Fluid inclusions in fibrous diamonds
Most diamonds are metasomatic minerals, which means they grew from fluids or melts that
moved through solid mantle rocks and chemically interacted with them. The involvement of …
moved through solid mantle rocks and chemically interacted with them. The involvement of …
Natural records of supercritical fluids in subduction zones
A supercritical fluid (SCF) in a silicate-H 2 O system was generally regarded as a
homogeneous phase formed under pressure and temperature (PT) conditions higher than …
homogeneous phase formed under pressure and temperature (PT) conditions higher than …
Origin of low-MgO primitive intraplate alkaline basalts from partial melting of carbonate-bearing eclogite sources
Alkaline basalts occur widely in intraplate settings and carbonate-bearing mantle sources
such as carbonated peridotites are increasingly regarded to play a key role in their …
such as carbonated peridotites are increasingly regarded to play a key role in their …
Pervasive hydrous carbonatitic liquids mediate transfer of carbon from the slab to the subarc mantle
Carbonatitic liquids, as a medium for transferring carbon from the slab to the mantle at
subarc depths, are thought to be restricted either to the hottest conditions or to be the …
subarc depths, are thought to be restricted either to the hottest conditions or to be the …
Coupled cycling of carbon and water in the form of hydrous carbonatitic liquids in the subarc region
W Chen, S Keshav, W Peng… - Journal of Geophysical …, 2023 - Wiley Online Library
The melting behavior of subducted ophicarbonate is experimentally investigated under
conditions relevant for slabs at subarc depths (2.5–6 GPa and 650–1000° C). Hydrous …
conditions relevant for slabs at subarc depths (2.5–6 GPa and 650–1000° C). Hydrous …
Mantle geothermometry: Experimental evaluation and recalibration of Fe–Mg geothermometers for garnet-clinopyroxene and garnet-orthopyroxene in peridotite …
The reliability of eight Fe–Mg exchange geothermobarometers for garnet-bearing
peridotites, pyroxenites and eclogites has been examined using a database comprised of …
peridotites, pyroxenites and eclogites has been examined using a database comprised of …
Supercritical fluid in deep subduction zones as revealed by multiphase fluid inclusions in an ultrahigh-pressure metamorphic vein
D Jin, Y Xiao, DB Tan, YY Wang… - Proceedings of the …, 2023 - National Acad Sciences
Due to their low viscosity, high mobility, and high element contents, supercritical fluids are
important agents in the cycling of elements. However, the chemical composition of …
important agents in the cycling of elements. However, the chemical composition of …
Recycled carbonates elevate the electrical conductivity of deeply subducting eclogite in the Earth's interior
The elevated pressure and temperature conditions encountered by a subducted slab
entering the deep Earth can substantially alter the chemical composition and physical …
entering the deep Earth can substantially alter the chemical composition and physical …
Carbon dioxide released from subducted oceanic crust by hydrous carbonatitic liquids
Y Zhang, C Wang, W Li, Z Jin - Geophysical Research Letters, 2023 - Wiley Online Library
Aqueous fluids are essential to extract slab‐trapped carbon at forearc to subarc depths and
interpret the decarbonation efficiency of global subduction zones. A large amount of carbon …
interpret the decarbonation efficiency of global subduction zones. A large amount of carbon …
Composition of supercritical fluid in carbonate-and chlorine-bearing pelite at conditions of subduction zones
AG Sokol, OA Kozmenko, AN Kruk - Contributions to Mineralogy and …, 2023 - Springer
The composition of fluid from carbonate-and chlorine-bearing pelite has been studied at 5.5
GPa, 850–1030° C and at 7.8 GPa, 940–1090° C using the diamond trap method. The run …
GPa, 850–1030° C and at 7.8 GPa, 940–1090° C using the diamond trap method. The run …