The chemical and isotopic compositions of volatiles in magmatic hydrothermal fluids beneath the Songliao Basin, northeastern China
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2017.05.015
Abstract: Abstract It is controversial whether deep fluids can make contributions to natural gas accumulations in the Songliao Basin, NE China. The occurrence of magmatic hydrothermal quartz veins in crystalline basement of the basin provides a… read more here.
Keywords: songliao basin; isotopic compositions; co2; hydrothermal fluids ... See more keywords
Copper complexation and solubility in high-temperature hydrothermal fluids: A combined study by Raman, X-ray fluorescence, and X-ray absorption spectroscopies and ab initio molecular dynamics simulations
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2018.07.018
Abstract: Abstract Data for the solubility of CuS (reacting to Cu2S), Cu, and bornite + chalcopyrite + pyrite (reacting to Cu-Fe-S solid solution) in H2O + NaCl fluids were determined in situ using synchrotron-radiation X-ray fluorescence (SR-XRF) spectroscopy. The aqueous Cu concentrations… read more here.
Keywords: temperature; complexation; hydrothermal fluids; solubility ... See more keywords
Pathways and fate of REE in the shallow hydrothermal aquifer of Vulcano island (Italy)
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2019.02.037
Abstract: Abstract We investigated the geochemical behaviour of major and Rare Earth Elements (REE), together with oxygen and deuterium isotopic composition in the aquifer of Vulcano, the southernmost island of the Aeolian archipelago (Italy). Studied wells,… read more here.
Keywords: island; aquifer vulcano; hydrothermal fluids; pathways fate ... See more keywords
Unsynchronized evolution of salinity and pH of a Permian alkaline lake influenced by hydrothermal fluids: A multi-proxy geochemical study
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2020.119581
Abstract: Abstract Hyperalkaline waters display unusually high productivity, which makes them prime targets in the search for life elsewhere in the solar system. However, the formation mechanisms of alkaline waters are not well understood, because the… read more here.
Keywords: hydrothermal fluids; evolution salinity; alkaline lake; salinity ... See more keywords
The dissociation mechanism and thermodynamic properties of HCl(aq) in hydrothermal fluids (to 700 °C, 60 kbar) by ab initio molecular dynamics simulations
Sign Up to like & getrecommendations! Published in 2018 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2018.01.017
Abstract: Abstract HCl is one of the most significant volatiles in the Earth’s crust. It is well established that chloride activity and acidity (pH) play important roles in controlling the solubility of metals in aqueous hydrothermal… read more here.
Keywords: thermodynamic properties; temperature; dissociation; kbar ... See more keywords
Gold solubility in alkaline and ammonia-rich hydrothermal fluids: Insights from ab initio molecular dynamics simulations
Sign Up to like & getrecommendations! Published in 2020 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2019.12.031
Abstract: Abstract Knowledge of speciation and thermodynamic properties for aqueous gold complexes are important for both the understanding and numerical modelling of the formation of hydrothermal gold deposits. While gold speciation in chlorine- and sulfur-rich hydrothermal… read more here.
Keywords: molecular dynamics; nh3 complexes; hydrothermal fluids; gold ... See more keywords
Yttrium complexation and hydration in chloride-rich hydrothermal fluids: A combined ab initio molecular dynamics and in situ X-ray absorption spectroscopy study
Sign Up to like & getrecommendations! Published in 2020 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2020.04.015
Abstract: Abstract Accurate knowledge of rare earth elements (REE) speciation in high pressure – high temperature fluids is required to model REE transport and precipitation in subduction zones and magmatic-hydrothermal environments, and the formation of rare… read more here.
Keywords: iii; yttrium; formation; hydrothermal fluids ... See more keywords
Mineralogy and geochemistry of metasomatized mantle peridotites from the Eastern Desert of Egypt: The role of granite-related hydrothermal fluids in gold mineralizations
Sign Up to like & getrecommendations! Published in 2018 at "Journal of African Earth Sciences"
DOI: 10.1016/j.jafrearsci.2018.04.003
Abstract: Abstract Metasomatized peridotites from three areas (Barramiya, Fawakhir and Um Halham) in the Eastern Desert of Egypt are geologically, petrographically and geochemically investigated. These metasomatized peridotites are members of supra-subduction zone (SSZ) ophiolites and are… read more here.
Keywords: mineralogy; mantle peridotites; barramiya fawakhir; geochemistry ... See more keywords
Geochemical behavior during mineralization and alteration events in the Baiyinchang volcanic-hosted massive sulfide deposits, Gansu Province, China
Sign Up to like & getrecommendations! Published in 2017 at "Ore Geology Reviews"
DOI: 10.1016/j.oregeorev.2017.09.002
Abstract: Abstract The Zheyaoshan deposit is the largest within the Baiyinchang (BYC) volcanic-hosted massive sulfide (VHMS) district, located in the northern Qilian orogenic belt of North China. The deposit is hosted by quartz keratophyre tuffs, with… read more here.
Keywords: massive sulfide; hydrothermal fluids; dominant assemblage; alteration ... See more keywords
Thermodynamic properties of ruthenium (IV) chloride complex and the transport of ruthenium in magmatic-hydrothermal fluids
Sign Up to like & getrecommendations! Published in 2021 at "Ore Geology Reviews"
DOI: 10.1016/j.oregeorev.2021.104043
Abstract: Abstract Thermodynamic properties of platinum-group element (PGE) coordination complexes are significant for our understanding of PGE mobilization, transport, and deposition in hydrothermal fluids. This study conducted hydrolysis experiments of ruthenium (IV) chloride complex (K2RuCl6) at… read more here.
Keywords: magmatic hydrothermal; ruthenium chloride; transport; hydrothermal fluids ... See more keywords
The high-grade Fe skarn deposit of Jinling, North China Craton: Insights into hydrothermal iron mineralization
Sign Up to like & getrecommendations! Published in 2021 at "Ore Geology Reviews"
DOI: 10.1016/j.oregeorev.2021.104395
Abstract: Abstract Skarn-type Fe deposits constitute a major source of iron in the world, and 57% of the high-grade iron ores in China are hosted by skarn deposits. Most researchers agree that skarn-type Fe deposits are… read more here.
Keywords: high grade; hydrothermal fluids; type; iron ... See more keywords