Hydrogen in the deep Earth

Q Williams, RJ Hemley - Annual Review of Earth and Planetary …, 2001 - annualreviews.org
▪ Abstract The mechanisms of exchange of hydrogen between the deep interior and surface
of Earth, as well as the means of retention and possible abundance of hydrogen deep within …

Water in the Earth's mantle

N Bolfan-Casanova - Mineralogical Magazine, 2005 - cambridge.org
Water plays an important role in most processes within the Earth's mantle, eg transport
phenomena, differentiation and seismic properties. This paper reviews the various aspects …

Hydrous mantle transition zone indicated by ringwoodite included within diamond

DG Pearson, FE Brenker, F Nestola, J McNeill… - Nature, 2014 - nature.com
The ultimate origin of water in the Earth's hydrosphere is in the deep Earth—the mantle.
Theory and experiments,, have shown that although the water storage capacity of olivine …

Water in Earth's mantle: the role of nominally anhydrous minerals

DR Bell, GR Rossman - Science, 1992 - science.org
Most minerals of Earth's upper mantle contain small amounts of hydrogen, structurally bound
as hydroxyl (OH). The OH concentration in each mineral species is variable, in some cases …

Solubility of water in the α, β and γ phases of (Mg,Fe)2SiO4

DL Kohlstedt, H Keppler, DC Rubie - Contributions to Mineralogy and …, 1996 - Springer
The solubility of hydroxyl in the α, β and γ phases of (Mg, Fe) 2 SiO 4 was investigated by
hydrothermally annealing single crystals of San Carlos olivine. Experiments were performed …

Dehydration melting at the top of the lower mantle

B Schmandt, SD Jacobsen, TW Becker, Z Liu… - Science, 2014 - science.org
The high water storage capacity of minerals in Earth's mantle transition zone (410-to 660-
kilometer depth) implies the possibility of a deep H2O reservoir, which could cause …

Intensive hydration of the mantle transition zone beneath China caused by ancient slab stagnation

T Kuritani, E Ohtani, JI Kimura - Nature Geoscience, 2011 - nature.com
The mantle transition zone, located at depths of 410–660 km between the lower and upper
mantle, is an important water reservoir in the Earth's interior,,,. However, there are regional …

Water content in the transition zone from electrical conductivity of wadsleyite and ringwoodite

X Huang, Y Xu, S Karato - Nature, 2005 - nature.com
The distribution of water in the Earth's interior reflects the way in which the Earth has
evolved, and has an important influence on its material properties. Minerals in the transition …

Water partitioning between nominally anhydrous minerals in the MgO–SiO2–H2O system up to 24 GPa: implications for the distribution of water in the Earth's mantle

N Bolfan-Casanova, H Keppler, DC Rubie - Earth and Planetary Science …, 2000 - Elsevier
Multi-anvil experiments have been conducted in the MgO–SiO2–H2O system at pressures of
15–24 GPa and temperatures of 1200–1600° C to investigate the partitioning of water …

Hydrous modified spinel, Mg1.75SiH0.5O4: A new water reservoir in the mantle transition region

T Inoue, H Yurimoto, Y Kudoh - Geophysical Research Letters, 1995 - Wiley Online Library
The water content in modified spinel, synthesized at 15.5 GPa under hydrous conditions,
has been measured by means of secondary ion mass spectrometry (SIMSrpar;. We found …