Structural and Magnetic Phase Transitions in Minerals |
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Page 103
... lower - mantle pressures and temperatures , for which only room tem- perature experimental data exist , must be at least approximately correct . Hence , a judicious combination of mineral data and theory ... Lower - Mantle Conditions 103.
... lower - mantle pressures and temperatures , for which only room tem- perature experimental data exist , must be at least approximately correct . Hence , a judicious combination of mineral data and theory ... Lower - Mantle Conditions 103.
Page 107
... lower - mantle conditions . The uncertainties in the high - pressure density of ( Mg , Fe ) O and ( Mg , Fe ) SiO , perovskite are small . What is not known experimentally is the effect of temperature on the ... Lower - Mantle Conditions 107.
... lower - mantle conditions . The uncertainties in the high - pressure density of ( Mg , Fe ) O and ( Mg , Fe ) SiO , perovskite are small . What is not known experimentally is the effect of temperature on the ... Lower - Mantle Conditions 107.
Page 109
... lower mantle and the need to force unlikely values on the temperature and ther- modynamic parameters of a pure perovskite lower - mantle model give the latter a relatively low probability of being correct . At the very least , our ...
... lower mantle and the need to force unlikely values on the temperature and ther- modynamic parameters of a pure perovskite lower - mantle model give the latter a relatively low probability of being correct . At the very least , our ...
Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Multicritical Phase Relations in Minerals | 60 |
Copyright | |
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Other editions - View all
Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Limited preview - 2012 |
Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Snippet view - 1988 |
Structural and Magnetic Phase Transitions in Minerals S. Ghose,J.M.D. Coey,E. Salje Snippet view - 1988 |
Common terms and phrases
a-ẞ transition anisotropy ANNNI model antiferromagnetic approximation atoms axis Bachheimer Ballet behavior berlinite Bukowinski calculated canting Chem chemical Co₂SiO4 Coey components composition coupling crystal field crystal structure crystallographic Davidson decreases density Di-En disordered Dolino Earth Planet electron equilibrium experimental Fe² Fe2+ Fe2SiO4 Fe³ feldspar ferromagnetic free energy Geophys Ghose grunerite high pressure high-spin ilvaite inc phase incommensurate phase interactions ions Jeanloz Landau theory lattice layers Lindsley low temperatures lower mantle LS transition M2 sites magnetic order magnetic phase transitions magnetic properties magnetic structure Matsui measurements MgSiO3 Mineral Mn2SiO4 mode Mössbauer neutron diffraction observed octahedral olivines order parameter orthopyroxene orthorhombic pairs perovskite phase diagrams phase transition Phys polytypes polytypic phases predicted pyroxenes quartz Salje sample shown in Fig silicates SiO2 solid solution space group spin glass ẞ phase susceptibility symmetry temperature dependence thermal expansion thermodynamic tion transformation X-ray zero pressure