'New Mines Bill to regulate artisanal miners' | Zimbabwe .
Feb 28, 2019 · Searching For Bodies in a 550 foot deep Mexican Mine Shaft and weird unexplained sounds! - Duration: 24:19. Exploring Abandoned Mines 1,581,803 viewsArtisanal and small-scale mining is also the source of the largest releases of mercury, estimated at 1,400 tonnes per year in 2011 according to the Minamata Convention. Exposure to mercury can have serious health impacts, including irreversible brain damage.