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Shocked meteorites provide clues to Earth's lower mantle（图）
Shocked meteorites provide clues Earth lower mantle
2020/2/20
Deep below Earth's surface lies a thick rocky layer called the mantle, which makes up the majority of our planet's volume. While Earth's mantle is too deep for humans to observe directly, certain mete...
Direct shock wave loading of Stishovite to 235 GPa: Implications for perovskite stability relative to an oxide assemblage at lower mantle conditions
perovskite stability ower mantle conditions Direct shock
2014/4/8
Pure stishovite and coesite samples with zero porosity
and dimensions appropriate for planar shock wave
experiments have been synthesized with multi-anvil highpressure techniques. The equation of st...
Reaction between magnesiowüstite of lower mantle composition and core-forming Fe-Ni alloy at 1-40 Gpa
Reaction magnesiowüstite lower mantle composition core-forming Fe-Ni alloy 1-40 Gpa
2012/4/5
OneclassofmodelsfortheearlyhistoryoftheEarthrequiresthepresent-dayinventory
ofsiderophileelementsinthemantletohavebeenestablishedbyequilibriumpartitioning
betweencore-formingmetalandmantlemineralsat...
Elastic properties of orthorhombic MgSiO3 perovskite at lower mantle pressures
Elastic properties orthorhombic MgSiO3 perovskite lower mantle pressures
2012/4/5
ThefullelasticconstanttensoroforthorhombicMgSiO perovskitehasbeendetermined
from?rstprinciplesforthe?rsttimeathighpressureusingtheplane-wavepseudopotential
method.Theathermalelasticmoduli,determined...
Prediction of phase transition in CaSiO3 perovskite and implications for lower mantle structure
Prediction phase transition CaSiO3 perovskite implications mantle structure
2012/4/6
First-principleslinear-response calculations wereusedto investigate the lattice dynamics ofwhatis thought to be the third mostabundant phase in the lower mantle,CaSi03 perovskite.Thecommonly assumed c...