Toasting the jelly sandwich: The effect of shear heating on lithospheric geotherms and strength

Geology

Volumn 36, Issue 4, 2008, Pages 331-334

  Hartz, Ebbe H ^a,b   Podladchikov, Yuri Y ^a  

^a UNIVERSITY OF OSLO   (Norway)

^b Aker Exploration   (Norway)

Author keywords

Geotherm; Heat flow; Lithosphere; Rheology; Shear heating; Strength

Indexed keywords

GEODYNAMIC MODELS; LITHOSPHERE; MAGMATISM; METAMORPHISM; SHEAR HEATING; STRESS REDUCTION;

HEAT TRANSFER; METAMORPHIC ROCKS; STRUCTURAL GEOLOGY; VOLCANIC ROCKS;

GEOTHERMAL ENERGY;

CRUSTAL THICKENING; GEODYNAMICS; GEOTHERMAL SYSTEM; HEAT FLOW; LITHOSPHERIC STRUCTURE; RHEOLOGY; SHEAR ZONE; SURFACE TEMPERATURE;

CALLUNA VULGARIS;

EID: 44449164906     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G24424A.1     Document Type: Article

References (31)

1. Afonso, J.C., and Ranalli, G., 2004, Crustal and mantle strengths in continental lithosphere: Is the jelly sandwich obsolete?: Tectonophysics, v. 394, p. 221-232, doi: 10.1016/j.tecto.2004.08.006.
2. Beaumont, C., Jamieson, R.A., Nguyen, M.H., and Lee, B., 2001, Himalayan tectonics explained by extrusion of a low-viscosity crustal channel coupled to focused surface denudation: Nature, v. 414, p. 738-742, doi: 10.1038/414738a.
3. Brace, W.F., and Kohlstedt, D.L., 1980, Limits on lithospheric stress imposed by laboratory experiments: Journal of Geophysical Research, B, Solid Earth and Planets, v. 85, p. 6248-6252.
4. Buck, W.R., 1991, Modes of continental lithospheric extension: Journal of Geophysical Research, B, Solid Earth and Planets, v. 96, p. 20,161-20,178.
5. Burg, J.P., and Gerya, T.V., 2005, The role of viscous heating in Barrovian metamorphism of collisional orogens: Thermomechanical models and application to the Lepontine Dome in the central Alps: Journal of Metamorphic Geology, v. 23, p. 75-95, doi: 10.1111/ j.1525-1314.2005.00563.x.
6. Burov, E.B., and Watts, A.B., 2006, The long-term strength of continental lithosphere: "Jelly sandwich" or "crème brûlée"?: GSA Today, v. 16, no. 1, p. 4-10, doi: 10.1130/1052-5173(2006)016<4:TLTSOC>2.0.CO;2.
7. Carter, L.M., and Tsenn, M.C., 1987, Flow properties of continental lithosphere: Tectonophysics, v. 06, p. 27-63, doi: 10.1016/ 0040-1951(87)90333-7.
8. Chapman, D.S., and Furlong, K.P., 1992, Thermal state of the continental crust, in Fountain, D.M., et al., eds., Continental lower crust: Development in geotectonics, volume 23: Amsterdam, Elsevier, p. 179-199.
9. Chopra, P.N., and Paterson, M.S., 1981, The experimental deformation of dunite: Tectonophysics, v. 78, p. 453-473, doi: 10.1016/ 0040-1951(81)90024-X.
10. Cloetingh, S,, and Burov, E.B., 1996, Thermomechanical structure of European continental lithosphere: Constraints from rheology profiles and EET estimates: Geophysical Journal International, v. 124, p. 695-723, doi: 10.1111/j.1365-246X.1996.tb05633.x.
11. Doglioni, C., Green, D., and Mongelli, F., 2005, On the shallow origin of hotspots and the westward drift of the lithosphere, in Foulger, G.R., et al., eds., Plates, plumes, and paradigms: Geological Society of America Special Paper 388, p. 735-749.
12. Goetze, C., 1978, The mechanism of creep in olivine: Royal Society of London Philosophical Transactions, ser. A, v. 288, p. 99-119, doi: 10.1098/rsta.1978.0008.
13. Huismans, R.S., and Beaumont, C., 2003, Symmetric and asymmetric lithosphere extension: Relative effects of frictional-plastic and viscous strain softening: Journal of Geophysical Research, B, Solid Earth and Planets, v. 108, p. 1-22.
