Mantle weakening and strain localization: Implications for the long-term strength of the continental lithosphere

Article English OPEN
Précigout, Jacques; Gueydan, Frédéric;
  • Publisher: Geological Society of America
  • Related identifiers: doi: 10.1130/G25239A.1
  • Subject: [SDU.STU]Sciences of the Universe [physics]/Earth Sciences | [ SDU.STU ] Sciences of the Universe [physics]/Earth Sciences

International audience; Mechanics of the continental lithosphere require the presence of a high-strength uppermost mantle that defines the "jelly sandwich" model for lithosphere strength layering. However, in deforming regions, growing numbers of geological and geophysi... View more
  • References (20)
    20 references, page 1 of 2

    weakening?: International Journal of Earth Sciences, v. 90, p. 28-45.

    Drury, M.R., 2005, Dynamic recrystallization and Strain Softening of Olivine Aggregates in the Laboratory and the Lithosphere: in Gapais, D., Brun, J.P. and Cobbold, P.R. (eds) Deformation Mechanisms, Rheology and Tectonics: from Minerals to the Lithosphere: Geological Society, London, Special Publications, v. 243, p. 127-142.

    Drury, M.R., Vissers, R.L.M., Van Der Wal, D., and Hoogerduijn strating, E.H., 1991, Shear localisation in Upper Mantle Peridotites: Pure and Applied Geophysics, v. 137, p. 439-460.

    Frost, H.J., and Ashby, M.F., 1982, Deformation Mechanism Maps: the Plasticity and Creep of Metals and Ceramics: Oxford, Pergamon Press, 184 p.

    Goetze, C., 1978, The mechanisms of creep in olivine: Philosophical Transactions of the Royal Society London Series A, v. 288, p. 99-119.

    Gueydan, F., Morency, C. and Brun, J.-P., 2008, Continental rifting as a function of lithosphere mantle strength: Tectonophysics, doi:10.1016/j.tecto.2008.08.012

    Handy, M.R., and Brun, J.P., 2004, Seismicity, structure and strength of the continental lithosphere: Earth and Planetary Science Letters, v. 223, p. 427-441.

    Hirth, G., 2002, Laboratory constraints on the rheology of the upper mantle: in Karato S-I and Wenk H-R (eds.) Plastic Deformation in Minerals and Rocks: Reviews in Mineralogy and Geochemistry, v. 51, p. 97-120.

    Hirth, G., and Kohlstedt, D., 2003, Rheology of the Upper Mantle and the Mantle Wedge: A view from the Experimentalists: in Eiler, J. (ed) Inside the subduction factory: Geophysical Monographs, v. 138, p. 83-105.

    Jackson, J., 2002, Strength of the continental lithosphere: Time to abandon the jelly sandwich?: GSA Today, v. 12, p. 4-10.

  • Metrics
Share - Bookmark