Deformation-enhanced fluid distribution in feldspar aggregates and implications for ductile shear zones

Geology

Volumn 24, Issue 1, 1996, Pages 63-66

  Tullis, J ^a   Yund, R ^a   Farver, J ^a  

^a BROWN UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AGGREGATES; CREEP; DIFFUSION IN LIQUIDS; FELDSPAR; GRAIN BOUNDARIES; STRUCTURAL GEOLOGY;

BULK TRANSPORT; DIFFUSION CREEP; DISLOCATION CREEP; DUCTILE SHEAR ZONE; FLUID DISTRIBUTION; HYDROSTATIC CONDITIONS; ISOLATED PORES; QUARTZ AGGREGATES; AQUEOUS FLUIDS;

TRANSPORT PROPERTIES;

AGGREGATE; ANNEALING; DEFORMATION; FELDSPAR; FLUID; GRAIN BOUNDARY; PORE SPACE; SHEAR ZONE; CREEP; DUCTILE SHEAR ZONE; FELDSPAR AGGREGATE; FLUID DISTRIBUTION;

EID: 0029751492     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(1996)024<0063:DEFDIF>2.3.CO;2     Document Type: Article

References (26)

1. Beach, A., 1976, The interrelations of fluid transport, deformation, geochemistry and heat flow in early Protcrozoic shear zones in the Lewisian complex: Royal Society of London Philosophical Transactions, ser. A, v. 280, p. 569-604.
2. Beach, A., 1980, Retrograde metamorphic processes in shear zones with special reference to the Lewisian complex: Journal of Structural Geology, v. 2, p. 257-263.
3. Cooper, R. F., and Kohlstedt, D. L., 1984, Rheology and structure of olivine-basalt partial melts: Journal of Geophysical Research, v. 91, p. 9315-9323.
4. Faner, J., and Yund, R. A., 1992, Oxygen diffusion in a fine-grained quartz aggregate with wetted and nonwetted microstructures: Journal of Geophysical Research, v. 97, p. 14,017-14,029.
5. Farver, J., and Yund, R. A., 1995, Grain boundary diffusion of oxygen, potassium and calcium in natural and hot-pressed feldspar aggregates: Contributions to Mineralogy and Petrology, v. 118, p. 340-355.
6. Heidug, W. K., 1991, A thermodynamic analysis of the conditions of equilibrium at nonhydrostatically stressed and curved phase boundaries: Journal of Geophysical Research, v. 96, p. 21,909-21,921.
7. Heidug, W. K., 1995, Intergranular solid-fluid phase transformations under stress: The effect of surface forces: Journal of Geophysical Research, v. 100, p. 5931-5940.
8. Hickman, S. H., and Evans, B., 1995, The kinetics of pressure solution at halite-silica interfaces and intergranular clay films: Journal of Geophysical Research, v. 100, p. 13,113-13,132.
9. Hirth, G., and Kohlstedt, D. L., 1995a, Experimental constraints on the dynamics of the partially molten upper mantle, 1: Deformation in the diffusion creep regime: Journal of Geophysical Research, v. 100, p. 1981-2001.
10. Hirth, G., and Kohlstedt, D. L., 1995b, Experimental constraints on the dynamics of the partially molten upper mantle, 2: Deformation in the dislocation creep regime: Journal of Geophysical Research, v. 100, p. 15,441-15,450.
11. Hirth, G., and Tullis, J., 1992, Dislocation creep regimes in quartz: Journal of Structural Geology, v. 14, p. 145-159.
12. Hwang, C.-M. J., and Chen, I.-W., 1990, Effect of a liquid phase on superplasticity of 2-mol%-stabilized tetragonal zireonia polycrystals: American Ceramic Society Journal, v. 73, p. 1626-1632.
13. Jin, Z.-M., Green, H. W., and Zhou, Y., 1994, Melt topology during dynamic partial melting of peridotite: Nature, v. 372, p. 164-167.
14. Karato, S.-I., and Masuda, T., 1989, Anisotropie grain growth in quartz aggregates under stress and its implication for foliation development: Geology, v. 17, p. 695-698.
15. Kohlstedt, D. L., 1992, Structure, rheology, and permeability of partially molten rocks at low melt fractions, in Phipps Morgan, J., et al., eds., Mantle flow and melt generation at mid-ocean ridges: American Geophysical Union Monograph 71, p. 103-121.
16. Laporte, D., and Watson, E. B., 1991, Direct observation of near-equilibrium pore geometry in synthetic crustal quartzites at 600°-800°C and 2-10.5 kbars: Journal of Geology, v. 99, p. 873-878.
17. O'Hara, K., 1988, Fluid flow and volume loss during mylonitization: An origin for phyllonite in an overthrust setting, North Carolina, U.S.A.: Tectonophysics, v. 156, p. 21-36.
18. Rice, J. R., and Chung, T.-J., 1981, Energy variations in diffusive cavity growth: American Ceramic Society Journal, v. 64, p. 46-53.
19. Selverstone, J., 1993, Micro- to macroscale interactions between deformational and metamorphic processes, Tauern Window. Eastern Alps: Schweizerische Mineralogische und Petrographische Mitteilungen, v. 73, p. 229-239.
20. Sinha, K. A., Hewitt, D. A., and Rimstidt, J. D., 1986, Fluid interaction and element mobility in the development of ultramylonites: Geology, v. 14, p. 883-886.
21. Tullis, J., and Yund, R. A., 1980, Hydrolytic weakening of experimentally deformed Westerly granite and Hale albite rock: Journal of Structural Geology, v. 2, p. 439-451.
22. Tullis, J., and Yund, R. A., 1985, Dynamic recrystallization of feldspar: A mechanism for ductile shear zone formation: Geology, v. 13, p. 238-241.
23. Tullis, J., and Yund, R. A., 1987, Transition from cataclastic flow to dislocation creep of feldspar: Mechanisms and microstructures: Geology, v. 15, p. 606-609.
24. Tullis, J., and Yund, R. A., 1991, Experimental evidence for diffusion creep in feldspar aggregates: Journal of Structural Geology, v. 13, p. 987-1000.
25. Urai, J. E., 1983, Water assisted dynamic recrystallization and weakening in polycrystalline bischoffite: Tectonophysics, v. 96, p. 125-157.
26. 2O fluids and their implications for fluid transport, host-rock physical properties and fluid inclusion formation: Earth and Planetary Science Letters, v. 85, p. 497-515.