High-strain creep of feldspar rocks: Implications for cavitation and ductile failure in the lower crust

Geophysical Research Letters

Volumn 35, Issue 4, 2008, Pages

  Rybacki, Erik ^a   Wirth, Richard ^a   Dresen, Georg ^a  

^a GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CAVITATION; CREEP; DUCTILE FRACTURE; GRAIN SIZE AND SHAPE; HIGH PRESSURE EFFECTS; HIGH TEMPERATURE EFFECTS; STRAIN RATE;

DUCTILE FRACTURING; HIGH-STRAIN CREEP; RESIDUAL GLASS;

FELDSPAR;

CAVITATION; CREEP; FELDSPAR; HIGH PRESSURE; HIGH TEMPERATURE; MICROSTRUCTURE; POROSITY; STRAIN RATE;

EID: 44249115857     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2007GL032478     Document Type: Article

References (30)

1. Behrmann, J. H., and D. Mainprice (1987), Deformation mechanisms in a high-temperature quartz-feldspar mylonite: Evidence for superplastic flow in the lower continental crust, Tectonophysics, 140, 297-305.
2. Brodie, K., and E. Rutter (1987), Deep crustal extensional faulting in the Ivrea Zone of northern Italy, Tectonophysics, 140, 193-212.
3. Chokshi, A. H. (2005), Cavity nucleation and growth in superplasticity, Mater Sci. Eng. A, 410-411, 95-99.
4. Dimanov, A., G. Dresen, and R. Wirth (1998), High-temperature creep of partially molten plagioclase aggregates, J. Geophys. Res., 103, 9651-9664.
5. Dimanov, A., E. Rybacki, R. Wirth, and G. Dresen (2007), Creep and strain-dependent microstructures of synthetic anorthite-diopside aggregates, J. Struct. Geol., 29, 1049-1069.
6. Geraud, Y., J.-M. Caron, and P. Faure (1995), Porosity network of a ductile shear zone, J. Struct. Geol., 17, 1757-1769.
7. Gomez Barreiro, J., I. Lonardelli, H. R. Wenk, G. Dresen, E. Rybacki, Y. Ren, and C. N. Tome (2007), Preferred orientation of anorthite deformed experimentally in Newtonian creep, Earth Planet. Sci. Lett., 264, 188-207.
8. Hiraga, T., T. Nagase, and M. Akizuki (1999), The structure of grain boundaries in granite-origin ultramylonite studied by high-resolution electron microscopy, Phys. Chem Minerals, 26, 617-623.
9. Hobbs, B. E., and A. Ord (1988), Plastic instabilities: Implications for the origin of intermediate and deep focus earthquakes, J. Geophys. Res., 93, 10,512-10,540.
10. Holtzman, B. K., D. L. Kohlstedt, M. E. Zimmerman, F. Heidelbach, T. Hiraga, and J. Hustoft (2003), Melt segregation and strain partitioning: Implications for seismic anisotropy and mantle flow, Science, 301, 1227-1230.
11. Kassner, M. E., and T. A. Hayes (2003), Creep cavitation in metals, Int. J. Plast., 19, 1715-1748.
12. Katz, R. F., M. Spiegelman, and B. Holtzman (2006), The dynamics of melt and shear localization in partially molten aggregates, Nature, 442, 676-679.
13. Kenkmann, T., and G. Dresen (2002), Dislocation microstructures and phase distribution in a lower crustal shear zone: An example from the Ivrea-Zone, Italy, Int. J. Earth Sci., 91, 445-458.
14. Liang, Y., D. C. Ahn, P. Sofronis, R. H. Dodds Jr., and D. Baumann (2008), Effect of hydrogen trapping on void growth and coalescence in metals and alloys, Mech. Mater., 40, 115-132.
15. Mancktelow, N. S., D. Grujic, and E. L. Johnson (1998), An SEM study of porosity and grain boundary microstructure in quartz mylonites, Simplon fault zone, central Alps, Contrib. Mineral. Petrol., 131, 71-85.
16. Nair, B. G., R. F. Cooper, D. Bruhn, and D. L. Kohlstedt (2001), High-temperature rheology of calcium aluminosilicate (anorthite) glass-ceramics under uniaxial and triaxial loading, J. Am. Ceram. Soc., 84, 2617-2624.
17. Paterson, M. S. (1990), Superplasticity in geological materials, Mater. Res. Soc. Symp. Proc., 196, 303-312.
18. Paterson, M. S., and D. L. Olgaard (2000), Rock deformation tests to large shear strains in torsion, J. Struct. Geol., 22, 1341-1358.
19. Regenauer-Lieb, K. (1999), Dilatant plasticity applied to Alpine collision: Ductile void growth in the intraplate area beneath the Eifel volcanic field, J. Geodyn., 27, 1-21.
20. Rutter, E. H., and K. H. Brodie (1985), The permeation of water into hydrating shear zones, in Metamorphic Reactions, Kinetics, Textures and Deformation, Adv. Phys. Geochem., vol. 4, edited by A. B. Thompson and D. C. Rubie, pp. 242-250, Springer, New York.
21. Rybacki, E., and G. Dresen (2000), Dislocation and diffusion creep of synthetic anorthite aggregates, J. Geophys. Res., 105, 26,017-26,036.
22. Rybacki, E., and G. Dresen (2004), Deformation mechanism maps for feldspar rocks, Tectonophysics, 382, 173-187.
23. Schmocker, M., M. Bystricky, K. Kunze, and L. Burlini (2003), Granular flow and Riedel band formation in water-rich quartz aggregates experimentally deformed in torsion, J. Geophys. Res., 108(B5), 2242, doi:10.1029/2002JB001958.
24. Shigematsu, N., K. Fujimoto, T. Ohtani, and K. Goto (2004), Ductile fracture of fine-grained plagioclase in the brittle-plastic transition regime: Implication for earthquake source nucleation, Earth Planet. Sci. Lett., 222, 1007-1022.
25. Swift, R. W. (1947), Length changes in metals under torsional overstrain, Engineering, 164, 253-257.
26. Tullis, J., and R. Yund (1991), Diffusion creep in feldspar aggregates: Experimental evidence, J. Struct. Geol., 13, 987-1000.
27. Urai, J. L. (1983), Water assisted dynamic recrystallization and weakening in polycrystalline bischofite, Tectonophysics, 96, 125-157.
28. White, J. C., and S. H. White (1981), On the structure of grain boundaries in tectonites, Tectonophysics, 78, 613-628.
29. Zaki, M. (1998), Influence of hydrostatic pressure and muliaxial straining on cavitating superplastic materials, Metall. Mater. Trans. A, 29, 2555-2561.
30. Závada, P., K. Schulmann, J. Konopásek, S. Ulrich, and O. Lexa (2007), Extreme ductility of feldspar aggregates - Melt-enhanced grain boundary sliding and creep failure: Rheological implications for felsic lower crust, J. Geophys. Res., 112, B10210, doi:10.1029/ 2006JB004820.