Intraplate volcanism originating from upwelling hydrous mantle transition zone
J Yang, M Faccenda - Nature, 2020 - nature.com
Most magmatism occurring on Earth is conventionally attributed to passive mantle upwelling
at mid-ocean ridges, to slab devolatilization at subduction zones, or to mantle plumes …
at mid-ocean ridges, to slab devolatilization at subduction zones, or to mantle plumes …
Insights into magma ocean dynamics from the transport properties of basaltic melt
The viscosity of magma plays a crucial role in the dynamics of the Earth: from the
crystallization of a magma ocean during its initial stages to modern-day volcanic processes …
crystallization of a magma ocean during its initial stages to modern-day volcanic processes …
[HTML][HTML] Fingerprinting secondary mantle plumes
Many vertical seismic velocity anomalies observed below different parts of the Eurasian
plate are rooted in the transition zone between the upper and lower mantle (410–660 km) …
plate are rooted in the transition zone between the upper and lower mantle (410–660 km) …
High-pressure single-crystal elasticity of wadsleyite and the seismic signature of water in the shallow transition zone
Earth's transition zone at depths between 410 km and 660 km plays a key role in Earth's
deep water cycle since large amounts of hydrogen can be stored in the nominally anhydrous …
deep water cycle since large amounts of hydrogen can be stored in the nominally anhydrous …
[HTML][HTML] Hydrous silicate melts and the deep mantle H2O cycle
We report ab initio atomistic simulations of hydrous silicate melts under deep upper mantle
to shallow lower mantle conditions and use them to parameterise density and viscosity …
to shallow lower mantle conditions and use them to parameterise density and viscosity …
Pressure‐induced coordination changes in a pyrolitic silicate melt from ab initio molecular dynamics simulations
NV Solomatova, R Caracas - Journal of Geophysical Research …, 2019 - Wiley Online Library
With ab initio molecular dynamics simulations on a Na‐, Ca‐, Fe‐, Mg‐, and Al‐bearing
silicate melt of pyrolite composition, we examine the detailed changes in elemental …
silicate melt of pyrolite composition, we examine the detailed changes in elemental …
Water quantification in silicate glasses by Raman spectroscopy: Correcting for the effects of confocality, density and ferric iron
New series of alumino-silicate glasses spanning a wide range of chemical compositions
(basanites, tholeiitic basalts, calcalkaline andesites, peraluminous and peralkaline rhyolites) …
(basanites, tholeiitic basalts, calcalkaline andesites, peraluminous and peralkaline rhyolites) …
Remnant of the late Permian superplume that generated the Siberian Traps inferred from geomagnetic data
Mantle plumes have played a key role in tectonic events such as continental break-up and
large magmatic events since at least the formation of Gondwana. However, as their …
large magmatic events since at least the formation of Gondwana. However, as their …
Constraining olivine abundance and water content of the mantle at the 410-km discontinuity from the elasticity of olivine and wadsleyite
Velocity and density jumps across the 410-km seismic discontinuity generally indicate
olivine contents of∼ 30 to 50 vol.% on the basis of the elastic properties of anhydrous …
olivine contents of∼ 30 to 50 vol.% on the basis of the elastic properties of anhydrous …
Stochastic inversion of geomagnetic observatory data including rigorous treatment of the ocean induction effect with implications for transition zone water content and …
FD Munch, AV Grayver, A Kuvshinov… - Journal of Geophysical …, 2018 - Wiley Online Library
In this paper we estimate and invert local electromagnetic (EM) sounding data for 1‐D
conductivity profiles in the presence of nonuniform oceans and continents to most rigorously …
conductivity profiles in the presence of nonuniform oceans and continents to most rigorously …