V.V. Gordienko  ABOUT VISCOSITY TECTONOSPHERE SUBSTANCES OF CONTINENTS AND OCEANS

https://doi.org/10.15407/gpimo2017.01.045

Geology and Mineral Resources of World Ocean 2017, 13 (1): 45-57

V.V. Gordienko 

Institute of Geophysics NAS of Ukraine, Kyiv

ABOUT VISCOSITY TECTONOSPHERE SUBSTANCES OF CONTINENTS AND OCEANS

Purpose. Check correlation parameters for solid and partially molten rocks of the Earth’s tectonosphere. 
Methods. Simulation of the depth distribution of viscosity for regions with the main types of endogenous regimes of continents and oceans. 
Findings. The concept of the viscosity distribution in the tectonosphere of continents and oceans is formulated, which takes into account the real values of the differential stresses and strain rates, the influence of temperature and pressure on this parameter, the appearance of a melt. 
Originality. A scheme is proposed for estimating the viscosity of rocks of the mantle along the velocity section. 
Practical implications. The author believes that the approach developed in this paper and the accumulation of the corresponding material can lead to a significant refinement in the determination of the viscosity of the tectonosphere substance. 
Key words: dynamic viscosity, upper mantle, velocity models. 

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