smallscale gold case

  • Export Bans and Reducing Mercury COnsumption in .

    Economics of Mercury: Case II • Case II: Amalgamation of gravity concentrate from alluvial workings – Consumption is about 1.3 units of mercury per unit of gold produced – Cost of mercury is less than 1% of gold revenue and the amount used is not controlled by the miners directly – 1% of a 50 million dollar per year economy is $500,000 ...

  • Child labour in small-scale gold mining in Ghana: A case ...

    Child labour in small-scale gold mining in Ghana: A case study of Prestea in the Wassa West District [John Victor Mensah, Salifu Shaibu, Kwabena Barima Antwi] on Amazon. *FREE* shipping on qualifying offers. Child labour tends to destroy children who constitute the potential work force and responsible leaders in the future for national development.