Melt distribution in mantle rocks deformed in shear

Geophysical Research Letters

Volumn 26, Issue 10, 1999, Pages 1505-1508

  Zimmerman, Mark E ^a   Zhang, Shuqing ^a,b   Kohlstedt, David L ^a   Karato, Shun Ichiro ^a  

^a UNIVERSITY OF MINNESOTA   (United States)

^b AUSTRALIAN NATIONAL UNIVERSITY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

AGGLOMERATION; SHEAR WAVES; SILICATE MINERALS; MECHANICAL PERMEABILITY; SEDIMENTARY ROCKS; SEISMIC WAVES; SHEAR DEFORMATION; SHEAR STRESS;

DIFFERENTIAL STRESS; DYNAMIC DISTRIBUTION; GEOPHYSICAL OBSERVATIONS; MELT DISTRIBUTIONS; MID-OCEAN RIDGES; OLIVINE BASALTS; SEISMIC WAVE VELOCITY; SHEAR WAVE SPLITTING;

SHEAR FLOW; TECTONICS;

MANTLE ROCKS;

BASALT; FLUID FLOW; MANTLE PROCESS; MELT; OLIVINE; PARTIAL MELTING; SHEAR TEST;

EID: 0033562243     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/1999GL900259     Document Type: Article

References (19)

1. Bussod, G. Y., and J. M. Christie, Textural development and melt topology in spinel lherzolite experimentally deformed at hypersolidus conditions, J. Petrol, Special Lherzolite Issue, 17-39, 1991.
2. Cooper, R. F., and D. L. Kohlstedt, Interfacial energies in the olivine-basalt system, in High Pressure Research in Geophysics, edited by S. Akimoto, and M. H. Manghnani, pp.217-218, Cent. For Acad. Publ., Tokyo, Japan, 1982.
3. Daines, M. J., and D. L. Kohlstedt, Influence of deformation on melt topology in peridotites, J. Geophys. Res., 107, 10257-10271, 1997.
4. Faul, U. H., D. R. Toomey, and H. S. Waff, Intergranular basaltic melt is distributed in thin, elongated inclusions, Geophys. Res. Lett., 21, 29-32, 1994.
5. Forsyth, D. W., S. C. Webb, L. M. Dorman, and Y. Shen, Phase velocities of Rayleigh waves in the MELT experiment on the east pacific rise, Science, 280, 1235-1238, 1998.
6. Griffith, A. A., The theory of rupture, in Proceedings of 1st International Congress Applied Mechanics, edited by C. B. Biezano and J. M. Burgers, pp.54- 63, Tech. Boekhandel en Drukkenj J. Waltman Jr., Delft, Netherlands, 1924.
7. Hirth, J. G., and D. L. Kohlstedt, Experimental constraints on the dynamics of the partially molten upper mantle: Deformation in the dislocation creep regime, J. Geophys. Res., 100, 15441-15449, 1995.
8. Hung, S. -H., D. W. Forsyth, and D. R. Toomey, Can a narrow, low-velocity, high- concentrated melt conduit be hidden beneath the East Pacific Rise?, Eos Trans. AGU, 79 S, 1998.
9. Karato, S., Importance of anelasticity in the interpretation of seismic tomography, Geophys. Res. Lett., 20, 1623-1626, 1993.
10. Kelemen, P. B., J. A. Whitehead, E. Aharaov, 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, 1995.
11. Kennett, B. L. N., and E. R. Engdahl, Traveltimes for global earthquake location and phase identification, Geophys. J. Inter., 105, 429-465, 1991.
12. The MELT Seismic Team, Imaging the deep seismic structure beneath a mid-ocean ridge: The MELT experiment, Science, 280, 1215-1218, 1998.
13. Murrell, S. A. F., The theory of the propagation of elliptical Griffith cracks under various conditions of plane strain or plane stress: Parts I, II, and III, Br. J. Appl. Phys., 15, 1195-1223, 1964.
14. Stevenson, D. J., Spontaneous small-scale melt segregation in partial melts undergoing deformation, Geophys. Res. Lett., 16, 1067-1070, 1989.
15. Toomey D. R., 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, 1224-1227, 1998.
16. Waff, H. S., and J. R. Bulau, Equilibrium fluid distribution in an ultramafic partial melt under hydrostatic stress conditions, J. Geophys. Res., it 84, 6109-6114, 1979.
17. Waff, H. S., and U. H. Faul, Effects of crystalline anisotropy on fluid distribution in ultramafic partial melts, J. Geophys. Res., 97, 9003-9014, 1992.
18. Wolfe, C. J., and S. C. Solomon, Shear-wave splitting and implications for mantle flow beneath the MELT region of the east pacific rise, Science, 280, 1230-1232, 1998.
19. Zhang, S., and S. Karato, Lattice preferred orientation of olivine aggregates deformed in simple shear, Nature, 375, 774-777, 1995.