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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:scopusAir mercury contamination in the gold mining town of Portovelo, Ecuador
ArticleAbstract: Portovelo is one of the oldest gold mining towns in Ecuador. Artisanal gold mining still uses mercurPalabras claves:Amalgamation, Artisanal-small-scale gold mining, Mercury, Southern EcuadorAutores:Olivero-Verbel J., Pájaro-Castro N., Patricio Colon Velásquez-López, Víctor Hugo González-CarrascoFuentes:scopusGravity concentration of gold in Nambija - Ecuador: The importance of process analysis for recovery success
Conference ObjectAbstract: Gold has been recovered from the Nambija mining zone by gravity concentration since the discovery ofPalabras claves:Autores:Ayala D.K., Espinosa P.A., Gustavo A. Muñoz, Patricio Colon Velásquez-López, Pazmiño I.C.Fuentes:scopusHuman health risks due to air mercury exposure produced by artisanal and small-scale gold mining activities in Portovelo, Ecuador
Book PartAbstract: Ecuador's main gold mining activities, located in the southern region, are characterized by large vePalabras claves:Hazard quotient, inhalation, Mercury contamination, Mining activities, Risk analysisAutores:Fallico C., María Fernanda Rivera-Velasquéz, Patricio Colon Velásquez-López, Víctor Hugo González-CarrascoFuentes:googlescopusEvaluation of the project: Improvement of the working conditions of small-scale and artisanal mining in Ecuador. Historical background, current situation, and actions for the future
Conference ObjectAbstract: Small-scale gold mining in Ecuador takes place under precarious conditions basically due to lack ofPalabras claves:Autores:Ayala D.K., Espinosa P.A., Gustavo A. Muñoz, Patricio Colon Velásquez-López, Pazmiño I.C.Fuentes:scopusWomen mine-rock waste collectors in artisanal and small-scale mining in Ecuador: Challenges and opportunities
ArticleAbstract: We conducted an exploratory study of the nature of women mine-rock waste collectors’ (WWC) activitiePalabras claves:Alternative livelihood, Artisanal and small-scale gold mining, Formalisation, Mine rock waste, WomenAutores:Benavides-Zúñiga X., Fallon G., Gallegos F., Páez-Varas C., Patricio Colon Velásquez-LópezFuentes:scopusMercury 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 contamination from artisanal gold mining in Antioquia, Colombia: The world's highest per capita mercury pollution
ArticleAbstract: The artisanal gold mining sector in Colombia has 200,000 miners officially producing 30tonnes Au/a.Palabras claves:air pollution, Amalgamation, Antioquia, artisanal mining, COLOMBIA, MercuryAutores:Al-Saadi S., Console S., Cordy P., Garcia O., Mesa L.A., Patricio Colon Velásquez-López, Roeser M., Salih I., Veiga M.M.Fuentes:scopusMill leaching: a viable substitute for mercury amalgamation in the artisanal gold mining sector?
ArticleAbstract: Artisanal small-scale gold miners (ASM) occasionally employ whole ore amalgamation by adding mercuryPalabras claves:artisanal mining, Cyanide, ECUADOR, GOLD, Grinding, IndonesiaAutores:Klein B., Nunes D., Patricio Colon Velásquez-López, Shandro J.A., Sousa R.N., 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