i open pit mine leaching pad

acidleaching construction containment contamination copper cyanide drainage environmental environmentalimpact extraction filtration geogrid geomembrane geosynthetics geotechnical geotextile gold groundwater heap heapconstruction heapleach hydrometallurgy industrial infrastructure leachsolution leaching liner lixiviation metalrecovery minerals mining miningoperations monitoring openpit ore pad paddesign permeability pollutioncontrol processing reclamation safety seepagecontrol silver sitepreparation slopestability soil solutionpond tailings wastemanagement open pit