High-pressure chemistry of nitride-based materials

E Horvath-Bordon, R Riedel, A Zerr… - Chemical Society …, 2006 - pubs.rsc.org
Besides temperature at one atmosphere, the applied pressure is another important
parameter for influencing and controlling reaction pathways and final reaction products. This …

Slab melting as a barrier to deep carbon subduction

AR Thomson, MJ Walter, SC Kohn, RA Brooker - Nature, 2016 - nature.com
Interactions between crustal and mantle reservoirs dominate the surface inventory of volatile
elements over geological time, moderating atmospheric composition and maintaining a life …

Melting of garnet peridotite and the origin of komatiite and depleted lithosphere

MJ Walter - Journal of petrology, 1998 - academic.oup.com
Melting experiments on fertile peridotite KR4003, a 'pyrolitic'composition, were made from 3
to 7 GPa in piston-cylinder and multi-anvil apparatus. Temperature gradients across the …

The pMELTS: A revision of MELTS for improved calculation of phase relations and major element partitioning related to partial melting of the mantle to 3 GPa

MS Ghiorso, MM Hirschmann… - Geochemistry …, 2002 - Wiley Online Library
We describe a newly calibrated model for the thermodynamic properties of magmatic silicate
liquid. The new model, pMELTS, is based on MELTS [Ghiorso and Sack, 1995] but has a …

Multianvil high-pressure/high-temperature synthesis in solid state chemistry

H Huppertz - Zeitschrift für Kristallographie-Crystalline Materials, 2004 - degruyter.com
During the last 60 years, new high pressure techniques and their exploitation have permitted
the extension of attainable pressure/volume conditions, increased versatility of the …

Experimentally determined postspinel transformation boundary in Mg2SiO4 using MgO as an internal pressure standard and its geophysical implications

Y Fei, J Van Orman, J Li… - Journal of …, 2004 - Wiley Online Library
We have determined the postspinel transformation boundary in Mg2SiO4 by combining
quench technique with in situ pressure measurements, using multiple internal pressure …

Characterising the sample environment in multianvil high-pressure experiments

DC Rubie - Phase Transitions, 1999 - Taylor & Francis
The multianvil apparatus is used to generate conditions up to about 3100K and 26GPa with
sample volumes of 1-12 mm3. Because high pressures and temperatures are stable over …

Thermal diffusivity and conductivity of olivine, wadsleyite and ringwoodite to 20 GPa and 1373 K

Y Xu, TJ Shankland, S Linhardt, DC Rubie… - Physics of the Earth and …, 2004 - Elsevier
We present results of lattice thermal diffusivity measurements on (Mg0. 9Fe0. 1) 2SiO4
olivine and its high-pressure polymorphs wadsleyite and ringwoodite under mantle …

A nearly water-saturated mantle transition zone inferred from mineral viscosity

H Fei, D Yamazaki, M Sakurai, N Miyajima, H Ohfuji… - Science …, 2017 - science.org
An open question for solid-earth scientists is the amount of water in Earth's interior. The
uppermost mantle and lower mantle contain little water because their dominant minerals …

Post-spinel transition in Mg2SiO4 determined by high P–T in situ X-ray diffractometry

T Katsura, H Yamada, T Shinmei, A Kubo, S Ono… - Physics of the Earth and …, 2003 - Elsevier
The phase boundary of the post-spinel transition in Mg2SiO4 was re-investigated by means
of high P–T in situ X-ray diffractometry with a gold pressure marker in a Kawai-type …