Mantle viscosity - PowerPoint PPT Presentation

Review

Review. The nature of heat and mass transfer in the mantle amd the evolution of the Earth. Ingredients for a unified mantle model. Seismology:1D and 3D structure of the Earth Geochemistry: bulk composition of the Earth; heat production; geochemical tracers of “ mantle reservoirs ”

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583 views • 56 slides

ViscoSim

ViscoSim. USGS, Menlo Park. Fred Pollitz. Representation of Fault Friction. Static frictional stress. Dynamic frictional stress. Arrest stress. Dynamic overshoot parameter:. D = ( s s - s a )/( s s - s d ). Stress reduction parameter: Ds = s s - s a.

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505 views • 37 slides

Deep Earth dynamics â€“ numerical and fluid tank modelling

Deep Earth dynamics â€“ numerical and fluid tank modelling. Bernhard Steinberger. Center for Geodynamics, NGU, Trondheim, Norway. Part 1: Instantaneous m antle flow computations based on mantle density heterogeneities Equations What is the mantle viscosity structure

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473 views • 26 slides

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