doi:10.1029/2001GC000258.
43. Ito, G., Shen,Y., Hirth, G. & Wolfe, C. J. (1999). Mantle flow, melting, and dehydration of the Iceland mantle plume. Earth and Planetary Science Letters 165, 81-96.
44. Johnson, K.T. M., Dick, H. J. B. & Shimizu, N. (1990). Melting in the oceanic upper mantle: An ion microprobe study of diopsides in abyssal peridotites. Journal of Geophysical Research 95, 2661-2678.
45. Jull, M. & McKenzie, D. (1996). The effect of deglaciation on mantle melting beneath Iceland. Journal of Geophysical Research 101 21815-21828.
46. Jull, M., Kelemen, P. B. & Sims, K. (2002). Consequences of diffuse and channelled porous melt migration on uranium series disequilibria. Geochemistry, Geophysics, Geosystems 66, 4133-4148.
47. Kamenetsky,V. (1996). Methodology for the study of melt inclusions in Cr-spinel, and implications for parental melts of MORB from FAMOUS area. Earth and Planetary Science Letters 142, 479-486.
48. Katz, R. F., Spiegelman, M. & Holtzman, B. (2006). The dynamics of melt and shear localization in partially molten aggregates. Nature 442, 676-679.
49. Kelemen, P. B., Whitehead, J. B., Aharonov, E. & Jordahl, K. A. (1995 a). Experiments on flow focusing in soluble porous media. Journal of Geophysical Research 100, 475-496.
50. Kelemen, P. B., Shimizu, N. & Salters,V. J. M. (1995b). Extraction of mid-ocean-ridge basalt from the upwelling mantle by focused flow of melt in dunite channels. Nature 375, 747-753.
51. Kelemen, P. B., Hirth, G., Shimizu, N., Spiegelman, M. & Dick, H. J. B. (1997). A review of melt migration processes in the adiabatically upwelling mantle beneath oceanic spreading ridges. Philosophical Transactions of the Royal Society of London, Series A 355, 283-318.
52. Khodakovskii, G., Rabinowicz, M., Ceuleneer, G. & Trubitsyn, V. P. (1995). Melt percolation in a partially molten mantle mush; effect of a variable viscosity. Earth and Planetary Science Letters 134, 267-281.
53. Kushiro, I. (1986). Viscosity of partial melts in the upper mantle. Journal of Geophysical Research 91, 9346-9350.
54. Langmuir, C. H., Klein, E. M. & Plank, T. (1992). Petrological systematics of mid-ocean ridge basalts: Constraints on melt generation beneath ocean ridges. In: Phipps Morgan, J., Blackman, D. K. & Sinton, J. M. (eds) Mantle Flow and Melt Generation at Mid-ocean Ridges. Geophysical Monograph, American Geophysical Union 71, 183-283.
55. Laporte, D. & Provost, A. (2000). The grain scale distribution of silicate carbonate and metallosulfide partial melts: A review of theory and experiments. In: Bagdassarov, N., Laporte, D. & Thompson, A. B. (eds) Physics and Chemistry of Partially Molten Rocks. Dordrecht: Kluwer Academic, pp. 93-139.
56. Lejeune, A. M. & Richet, P. (1995). Rheology of crystal bearing silicate melts: An experimental study at high viscosities. Journal of Geophysical Research 100, 4215-4229.
57. Liang, Y., Price, J. D., Wark, D. A. & Watson, E. B. (2001). Nonlinear pressure diffusion in a porous medium: Approximate solutions with applications to permeability measurements using transient pulse decay method. Journal of Geophysical Research 106, 529-535.
58. McKenzie, D. (1984). The generation and compaction of partially molten rock. Journal of Petrology 25, 713-765.
59. McKenzie, D., Roberts, J. M. & Weiss, N. O. (1974). Convection in the Earth's mantle: Toward a numerical simulation. Journal of Fluid Mechanics 62, 465-538.
60. Mercier, J.-C. C. & Nicolas, A. (1975). Textures and fabrics of upper mantle peridotites as illustrated by xenoliths from basalts. Journal of Petrology 16, 454-487.
61. Monnereau, M., Rabinowicz, M. & Arquis, E. (1993). Mechanical erosion and reheating of the lithosphere; a numerical model for hotspot swells. Journal of Geophysical Research 98, 809-823.
62. Nicolas, A. (1986). A melt extraction model based on structural studies in peridotites. Journal of Petrology 27, 999-1022.
