Hydration and dehydration in Earth's interior
E Ohtani - Annual Review of Earth and Planetary Sciences, 2021 - annualreviews.org
Hydrogen and deuterium isotopic evidence indicates that the source of terrestrial water was
mostly meteorites, with additional influx from nebula gas during accretion. There are two …
mostly meteorites, with additional influx from nebula gas during accretion. There are two …
Silica-water superstructure and one-dimensional superionic conduit in Earth's mantle
Water in Earth's deep interior is predicted to be hydroxyl (OH−) stored in nominally
anhydrous minerals, profoundly modulating both structure and dynamics of Earth's mantle …
anhydrous minerals, profoundly modulating both structure and dynamics of Earth's mantle …
Role of water in dynamics of slabs and surrounding mantle
Water bound to various hydrous minerals can be transported deep into the mantle by slab
subduction. Serpentine is one of most important hydrous minerals in the crust and shallow …
subduction. Serpentine is one of most important hydrous minerals in the crust and shallow …
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 …
(DG2) and a carbonated pelite with 1· 1 wt% H2O (AM) have been experimentally …
Lower-mantle water reservoir implied by the extreme stability of a hydrous aluminosilicate
The source rocks for basaltic lavas that form ocean islands are often inferred to have risen
as part of a thermal plume from the lower mantle. These rocks are water-rich compared with …
as part of a thermal plume from the lower mantle. These rocks are water-rich compared with …
Superhydrous aluminous silica phases as major water hosts in high-temperature lower mantle
Water transported by subducted oceanic plates changes mineral and rock properties at high
pressures and temperatures, affecting the dynamics and evolution of the Earth's interior …
pressures and temperatures, affecting the dynamics and evolution of the Earth's interior …
Hydrous minerals and the storage of water in the deep mantle
E Ohtani - Chemical Geology, 2015 - Elsevier
Water is transported into the deep mantle via hydrous minerals in subducting slabs. During
subduction, a series of minerals in these slabs such as serpentine or chlorite, Mg–sursassite …
subduction, a series of minerals in these slabs such as serpentine or chlorite, Mg–sursassite …
Water concentration in single‐crystal (Al, Fe)‐bearing bridgmanite grown from the hydrous melt: Implications for dehydration melting at the topmost lower mantle
High‐quality single‐crystals of (Al, Fe)‐bearing bridgmanite, Mg0. 88 Fe3+ 0.065 Fe2+
0.035 Al0. 14Si0. 90O3, of hundreds of micrometer size were synthesized at 24 GPa and …
0.035 Al0. 14Si0. 90O3, of hundreds of micrometer size were synthesized at 24 GPa and …
Water speciation and hydrogen isotopes in hydrous stishovite: implications for the deep Earth water cycle
Stishovite is a key mineral for understanding the deep Earth water cycle because of its
potential as a main carrier for water into the transition zone and lower mantle. During …
potential as a main carrier for water into the transition zone and lower mantle. During …
The solidus of carbonated eclogite in the system CaO–Al2O3–MgO–SiO2–Na2O–CO2 to 32 GPa and carbonatite liquid in the deep mantle
K Litasov, E Ohtani - Earth and Planetary Science Letters, 2010 - Elsevier
Melting phase relations have been determined in a model carbonated eclogite (5wt.% CO2)
at 10.5–32.0 GPa and 1300–1850° C. The assemblage of silicate minerals coexisting with …
at 10.5–32.0 GPa and 1300–1850° C. The assemblage of silicate minerals coexisting with …