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total gold productionby small scale mining in 2008 in kerala

total gold productionby small scale mining in 2008 in kerala

Oct 15, 2014· 1. Introduction. Artisanal andsmall-scale mining(ASM) ofgold(Au) has been studied worldwide due to the use and release of mercury (Hg) to the environment (Veiga, 1997, Veiga et al., 2006, Veiga et al., 2009, Shandro et al., 2009, Spiegel and Veiga, 2010, Velasquez-Lopez et al., 2010).The Global Mercury Assessment estimated that ASM ofgoldreleased ~ …

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