Gold mining
Malaria in gold-mining areas in Colombia
... illegal mining is that of Segovia and Remedios (department of Antioquia), one of the most productive districts, where 348 units of gold-mining have been reported, of which only 14 were legal ...
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Mercury content in the fur of jaguars (Panthera onca) from two areas under different levels of gold mining impact in the Brazilian Pantanal
... where gold mining activities were most intensive, our data suggest that the Hg content in an individual jaguar from the Brazilian Pantanal is the highest ever recorded in wild ...
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REPLICATION OF AN IVG PROTOCOL TO ESTIMATE BIOACCESSIBLE ARSENIC IN MATERIALS FROM A GOLD MINING AREA IN BRAZIL
... It is worth emphasizing that even though the gold mining areas in Brazil are numerous, and despite the proven high As concentrations in their surroundings (Matschullat et al., 2000; Deschamps et al., 2002; ...
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Evaluation of mercury levels in hair of children resident in artisanal gold mining area in the city of Chapada de Natividade - Tocantins
... artisanal gold mining were ...artisanal gold mining was carried out, mainly when the parents or other responsible adults worked as gold ...the gold – mercury amalgam was heated ...
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Mercury content in the fur of jaguars (Panthera onca) from two areas under different levels of gold mining impact in the Brazilian Pantanal
... where gold mining activities were most intensive, our data suggest that the Hg content in an individual jaguar from the Brazilian Pantanal is the highest ever recorded in wild ...
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HIV/STD transmission in gold-mining areas of Bolivar State, Venezuela: interventions for diagnosis, treatment, and prevention
... the gold-mining areas, but that task was made difficult by the lack of compre- hensive, reliable demographic data for the region and obstacles in contacting many men digging gold at isolated ...the ...
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Impacts of Open Placer Gold Mining on Aquatic Communities in Rivers of the Khentii Mountains, North-East Mongolia
... for gold the mining sector has consid- erably grown in Mongolia and has become one of the most important economical ...creasing mining activities the mining related environmental problems also ...
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GOLD MINING IN IGUN IJESHA, SOUTHWEST NIGERIA: IMPACTS AND IMPLICATIONS FOR WATER QUALITY
... This study was carried out in Igun-Ijesha, Osun State, Nigeria to determine the likely hotspots of water contamination for future treatment trials. Water quality analyses were based on physico-chemical and heavy metal ...
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Gold mining in the Peruvian Amazon: global prices, deforestation, and mercury imports.
... illegal mining would be feasible with frequent high resolution ...increased gold mining is occurring worldwide, our study of the gold-mercury relationship is restricted to the country of ...
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Mercury contamination in Brazil: industrial sources vs gold mining.
... emissions. Gold mining, on the other hand was nearly insignificant as a Hg source up to the late 1970’s, but presently is responsible for over 80% of total ...from gold mining operations, 12 ...
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Evaluation of membrane separation process for the treatment of gold mining effluent
... This study aimed to carry out a systematic and detailed evaluation of integrated ultrafiltration (UF) and nanofiltration (NF) applied to the treatment of gold mining effluent, which is characterized by high ...
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Distribution and speciation of mercury in sediments from gold mining sites in iron quadrangle (Minas Gerais).
... Nesse local, a ocorrência de mercúrio natural, advindo de óxidos de manganês, também deve ser conside- rada, uma vez que a análise por termodessorção mostrou uma liga- ção do mercúrio na[r] ...
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Malaria entomological inoculation rates in gold mining areas of Southern Venezuela
... At present, the vector control program is based on in- doors house spraying with pyrethroids, space spraying with organophosphate and larviciding with B. sphae- ricus in selected areas (MS 2008). The biting rate, ...
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Cad. Saúde Pública vol.23 número12
... wildcat gold mining camps (garimpos) in northern Mato Grosso State in the Brazilian ...such mining camps have the locations with the highest malaria prevalence in the Brazilian ...the mining ...
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Rev. Soc. Bras. Med. Trop. vol.35 número5
... 1) gold mining activities bring persons who are immunologically naive to malaria into direct contact with the mosquito vector and the infectious agent; 2) mining methods create ecological niches for ...
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Mercury and Organic Carbon Distribution in Six Lakes from the North of Rio de Janeiro State
... Silva (1999) studying Hg distribution in sediment profiles from Cima Lake, established the sedimentation rate for the lake, and also obtained a good correlation between Hg concentration peaks and events that occurred in ...
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REPOSITORIO INSTITUCIONAL DA UFOP: Comparison between ultrasound assisted extraction and microwave digestion in the determination of arsenic in edible grains.
... Arsenic extraction methods from plants are well established but methodologies for arsenic extraction in grains like soybeans, beans and corn are poorly explored. Due to the high consumption of these foods around the ...
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Cad. Saúde Pública vol.23 suppl.4
... in gold-mining directly handle the burning of gold-mercury amalgam, and when they do, they prefer to work in open-air areas that minimize exposure to Hg ...
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Development-Induced Displacement in Romania: the Case of Roşia Montană Mining Project
... a gold mining project in Tarkwa, Ghana (Coal International/Mining & Quarry World 2002, ...the mining project was pendingă state’să approval,ă theă miningă companyă engagingă ină actionsă ...
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Comparative analysis of root canal instrumentation using protaper gold, waveone gold and k-files
... ProTaper Gold TM em comparação com limas-K ...WaveOne Gold TM e limas-K, e entre WaveOne Gold TM e ProTaper Gold TM ...WaveOne Gold TM se encontra no meio entre estes dois sistemas, que ...
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