ASTHENOSPHERE AS AN INTERMEDIARY BETWEEN THE PLANET’S ENDOGENOUS ACTIVITY AND THE TECTONIC AND MAGNETIC ACTIVITY OF ITS LITHOSPHERE
Seitov N. Kozhakhmet K.
2021National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2021#6Issue 450118 - 124 pp.
A critical review of the views of tectonist scientists on the cause-effect relationships of deep and near-surface processes in the Earth’s section is being conducted. It is noted that in this issue two groups of tectonists are distinguished: the first group of scientists restricts this relationship at the level of the upper mantle-lithosphere (the earth’s crust), while the second group tends to connect endogenous processes in the lithosphere (the Earth’s crust) with chemical-physical processes taking their beginning from the level of the nucleus and covering the main (subarachnospheric) incision of the mantle. The author himself refers to the second group of scientists. However, he does not agree with the views of scientists about the calibrated character of the transfer of heat-mass flows of deep origin directly to the lithosphere due to the presence along the route of these flows of the low-viscous layer of the asthenosphere. The author being related the fluidity (low viscosity) of the asthenosphere substance to the thermal nature of this layer, which provides its intermediary role between the endogenous activity of the planet and tectonomagmatic activity of the lithosphere (the crust). This role is expressed not only by the relation to the tectonomagmatic activity of the lithosphere to the permeable zones, but also by the reorientation of activity residues in the subhorizontal direction between these zones. The idea of the continuity of the section of the asthenosphere entirely enveloping the spherical surface of the lower mantle is being asserted, this explains the reasons for the variability in the value of the viscosity of this layer under the platforms and more «permeable areas» within the lithosphere.
Ascending flow , Convection; submentosphere mantle , Heat and mass flows , Pellitospheric faults , Tectonosphere
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Kh. Dosmukhamedov Atyrau University, Atyrau, Kazakhstan
Caspian University of Technology and Engineering named after Sh. Yessenov, Аktаu, Kazakhstan
Kh. Dosmukhamedov Atyrau University
Caspian University of Technology and Engineering named after Sh. Yessenov
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