Assessment of acid rock drainage pollutants release in the uranium mining site of Poços de Caldas — Brazil

Uranium decay daughters from isolated mines: Accumulation and sources

“…An abundant literature is available concerning the dispersion in the environment of natural radionuclides associated with uranium mining and milling activities (Neame et al 1982;Waite et al 1988;Mosinets, 1991;Bunzl et al 1994;Jurado Vargas et al 1997, McConnell et al 1998Fernandes et al 1998;Fernandes and Franklin, 2001;Fernandes et al 2006;Lozano, 2000Vera Tom e et al 2002;Carvalho et al 2007Carvalho et al , 2014Frostick et al 2008Frostick et al , 2011Kipp et al 2009;Mom cilovi c et al 2013;Blanco Rodríguez et al 2014;Kayzar et al 2014). However, only few published studies offer maps of radionuclide distribution (Dragovi c et al 2014;Erenturk et al 2014), in particular for uranium mining impacted environments (Vandenhove et al 2006;Bollh€ ofer et al 2006Bollh€ ofer et al , 2014.…”

Radioecological characterization of a uranium mining site located in a semi-arid region in Brazil

“…Liquid emissions into groundwater and superficial water bodies may lead to high exposure levels to members of the public (Fernandes et al, 1996). In addition to tailings dam, waste rock piles can constitute an important source of pollutants to the environment, especially if acid drainage generation takes place (Amaral et al, 1988;Fernandes et al, 1998;Fernandes and Franklin, 2001).…”

Intelligent estimation of spatially distributed soil physical properties

“…The Poços de Caldas plateau is considered the largest alkaline complex in Brazil (Holmes et al, 1992) with one of the largest uranium occurrences in the world (Chapman et al, 1992). In addition to uranium, there are also important bauxite deposits and sulfuric thermal springs (Fernandes and Franklin, 2001). The climate of this area is characterized by dry winters and mild summers with precipitation of 1300 mm to 1700 mm and average temperatures of 18°C to 22°C (Christofoletti, 1970).…”