Redox freezing and melting in the Earth's deep mantle resulting from carbon–iron redox coupling

A Rohrbach, MW Schmidt - Nature, 2011 - nature.com
Very low seismic velocity anomalies in the Earth's mantle, may reflect small amounts of melt
present in the peridotite matrix, and the onset of melting in the Earth's upper mantle is likely …

The melting of carbonated pelites from 70 to 700 km depth

D Grassi, MW Schmidt - Journal of Petrology, 2011 - academic.oup.com
Phase assemblages, melting relations and melt compositions of a dry carbonated pelite
(DG2) and a carbonated pelite with 1· 1 wt% H2O (AM) have been experimentally …

High pressure generation using scaled-up Kawai-cell

A Shatskiy, T Katsura, KD Litasov… - Physics of the Earth and …, 2011 - Elsevier
A scaled-up version of a 6–8 Kawai-type multianvil apparatus equipped with 47-mm WC
anvils has been developed at the Institute for the Study of the Earth's Interior for operation …

An experimental investigation of the stability of majoritic garnet in the Earth's mantle and an improved majorite geobarometer

CH Wijbrans, A Rohrbach, S Klemme - Contributions to Mineralogy and …, 2016 - Springer
The stability of the majorite component in garnet has been experimentally investigated at
high pressure and high temperature, focusing on the effect of bulk composition and …

Element partitioning during carbonated pelite melting at 8, 13 and 22 GPa and the sediment signature in the EM mantle components

D Grassi, MW Schmidt, D Günther - Earth and Planetary Science Letters, 2012 - Elsevier
Within the subducting oceanic crust, carbonated eclogitic pelites are the lithology with the
lowest melting temperature at> 5GPa, ie at depths beyond major subarc dehydration. 200 …

Melting of phase D in the lower mantle and implications for recycling and storage of H2O in the deep mantle

S Ghosh, MW Schmidt - Geochimica et Cosmochimica Acta, 2014 - Elsevier
We determined the melting phase relations and conditions of the dense hydrous magnesium
silicate phase D (nominally MgSi 2 O 4 (OH) 2) on composition in MgO–SiO 2–H 2 O (MSH) …

Melting of siderite to 20 GPa and thermodynamic properties of FeCO3-melt

N Kang, MW Schmidt, S Poli, E Franzolin… - Chemical …, 2015 - Elsevier
The siderite (FeCO 3) melting curve is determined through multi-anvil experiments at 6–20
GPa, and 1300–1870° C. The experiments define a melting curve with a Clapeyron slope …

Sulfur and phosphorus in the Earth's core: The Fe‐P‐S system at 23 GPa

AJ Stewart, MW Schmidt - Geophysical Research Letters, 2007 - Wiley Online Library
Phosphorus is an important element believed to be present in the Earth's core. As a non‐
metal, its solubility in iron is limited, leading to the precipitation of phosphides at high …

Large-volume multianvil cells designed for chemical synthesis at high pressures

E Stoyanov, U Häussermann… - High Pressure …, 2010 - Taylor & Francis
Two multianvil cell assemblies with octahedral edge lengths (OEL) of 18 and 25 mm have
been developed, which allow sample volumes of up to 153 and 387 mm3, respectively …

The effect of fluorine on the stability of wadsleyite: Implications for the nature and depths of the transition zone in the Earth's mantle

T Gruetzner, S Klemme, A Rohrbach… - Earth and Planetary …, 2018 - Elsevier
The Earth's mantle contains significant amounts of volatile elements, such as hydrogen (H),
carbon (C) and the halogens fluorine (F), chlorine (Cl) and bromine (Br) and iodine (I). There …