Topography of the transition zone seismic discontinuities

G Helffrich - Reviews of Geophysics, 2000 - Wiley Online Library
Phase transformations in mantle mineralogies probably cause the transition zone seismic
discontinuities, nominally at 410, 520, and 660 km depth. Thermodynamic principles govern …

Thermodynamic properties and phase relations in mantle minerals investigated by first principles quasiharmonic theory

RM Wentzcovitch, YG Yu, Z Wu - Reviews in Mineralogy …, 2010 - pubs.geoscienceworld.org
This research has been motivated by geophysics and materials physics. The objective of this
research has been to advance materials theory and computations for high pressure and …

[图书][B] Physics of the Earth

FD Stacey, PM Davis - 2008 - books.google.com
The fourth edition of Physics of the Earth maintains the original philosophy of this classic
graduate textbook on fundamental solid earth geophysics, while being completely revised …

Global mapping of topography on transition zone velocity discontinuities by stacking SS precursors

MP Flanagan, PM Shearer - Journal of Geophysical Research …, 1998 - Wiley Online Library
We stack long‐period, transverse‐component seismograms recorded by the Global Digital
Seismograph Network (GDSN)(1976–1996), Incorporated Research Institutions for …

Petrology, elasticity, and composition of the mantle transition zone

J Ita, L Stixrude - Journal of Geophysical Research: Solid Earth, 1992 - Wiley Online Library
We compare the predictions of compositional models of the mantle transition zone to
observed seismic properties by constructing phase diagrams in the MgO‐FeO‐CaO‐Al2O3 …

Analysis of PVT data: constraints on the thermoelastic properties of high-pressure minerals

I Jackson, SM Rigden - Physics of the earth and planetary interiors, 1996 - Elsevier
The availability of precise determinations of unit cell volumes of mantle minerals as functions
of both pressure and temperature through synchotron-based X-ray diffraction has motivated …

Elastic properties of hydrous ringwoodite (γ-phase) in Mg2SiO4

T Inoue, DJ Weidner, PA Northrup, JB Parise - Earth and Planetary Science …, 1998 - Elsevier
Single-crystal elastic properties of hydrous ringwoodite are reported for samples that were
synthesized at 19 GPa and 1300° C. The Mg/Si ratio is determined to be∼ 1.95 by EPMA …

Seismic structure of the upper mantle in a central Pacific corridor

JB Gaherty, TH Jordan, LS Gee - Journal of Geophysical …, 1996 - Wiley Online Library
The seismic structure of the Tonga‐Hawaii corridor has been investigated by combining two
data sets: Revenaugh and Jordan's reflectivity profile from ScS reverberations, which …

Computation of seismic profiles from mineral physics: the importance of the non-olivine components for explaining the 660 km depth discontinuity

P Vacher, A Mocquet, C Sotin - Physics of the Earth and Planetary Interiors, 1998 - Elsevier
The recent increasing number of experimental works leads us to review the elastic
properties and mineralogical transformations of mantle minerals. The updated data set is …

Seismic observations of splitting of the mid-transition zone discontinuity in Earth's mantle

A Deuss, J Woodhouse - Science, 2001 - science.org
The transition zone of Earth's mantle is delineated by globally observed discontinuities in
seismic properties at depths of about 410 and 660 kilometers. Here, we investigate the …