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      The global range of subduction zone thermal models

      , ,
      Physics of the Earth and Planetary Interiors
      Elsevier BV

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          Rheology of the upper mantle: a synthesis.

          S Karato, P Wu (1993)
          Rheological properties of the upper mantle of the Earth play an important role in the dynamics of the lithosphere and asthenosphere. However, such fundamental issues as the dominant mechanisms of flow have not been well resolved. A synthesis of laboratory studies and geophysical and geological observations shows that transitions between diffusion and dislocation creep likely occur in the Earth's upper mantle. The hot and shallow upper mantle flows by dislocation creep, whereas cold and shallow or deep upper mantle may flow by diffusion creep. When the stress increases, grain size is reduced and the upper mantle near the transition between these two regimes is weakened. Consequently, deformation is localized and the upper mantle is decoupled mechanically near these depths.
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            A model for the global variation in oceanic depth and heat flow with lithospheric age

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              Strength of the lithosphere: Constraints imposed by laboratory experiments

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                Author and article information

                Journal
                Physics of the Earth and Planetary Interiors
                Physics of the Earth and Planetary Interiors
                Elsevier BV
                00319201
                November 2010
                November 2010
                : 183
                : 1-2
                : 73-90
                Article
                10.1016/j.pepi.2010.02.004
                0b1ea13b-a46f-474b-9ece-f18f302a96f6
                © 2010

                http://www.elsevier.com/tdm/userlicense/1.0/

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