63. O'Hara, M. J. (1965). Primary magmas and the origin of basalts. Scottish Journal of Geology 1, 19-40.
64. Presnall, D. C., Dixon, J. R., O'Donnell,T. H. & Dixon, S. A. (1979). Generation of mid-ocean-ridge tholeites. Journal of Petrology 20, 3-35.
65. Python, A. M. & Ceuleneer, G. (2003). Nature and distribution of dykes and related melt migration structures in the mantle section of the Oman ophiolite. Geochemistry, Geophysics, Geosystems 4, article number 8612.
66. Quick, J. E. (1981).The origin and significance of large, tabular dunite bodies in the Trinity peridotite, Northern California. Contributions to Mineralogy and Petrology 78, 413-422.
67. Rabinowicz, M. & Briais, A. (2002). 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 molten mantle below the ridge crest. Journal of Geophysical Research 107, doi:10.1029JB000343.
68. Rabinowicz, M. & Ceuleneer, G. (2005). 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 229, 231-246.
69. Rabinowicz, M. & Vigneresse, J. L. (2004). Melt segregation under compaction and shear channelling: Application to granitic magma segregation in the continental crust. Journal of Geophysical Research 107, B04407, doi:10.1029/2002JB002372.
70. Rabinowicz, M., Lago, B. & Froidevaux, C. (1980). Thermal transfer between the continental asthenosphere and the oceanic subducting lithosphere; its effect on subcontinental convection. Journal of Geophysical Research 85, 1839-1853.
71. Rabinowicz, M., Nicolas, A. & Vigneresse, J.-L. (1984). A rolling mill effect in asthenosphere beneath oceanic spreading centers. Earth and Planetary Science Letters 67, 97-108.
72. Rabinowicz, M., Rouzo, S., Sempere, J. C. & Rosemberg, C. (1993). Three-dimensional mantle flow beneath mid-ocean ridges. Journal of Geophysical Research 98, 7851-7869.
73. Rabinowicz, M., Genthon, P., Ceuleneer, G. & Hillairet, M. (2001). Compaction in a mantle mush with high melt concentrations and the generation of magma chambers. Earth and Planetary Science Letters 188, 313-328.
74. Rabinowicz, M., Ricard,Y. & Grégoire, M. (2002). Compaction in a mantle with a very small melt concentration: Implications for the generation of carbonatitic and carbonate-bearing high alkaline mafic melts impregnations. Earth and Planetary Science Letters 203 205-220.
75. Renner, J., Evans, B. & Hirth, G. (2000). On the rheological critical fraction. Earth and Planetary Science Letters 181, 585-594.
76. Ricard, Y., Bercovici, D. & Schubert, G. (2001). Atwo-phase model for compaction and damage. Part 2. Application to compaction, deformation, and the role of interfacial surface tension. Journal of Geophysical Research 106, 8907-8924.
77. Richardson, C. N. (1998). Melt flow in a variable viscosity matrix. Geophysical Research Letters 25, 1099-1102.
78. Rubin, A. M. (1998). Dike ascent in partially molten rock. Journal of Geophysical Research 103, 20901-20919.
79. Scott, D. R. (1992). Small scale convection and mantle melting beneath mid-ocean ridges. In: Phipps Morgan, J., Blackman, D. K. & Sinton, J. M. (eds) Mantle Flow and Melt Generation at Mid-ocean Ridges. Geophysical Monograph, American Geophysical Union 71, 327-352.
80. Scott, D. R. & Stevenson, D. J. (1984). Magma solitons. Geophysical Research Letters 11, 1161-1164.
81. Scott, D. R. & Stevenson, D. J. (1986). Magma ascent by porous flow. Journal of Geophysical Research 91, 9283-9296.
82. Scott, D. R. & Stevenson, D. J. (1989). A self-consistent model of melting, magma migration and buoyancy-driven circulation beneath mid-ocean ridges. Journal of Geophysical Research 94, 2973-2988.
83. Scott, M. & Kohlstedt, D. L. (2006). The effect of large melt fraction on the deformation behavior of peridotite. Earth and Planetary Science Letters 246, 177-187.
84. Seyler, M., Toplis, M. J., Lorand, J.-P., Luguet, A. & Cannat, M. (2001). Clinopyroxene microtexture reveal incompletely extracted melts in abyssal peridotites. Geology 29, 155-158.
85. Singh, S. C., Kent, G. M., Collier, J. S., Harding, A. J. & Orcutt, J. A. (1998). Melt to mush variations in crustal magma properties along the ridge crest at the southern East Pacific Rise. Nature 394, 874-878.
86. Sleep, N. H. (1978). Segregation of magma from a mostly crystalline mush. Geological Society of American Bulletin 85, 1225-1232.
