A simple three-dimensional model of thermo-chemical convection in the mantle wedge

Earth and Planetary Science Letters

Volumn 290, Issue 3-4, 2010, Pages 311-318

  Honda, Satoru ^a   Gerya, Taras ^b   Zhu, Guizhi ^b  

^a UNIVERSITY OF TOKYO   (Japan)

^b ETH ZURICH   (Switzerland)

Author keywords

mantle wedge; subduction zones; thermo chemical convection

Indexed keywords

BACK-ARC; CHEMICAL AGENT; CHEMICAL BUOYANCY; DIMENSIONAL INSTABILITY; FLIP-FLOP PHENOMENA; LOW DENSITY; LOW TEMPERATURES; LOW VISCOSITY; MANTLE WEDGE; PLATE BOUNDARIES; SMALL-SCALE CONVECTION; SUBDUCTING SLABS; SUBDUCTION ZONES; TEMPORAL AND SPATIAL VARIATION; THERMAL BOUNDARY LAYER; THERMALLY DRIVEN; THERMO-CHEMICAL; THREE-DIMENSIONAL MODEL;

BUOYANCY; CAVITY RESONATORS; FLOW PATTERNS; VISCOSITY;

THREE DIMENSIONAL;

BOUNDARY LAYER; BUOYANCY; MANTLE CONVECTION; SUBDUCTION ZONE; TEMPERATURE EFFECT; THREE-DIMENSIONAL MODELING; TWO-DIMENSIONAL FLOW; VISCOSITY;

EID: 75149182670     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2009.12.027     Document Type: Article

References (30)

1. Arcay D., Tric E., and Doin M.P. Numerical simulations of subduction zones: effect of slab dehydration on the mantle wedge dynamics. Phys. Earth Planet. Int. 149 (2005) 133-153
2. Billen M., and Gurnis M. A low viscosity wedge in subduction zones. Earth Planet. Sci. Lett. 193 (2001) 227-236
3. Conder J.A. A case for hot slab surface temperatures in numerical viscous flow models of subduction zones with an improved fault zone parameterization. Phys. Earth Planet. Int. 149 (2005) 155-164
4. Gerya T. Introduction to Numerical Geodynamic Modelling (2010), Cambridge University Press 344 pp
5. Gerya T., and Yuen D.A. Rayleigh-Taylor instabilities from hydration and melting propel 'cold plumes' at subduction zones. Earth Planet. Sci. Lett. 212 (2003) 47-62
6. Gerya T., and Yuen D.A. Characteristics-based marker-in-cell method with conservative finite-differences schemes for modeling geological flows with strongly variable transport properties. Phys. Earth Planet. Int. 140 (2003) 293-318
7. Gerya T.V., Stoechert B., and Perchuk A.L. Exhumation of high-pressure metamorphic rocks in a subduction channel - a numerical simulation. Tectonics 21 6 (2002) 6-1-6-19
8. Gerya T.V., Yuen D.A., and Sevre E.O.D. Dynamical causes for incipient magma chambers above slabs. Geology 32 (2004) 80-92
9. Gerya T.V., Connolly J.A.D., Yuen D.A., Gorczyk W., and Capel A.M. Seismic implications of mantle wedge plumes. Phys. Earth Planet. Int. 156 (2006) 59-74
10. Gorczyk W., Gerya T.V., Connolly J.A.D., Yuen D.A., and Rudolph M. Large-scale rigid-body rotation in the mantle wedge and its implications for seismic tomography. Geochem. Geophys. Geosyst. 7 (2006) 10.1029/2005GC001075
11. Gorczyk W., Willner A.P., Gerya T.V., Connolly J.A.D., and Burg J.-P. Physical controls of magmatic productivity at Pacific-type convergent margins: new insights from numerical modeling. Phys. Earth Planet. Int. 163 (2007) 209-232
12. Hasebe K., Fujii N., and Uyeda S. Thermal processes under island arcs. Tectonophys 10 (1970) 335-355
13. Honda S. Thermal structure beneath Tohoku, Northeast Japan - a case study for understanding the detailed thermal structure of the subduction zone. Tectonophys 112 (1985) 69-102
14. Honda S. Numerical simulations of mantle flow around slab edges. Earth Planet. Sci. Lett. 277 (2009) 112-122
15. Honda S., and Yoshida T. Application of the model of small-scale convection under the island arc to the NE Honshu subduction zone. Geochem. Geophys. Geosyst. v6 (2005) Q01002 10.1029/2004GC000785
16. Honda S., Yoshida T., and Aoike K. Spatial and temporal evolution of arc volcanism in the northeast Honshu and Izu-Bonin arcs: evidence of small-scale convection under the island arc?. Island Arc 16 (2007) 214-223
17. 2O and melting in subduction zones. Earth Planet. Sci. Lett. 160 (1998) 65-80
18. Karato S. Rheology of the deep upper mantle and its implications for the preservation of the continental roots: a review. Tectonophys 481 (2010) 82-98
19. Karato S., and Wu P. Rheology of the upper mantle: a synthesis. Science 260 (2003) 771-778
20. Kneller E.A., van Keken P.E., Karato S., and Park J. B-type olivine fabric in the mantle wedge: insights from high-resolution non-Newtonian subduction zone models. Earth Planet. Sci. Lett. 237 (2005) 781-797
21. Nikolaeva K., Gerya T.V., and Connolly J.A.D. Numerical modelling of crustal growth in intraoceanic volcanic arcs. Phys. Earth Planet. Int. 171 (2008) 336-356
22. Peacock S.M. Fluid processes in subduction zones. Science 248 (1990) 329-337
23. Poli S., and Schmidt M.W. Petrology of subducted slabs. Annu. Rev. Earth Planet. Sci. 30 (2002) 207-235
24. Tackley P.J. Effects of strongly temperature-dependent viscosity on time-dependent, three-dimensional models of mantle convection. Geophys. Res. Lett. 20 (1993) 2187-2190
25. Toksoz M.N., Minear J.W., and Julian B.R. Temperature field and geophysical effects of a downgoing slab. J. Geophys. Res. 76 (1971) 177-196
26. Wada I., Wang K., He J., and Hyndman R.D. Weakening of the subduction interface and its effects on surface heat flow, slab dehydration, and mantle wedge serpentinization. J. Geophys. Res. 113 (2008) B04402 10.1029/2007JB005190
27. Wessel P., and Smith W.H.F. New improved version of the Generic Mapping Tools released. EOS, Trans. AGU 79 47 (1998) 579
28. Yoshii T. Proposal of the "aseismic front". Zisin 2 28 (1975) 365-367 (in Japanese)
29. Yoshii T. A detailed cross-section of the deep seismic zone beneath northeastern Honshu, Japan. Tectonophys 55 (1979) 349-360
30. Zhu G., Gerya T.V., Yuen D.A., Honda S., Yoshida T., and Connolly J.A.D. Three-dimensional dynamics of hydrous thermal-chemical plumes in oceanic subduction zones. Geochem. Geophys. Geosyst. 10 (2009) 10.1029/2009GC002625