Structural and Magnetic Phase Transitions in MineralsThis volume in Advances in Physical Geochemistry presents the latest synthesis of theory and experimental data pertaining to structural and magnetic phase transitions in a variety of geochemically important minerals. The book is the first to cover the impact of this rapidly progressing area of solid state physics in earth sciences and reflects its growing significance for mineralogy and petrology. |
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Page 101
We have therefore computed its density at pressures and densities spanning
those of the lower mantle . The computed equation of state is shown in Fig . 9 ,
along with available room temperature data . The computed zero pressure
density is ...
We have therefore computed its density at pressures and densities spanning
those of the lower mantle . The computed equation of state is shown in Fig . 9 ,
along with available room temperature data . The computed zero pressure
density is ...
Page 107
The uncertainties in the high - pressure density of ( Mg , Fe ) and ( Mg , Fe ) SiO3
perovskite are small . What is not known experimentally is the effect of
temperature on the high - pressure density and the adiabatic compressibility .
However ...
The uncertainties in the high - pressure density of ( Mg , Fe ) and ( Mg , Fe ) SiO3
perovskite are small . What is not known experimentally is the effect of
temperature on the high - pressure density and the adiabatic compressibility .
However ...
Page 108
77 Ko + 5 Ko ' + 0.3 PEROVSKITE ( 2500 K ) 76 75 XFe + 0.02 1.2 a 74 73
SEISMIC PARAMETER ( Km2 5 ?, og + 1 72 71 UPPER MANTLE ( 1900 K ) 70
30 GPa 69 4.4 4.43 4.52 4.46 4.49 DENSITY ( gm / cc ) 116 Ko ' + 0.3 114 Ko + 5
...
77 Ko + 5 Ko ' + 0.3 PEROVSKITE ( 2500 K ) 76 75 XFe + 0.02 1.2 a 74 73
SEISMIC PARAMETER ( Km2 5 ?, og + 1 72 71 UPPER MANTLE ( 1900 K ) 70
30 GPa 69 4.4 4.43 4.52 4.46 4.49 DENSITY ( gm / cc ) 116 Ko ' + 0.3 114 Ko + 5
...
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Contents
Incommensurate Phase Transitions in Quartz and Berlinite | 17 |
Phase Separation in Quadrilateral Pyroxenes and Olivines | 39 |
Multicritical Phase Relations in Minerals | 60 |
Copyright | |
8 other sections not shown
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 |
Common terms and phrases
antiferromagnetic appears applied approximation atoms axis Ballet behavior bond calculated cation Chem chemical cluster Coey components composition constant corresponding coupling critical crystal decreases density dependence described determined diffraction direction disordered Dolino effect electron energy equilibrium estimated et al exchange experimental experiments Fe2+ Fe3+ ferromagnetic field function Ghose give given heat ilvaite inc phase increases indicate interactions ions iron lattice layers lower mantle magnetic magnetic order magnetic structure materials measurements Mineral mode Mössbauer natural neutron observed obtained occur octahedral olivines order parameter pairs perovskite phase diagrams phase transition Phys physical pigeonite polytypes positions possible potential predicted pressure properties pyroxenes quartz range respectively Salje sample shown shows silicates solid solution space group spin stability structure symmetry Table temperature theory thermodynamic tion transformation unit variation