14. Hyndman, R.D., Currie, C.A., and Mazzotti, S.P., 2005, Subduction zone backarcs, mobile belts, and orogenic heat: GSA Today, v. 15, no. 2, p. 4-10.
15. Jackson, J., 2002, Strength of the continental lithosphere: Time to abandon the jelly sandwich?: GSA Today, v. 12, no. 9, p. 4-9, doi: 10.1130/1052-5173(2002)012<0004:SOTCLT>2.0.CO;2.
16. Jamieson, R.A., Beaumont, C., Fullsack, P., and Lee, B., 1999, Barrovian regional metamorphism: Where's the heat? in Treloar, P., and O'Brien, P., eds., What controls metamorphism and metamorphic reactions?: Geological Society [London] Special Publication 138, p. 23-51.
17. Jeffreys, H., 1970, The Earth: Cambridge, UK, Cambridge University Press, 300 p.
18. Jiménez-Munt, I., and Platt, J.P., 2006, Influence of mantle dynamics on the topographic evolution of the Tibetan Plateau: Results from numerical modelling: Tectonics, v. 25, TC6002, doi: 10.1029/ 2006TC001963.
19. Kaus, B.J.P., and Podlachikov, Y.Y., 2006, Initiation of localized shear zones in viscoelastioplastic rocks: Journal of Geophysical Research, B, Solid Earth and Planets, v. 111, p. 1-18.
20. Kelemen, P.B., and Hirth, G., 2007, A periodic shear-heating mechanism for intermediate-depth earthquakes in the mantle: Nature, v. 446, p. 787-790, doi: 10.1038/nature05717.
21. Molnar, P., 1992, Brace-Goetze strength profiles, the partitioning of strike-slip and thrust faulting at zones of oblique convergence, and the stress-heat flow paradox of the San Andreas fault, in Evans, B., and Wong, T.-F., eds., Fault mechanics and transport properties of rocks: A Festschrift in honor of W.F. Brace: London, Academic Press, p. 435-459.
22. Molnar, R, and Lyon-Caen, H., 1989, Some simple physical aspects of the support, structure, and evolution of mountain belts, in Clark, S.P., Jr., Burchfiel, B.C., and Suppe, J., eds., Processes in Continental Lithospheric Deformation: Geological Society of America Special Paper 218, p. 179-207.
23. Pollack, H.N., Hurter, S.J., and Johnson, J.R., 1993, Heat flow from the Earth's interior: Analysis of the global data set: Reviews of Geophysics, v. 31, p. 267-280, doi: 10.1029/93RG01249.
24. Regenauer-Lieb, K., Weinberg, R.F., and Rosenbaum, G., 2006, The effect of energy feedbacks on continental strength: Nature, v. 442, p. 67-70, doi: 10.1038/nature04868.
25. Regenauer-Lieb, K., Yuen, D.A., and Branlund, J., 2001, The initiation of subduction: Criticality by addition of water?: Science, v. 294, p. 578-580, doi: 10.1126/science. 1063991.
26. Roselle, G.T., and Engi, M., 2002, Ultra high pressure (UHP) terrains: Lessons from thermal modeling: American Journal of Science, v. 302, p. 410-441, doi: 10.2475/ajs.302.5.410.
27. Schmalholz, S.M., Podladchikov, Y.Y., and Jamtveit, B., 2005, Structural softening of the lithosphere: Terra Nova, v. 17, p. 66-72, doi: 10.1111/ j.1365-3121.2004.00585.x.
28. Stüwe, K., 2002, Geodynamics of the lithosphere: An introduction: Berlin, Springer, 449 p.
29. Tsenn, M.C., and Carter, N.L., 1987, Upper limits of power law creep of rocks: Tectonophysics, v. 136, p. 1-26, doi: 10.1016/ 0040-1951(87)90332-5.
30. Turcotte, D.L., and Schubert, G., 2002, Geodynamics: Cambridge, UK, Cambridge University Press, 456 p.
31. Wilks, K.R., and Carter, L.M., 1990, Rheology of some lower crustal rocks: Tectonophysics, v. 182, p. 57-77, doi: 10.1016/ 0040-1951(90)90342-6.