Structure, materials and processes in the Earth's core and mantle

V Dehant, SA Campuzano, A De Santis… - Surveys in …, 2022 - Springer
This paper reviews current knowledge about the Earth's core and the overlying deep mantle
in terms of structure, chemical and mineralogical compositions, physical properties, and …

Solidus melting of pyrolite and bridgmanite: Implication for the thermochemical state of the Earth's interior

R Pierru, L Pison, A Mathieu, E Gardés… - Earth and Planetary …, 2022 - Elsevier
Melting properties of the deep mantle remain controversial due to experimental difficulties;
eg, reports of solidus temperatures of mantle-relevant compositions span over∼ 700 K at …

Ab Initio Atomistic Simulations of Ca‐Perovskite Melting

JA Hernandez, CE Mohn, MG Guren… - Geophysical …, 2022 - Wiley Online Library
Melting curves of Ca‐perovskite (pure CaSiO3) were determined by ab initio density
functional theory, using two solid‐liquid coexistence methods and two free energy …

Low melting temperature of anhydrous mantle materials at the core‐mantle boundary

T Kim, B Ko, E Greenberg… - Geophysical …, 2020 - Wiley Online Library
One of the central challenges in accurately estimating the mantle melting temperature is the
sensitivity of the probe for detecting a small amount of melt at the solidus. To address this …

Discovery of Elgoresyite, (Mg,Fe)5Si2O9: Implications for Novel Iron-Magnesium Silicates in Rocky Planetary Interiors

L Bindi, R Sinmyo, E Bykova… - ACS Earth and Space …, 2021 - ACS Publications
As the most abundant material of rocky planets, high-pressure polymorphs of iron-and
aluminum-bearing magnesium silicates have long been sought by both observations and …

Lower Mantle Melting: Experiments and Thermodynamic Modeling in the System MgO‐SiO2

J Yao, DJ Frost… - Journal of Geophysical …, 2021 - Wiley Online Library
Characterizing and modeling melting relations in the system MgO‐SiO2 at lower mantle
pressures rely on the location of the eutectic points for MgO‐MgSiO3 and MgSiO3‐SiO2 …

Olivine melting at high pressure condition in the chassignite Northwest Africa 2737

M Miyahara, E Ohtani, M Nishijima… - Physics of the Earth and …, 2019 - Elsevier
Shock-induced melting textures and assemblages in the chassignite Northwest Africa (NWA)
2737 were investigated. NWA 2737 consists mainly of coarse-grained olivine (Fa 19.6–20.5) …

Melting phase equilibrium relations in the MgSiO3-SiO2 system under high pressures

T Moriguti, Y Yachi, A Yoneda, E Ito - American Mineralogist, 2022 - degruyter.com
Melting relations in the MgSiO3-SiO2 system have been investigated at 13.5 GPa using a
Kawai-type multi-anvil apparatus. The system displays eutectic melting with the eutectic …