



Heavy metals in alluvial gold mine spoils in the peruvian amazon. Alluvial gold mining in Madre de Dios old growth forest generally involves slash and burn deforestation, sediment extraction, amalgamation of gold with mercury (Hg), burning, Hg evaporation and gold recovery (Alvarez et al., 2011, Salinas, 2007). ...

































Cenosphere - Wikipedia. Overview; Etymology; Production; Fuel or oil cenospheres; Applications; See also; A cenosphere is a lightweight, inert, hollow sphere made largely of silica and alumina and filled with air or inert gas, typically produced as a coal combustion byproduct at thermal power plants.


























