McDonough, W. F. The composition of the lower mantle and core. In Terasaki, H. & Fischer, R. A. (eds.) Deep Earth: Physics and Chemistry of the Lower Mantle and Core chap. 12, 145 (Wiley, 2016) American Geophysical Union.McDonough, W. F. The composition of the lower mantle and ...
The thermal and chemical processes operating near the core-mantle boundary (CMB) play a major role in the planet's evolution, influencing the magnetic field behavior, chemical cycling in the mantle, irregularities in the rotation and gravitation of the planet, and the configuration of mantle convec...
A. The lower mantle sends only solid materials to the upper mantle which always causes the surface to sink B. The material exchange can lead to changes in the convection pattern in the mantle which may cause plate movement and affect the surface C. There is no real influence on the Earth'...
This is confirmed by cpx electron microprobe analyses from Ol- and Hbl-gabbros, which were also used to calculate the composition of the corresponding equilibrium melts in terms of Mg-number vs. Ti and Cr concentration, respectively. These melts have lower Mg-numbers and lower Ti concentrations ...
Diamond is an evidence for carbon existing in the deep Earth. Some diamonds are considered to have originated at various depth ranges from the mantle transition zone to the lower mantle. These diamonds are expected to carry significant information about
Search Advanced and citation search Within current journal Entire site Home > List of Issues > Table Of Contents > Book Review of Earth's Core and Lower Mantle, edited by C.A. Jones, A.M. Soward and K. Zhang, The Fluid Dynamics of Astrophysics and Geophysics, Vol. 11, Series Editors...
(by using the data on tectonic plate velocities, of global free-air gravity anomalies, of surface topography corrected for crustal isostasy, and the excess of dynamic ellipticity of the core-mantle boundary in accordance with Herring et al., 1986 and Mathews et al., 1999) have been ...
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In this review, we address the current status of numerical modeling of the mantle transition zone and uppermost lower mantle, focusing on the hydration mec... TNT Nakagawa - 《Annual Review of Earth & Planetary Sciences》 被引量: 0发表: 2019年 (2000) Composition of the Lower Mantle: Predict...
mantle, though the velocity properties of subducted materials at high P–T conditions have not yet been well investigated. Oceanic crust, which is the upper layer of the subducted oceanic lithosphere, has a quite distinctive chemical composition from the pyrolite model and is likely a major ...