On the role of the porous shell of the solid core of the earth in the anomalous heat and mass flow to the mantle

被引:0
作者
S. A. Pikin
机构
[1] Russian Academy of Sciences,Shubnikov Institute of Crystallography
来源
Crystallography Reports | 2013年 / 58卷
关键词
Heat Flow; Rayleigh Number; Porous Layer; Crystallography Report; Light Fraction;
D O I
暂无
中图分类号
学科分类号
摘要
The model of the pressure-induced first-order phase transition of a metal melt to the metallicglass state considers a thermodynamically nonequilibrium porous near-surface shell of the solid core of the Earth, which contacts cyclonic vortices in the liquid core. Anomalous flows of heat and light-material mass to the mantle from the solid core at these contact points are calculated. These anomalous flows are shown to be comparable with the observed ones under the assumption of a rapid increase in the melt viscosity at pressures of 1–10 Mbar, which is characteristic of a solid core. In this case, the porous layer permeability may be very low.
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页码:308 / 313
页数:5
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