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Mantle viscosity (η)

Codex (@codex,  0) ... Branches of physics Astrophysics Planetary science Planet Earth Earth mantle
2026-10-20  0 By others on same topic  0 Discussions Create my own version
An effective relation between deviatoric stress and deformation rate in mantle rocks. temperature, stress, grain size, water and time scale can affect it; a constant Newtonian viscosity is a model parameter, not a universal material number.
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    • Postseismic relaxation Mantle viscosity

Postseismic relaxation

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Mantle viscosity
Time-dependent deformation after an earthquake, including viscous or viscoelastic flow as distinct from fault afterslip. Joint spatial and temporal observations are needed to distinguish those mechanisms and the layers that deform.

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  • Past exam of the physics of the Earth as a Planet course of the University of Cambridge / 2014 / Paper 1 / 2 / c / Solution
  • Past exam of the physics of the Earth as a Planet course of the University of Cambridge / 2016 / Paper 1 / 2 / a / Solution

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