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Rem: Revista Escola de Minas
Print version ISSN 0370-4467
SANCHEZ, Luis Enrique. Planning for early mine closure. Rem: Rev. Esc. Minas [online]. 2011, vol.64, n.1, pp. 117-124. ISSN 0370-4467. http://dx.doi.org/10.1590/S0370-44672011000100016.
Several mining companies operating in Brazil have been preparing mine closure plans describing end of life actions to ensure long term physical stability, land rehabilitation and, to a certain extent, socioeconomic measures. Most Brazilian and international guidelines, however, skip early closure and only feature guidance to closure planning after reserve depletion. In this paper, two cases of early closure in Australia are reviewed, causes for early closure are explored, criteria to evaluate preparedness to early mine closure are proposed and tested in two mines. It concludes that, despite recent advances, planning for mine closure seldom take account of early closure risks.
Keywords : Mine closure; early closure; risks; social and economic impacts.