87. Sleep, N. H. (1988). Tapping of melt by veins and dykes. Journal of Geophysical Research 93, 10255-10272.
88. Sobolev, A. V. & Shimizu, N. (1993). Ultra-depleted primary melt included in an olivine from the Mid-Atlantic Ridge. Nature 363 151-154.
89. Sparks, D. W. & Parmentier, E. M. (1991). Melt extraction in the mantle beneath spreading centers. Earth and Planetary Science Letters 105, 368-377.
90. Spiegelman, M. (1993). Physics of melt extraction: Theory, implications and applications. Philosophical Transactions of the Royal Society of London, Series A 342, 23-41.
91. Spiegelman, M. (1996).Geochemical consequences of melt transport in 2-D: The sensitivity of trace elements to mantle dynamics. Earth and Planetary Science Letters, 139, 115-132.
92. Spiegelman, M. (2003). Linear analysis of melt band formation by simple shear. Geochemistry, Geophysics, Geosystems 4, doi:10.1029/ 2002GC000499.
93. Spiegelman, M. & Kelemen, P. B. (2003). Extreme chemical variability as a consequence of a channelized melt transport. Geochemistry, Geophysics, Geosystems 4, doi:10.1029/2002GC000336.
94. Spiegelman, M. & Kenyon, P. (1992). The requirements for chemical disequilibrium during magma migration. Earth and Planetary Science Letters 109, 611-620.
95. Spiegelman, M., Kelemen, P. B. & Aharonov, E. (2001). Causes and consequences of flow organization during melt transport. The reaction infiltration instability in compactible media. Journal of Geophysical Research 106, 2061-2077.
96. Spiegelman, M. & McKenzie, D. (1987). Simple 2D models for melt extraction at Mid-Ocean Ridges and Island Arcs. Earth and Planetary Science Letters 83, 137-152.
97. Sramek, O., Ricard, Y. & Bercovici, D. (2007). Simultaneous melting and compaction in deformable two phase media. Geophysical Journal International 168, 964-982.
98. Stevenson, D. J. (1989). Spontaneous small scale melt segregation in partial melts undergoing deformation. Geophysical Research Letters 16, 1067-1070.
99. Stolper, E. (1980). A phase diagram for mid-ocean ridge basalts: Preliminary results and implications for petrogenesis. Contributions to Mineralogy and Petrology 74, 13-27.
100. Stolper, E.,Walker, D., Hager, B. H. & Hays, J. F. (1981). Melt segregation from partially molten regions: The importance of melt density and source region size. Journal of Geophysical Research 86, 6261-6271.
101. Toramaru, A. & Fijii, N. (1986). Connectivity of a melt phase in a partially molten peridotite. Journal of Geophysical Research 91 9239-9252.
102. Turcotte, D. L. & Phipps Morgan, J. (1992). The physics of magma migration and mantle flow beneath a mid-ocean ridge. Mantle flow and melt migration beneath oceanic ridges: Models derived from observations in ophiolites. In: Phipps Morgan, J., Blackman, D. K. & Sinton, J. M. (eds) Mantle Flow and Melt Generation at Midocean Ridges. Geophysical Monograph, American Geophysical Union 71, 155-182.
103. VonBargen, N. & Waff, H. S. (1986). Permeabilities, interfacial areas and curvatures of partially molten systems: Results of numerical computations of equilibrium microstructures. Journal of Geophysical Research 91, 9261-9276.
104. Wark, D. A. & Watson, E. B. (1998). Grain-scale permeabilities of texturally equilibrated, monomineralic rocks. Earth and Planetary Science Letters 164, 591-605.
105. Wark, D. A., Williams, C. A., Watson, E. B. & Price, J. D. (2003). Reassessment of pore shapes in microstructurally equilibrated rocks, with implications for permeability of the upper mantle. Journal of Geophysical Research 108, doi:10.1029/2001JB001575.
106. Webb, S. C. & Forsyth, D. W. (1998). Structure of the upper mantle under the EPR from waveform inversion of regional events. Science 280 1227-1229.
107. Wiggins, C. & Spiegelman, M. (1995). Magma migration and magmatic solitary waves in 3-D. Geophysical Research Letters 22, 1289-1292.
108. Zhu, W. & Hirth, G. (2003). A network model for permeability in partially molten rocks. Earth and Planetary Science Letters 212 407-416.
109. Zimmerman, M. E. & Kohlstedt, D. L. (2004). Rheological properties of partially molten lherzolite. Journal of Petrology 45, 275-298.