Authigenic metastable iron sulfide minerals preserve microbial organic carbon in anoxic environments
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2019.119343
Abstract: Abstract The burial of organic carbon (OC) in sedimentary environments promotes long-term carbon sequestration, which allows the release of oxygen in the atmosphere. Organo-mineral interactions that form between terrigenous minerals and OC during transport to… read more here.
Keywords: metastable iron; microscopy; iron sulfide; sulfide minerals ... See more keywords
Sulfate-reducing bacteria influence the nucleation and growth of mackinawite and greigite
Sign Up to like & getrecommendations! Published in 2018 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2017.10.006
Abstract: Abstract Sedimentary iron sulfide minerals play a key role in maintaining the oxygenation of Earth’s atmosphere over geological timescales; they also record critical geochemical information that can be used to reconstruct paleo-environments. On modern Earth,… read more here.
Keywords: sulfide minerals; iron sulfide; growth; srm ... See more keywords
Iron isotope and trace metal variations during mantle metasomatism: In situ study on sulfide minerals from peridotite xenoliths from Nógrád-Gömör Volcanic Field (Northern Pannonian Basin)
Sign Up to like & getrecommendations! Published in 2021 at "Lithos"
DOI: 10.1016/j.lithos.2021.106238
Abstract: Abstract Sulfides from lherzolite and wehrlite xenoliths from the Nograd-Gomor Volcanic Field (NGVF), located in the Northern Pannonian Basin, were studied to understand the behavior of chalcophile and siderophile elements during mafic melt – peridotite… read more here.
Keywords: pannonian basin; northern pannonian; volcanic field; sulfide minerals ... See more keywords
A brief overview on the dissolution mechanisms of sulfide minerals in acidic sulfate environments at low temperatures: Emphasis on electrochemical cyclic voltammetry analysis
Sign Up to like & getrecommendations! Published in 2020 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2020.106586
Abstract: Abstract (Bio)Hydrometallurgy is a relatively economical and eco-friendly processing technology for sulfide minerals. Sulfide minerals degradation at abandoned mine sites also results in complex environmental problems. Although extensive studies have been done to explore the… read more here.
Keywords: sulfate environments; minerals acidic; sulfide minerals; electrochemical cyclic ... See more keywords
Oxidative Dissolution of Arsenic-Bearing Sulfide Minerals in Groundwater: Impact of Hydrochemical and Hydrodynamic Conditions on Arsenic Release and Surface Evolution.
Sign Up to like & getrecommendations! Published in 2022 at "Environmental science & technology"
DOI: 10.1021/acs.est.2c00309
Abstract: The dissolution of sulfide minerals can lead to hazardous arsenic levels in groundwater. This study investigates the oxidative dissolution of natural As-bearing sulfide minerals and the related release of arsenic under flow-through conditions. Column experiments… read more here.
Keywords: bearing sulfide; dissolution; oxidative dissolution; sulfide minerals ... See more keywords
Study on Flotability and Surface Oxidation of Sulfide Minerals from the Tailing of an Iron-Copper Mine Using Electron Probe Microanalyzer
Sign Up to like & getrecommendations! Published in 2019 at "Mineral Processing and Extractive Metallurgy Review"
DOI: 10.1080/08827508.2019.1707675
Abstract: ABSTRACT With the depletion of high-grade ores, beneficiation of valuable minerals from mineral processing tailings attracts attentions of mining companies and researchers. Recovery of valuable sulfide minerals by flotation from the tailing of an iron-copper… read more here.
Keywords: iron copper; tailing iron; oxidation; surface ... See more keywords
Quantification of Organic Carbon Sequestered by Biogenic Iron Sulfide Minerals in Long-Term Anoxic Laboratory Incubations
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Microbiology"
DOI: 10.3389/fmicb.2022.662219
Abstract: Organic carbon sequestration in sedimentary environments controls oxygen and carbon dioxide concentrations in the atmosphere. While minerals play an important role in the preservation of organic carbon, there is a lack of understanding about the… read more here.
Keywords: organic carbon; sulfide minerals; iron sulfide;