Mostrando 5 resultados de: 5
Área temáticas
Ingeniería sanitaria(4)
Minería y operaciones afines(2)
Economía de la tierra y la energía(1)
Geología económica(1)
Geología, hidrología, meteorología(1)
Objetivos de Desarrollo Sostenible
ODS 12: Producción y consumo responsables(4)
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An investigation of mercury sources in the Puyango-Tumbes River: Using stable Hg isotopes to characterize transboundary Hg pollution
ArticleAbstract: Mercury (Hg) concentrations and stable isotopes along with other trace metals were examined in envirPalabras claves:Artisanal- and small-scale gold mining, Contaminant geochemistry, MC-ICP-MS, Mercury, Mercury stable isotopes, Trace metal geochemistryAutores:Bergquist B.A., Guimarães J.R.D., Lees P.S.J., Miserendino R.A., Patricio Colon Velásquez-López, Schudel G., Veiga M.M., Winland-Gaetz S.Fuentes:scopusEvidence of reduced mercury loss and increased use of cyanidation at gold processing centers in southern Ecuador
ReviewAbstract: Due to the strong price of gold, the number and capacity of gold processing centers in Portovelo-ZarPalabras claves:Artisanal and small-scale gold mining (ASGM), Cyanide, ECUADOR, Mercury pollutionAutores:Gonçalves A.O., Jose Moreno-Chavez, Kaplan R.J., Marshall B.G., Veiga M.M.Fuentes:googlescopusMercury balance in amalgamation in artisanal and small-scale gold mining: identifying strategies for reducing environmental pollution in Portovelo-Zaruma, Ecuador
ArticleAbstract: The gold ore mined by artisanal and small-scale miners in Portovelo-Zaruma, Ecuador, is processed inPalabras claves:Amalgamation, Artisanal-small-scale gold mining, Mercury emissions, Mercury pathways, Southern EcuadorAutores:Hall K., Patricio Colon Velásquez-López, Veiga M.M.Fuentes:scopusMercury isotopic signatures of tailings from artisanal and small-scale gold mining (ASGM) in southwestern Ecuador
ArticleAbstract: Artisanal and small-scale gold mining (ASGM) is currently one of the largest anthropogenic sources oPalabras claves:environmental pollution, Mass independent fractionation, Mercury amalgamation, Metal geochemistry, Mine wastes, Stable isotopesAutores:Adler Miserendino R., Bergquist B.A., Guimarães J.R.D., Kaplan R.J., Patricio Colon Velásquez-López, Schudel G., Veiga M.M.Fuentes:scopusProcessing centres in artisanal gold mining
ArticleAbstract: The aim of this paper is to reflect on efforts made worldwide to construct processing centres wherePalabras claves:artisanal mining, Cyanide, Gold processing, Mercury, Processing centresAutores:Angeloci G., Hitch M., Patricio Colon Velásquez-López, Veiga M.M.Fuentes:scopus