Thermal expansivity, heat capacity and bulk modulus of the mantle

L Stixrude, C Lithgow-Bertelloni - Geophysical Journal …, 2022 - academic.oup.com
We derive exact expressions for the thermal expansivity, heat capacity and bulk modulus for
assemblages with arbitrarily large numbers of components and phases, including the …

Thermodynamics of mantle minerals–III: the role of iron

L Stixrude, C Lithgow-Bertelloni - Geophysical Journal …, 2024 - academic.oup.com
We expand the scope of HeFESTo by encompassing the rich physics of iron in the mantle,
including the existence of multiple valence and spin states. In our previous papers, we …

Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures

AM Dymshits, PI Dorogokupets, IS Sharygin… - Physics and Chemistry …, 2016 - Springer
A new synchrotron X-ray diffraction study of chromium oxide Cr 2 O 3 (eskolaite) with the
corundum-type structure has been carried out in a Kawai-type multi-anvil apparatus to …

Equation of state for Mg3Al2Si3O12 pyrope: Implications for post-garnet transitions and mantle dynamics

AM Dymshits, PI Dorogokupets, IS Sharygin… - Physics of the Earth and …, 2023 - Elsevier
Mantle convection is the dominant process driving the upwelling of hot materials and
subduction of cold slabs. These processes are density-dependent and influenced by post …

[PDF][PDF] 石榴子石族矿物状态方程研究进展

范大伟, 李博, 陈伟, 许金贵, 匡云倩, 叶之琳… - 高压物理 …, 2018 - researchgate.net
石榴子石是重要的造岩矿物, 是上地幔, 地幔转换带以及(超) 高压变质岩中最重要的造岩矿物之
一, 研究其状态方程对于约束地球内部物质组成和状态, 正确理解大洋岩石圈俯冲板块和地幔 …

Effects of water on PVT equation of state of pyrope

D Fan, C Lu, J Xu, B Yan, B Yang, J Chen - Physics of the Earth and …, 2017 - Elsevier
High-pressure single-crystal/powder synchrotron X-ray diffraction was carried out on a
hydrous pure magnesium pyrope (Mg 3 Al 2 Si 3 O 12) containing 900 ppmw H 2 O …

Thermoelastic properties of grossular–andradite solid solution at high pressures and temperatures

D Fan, Y Kuang, J Xu, B Li, W Zhou, H Xie - Physics and Chemistry of …, 2017 - Springer
The pressure–volume–temperature (P–V–T) equation of state (EoS) of synthetic grossular
(Grs)–andradite (And) solid-solution garnet sample have been measured at high …

Thermal equation of state of majoritic knorringite and its significance for continental upper mantle

AM Dymshits, KD Litasov, IS Sharygin… - Journal of …, 2014 - Wiley Online Library
Abstract The P‐V‐T equation of state (EoS) for majoritic knorringite Mg3. 19Cr1. 60Si3.
19O12 at pressures to 17 GPa and temperatures to 1673 K was obtained from in situ X‐ray …

PVT equation of state of Ca3Cr2Si3O12 uvarovite garnet by using a diamond-anvil cell and in-situ synchrotron X-ray diffraction

D Fan, J Xu, M Ma, S Wei, B Zhang, J Liu… - American …, 2015 - degruyter.com
The pressure-volume-temperature (PVT) equation of state (EoS) of synthetic uvarovite has
been measured at high temperatures up to 900 K and high pressures up to 16.20 GPa, by …

PVT equation of state of spessartine–almandine solid solution measured using a diamond anvil cell and in situ synchrotron X-ray diffraction

D Fan, J Xu, M Ma, J Liu, H Xie - Physics and Chemistry of Minerals, 2015 - Springer
The pressure–volume–temperature (P–V–T) equation of state (EoS) of two natural garnet
samples along spessartine–almandine (Spe–Alm) join has been measured at high …