A simplified matrix of environmental impacts to support an intervention program in a small-scale mining site |
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| Authors: | Rodolfo N Sousa Marcello M Veiga John Meech Janis Jokinen Aguinaldo J Sousa |
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| Institution: | 1. University of British Columbia, NBK Institute of Mining Engineering, 517, 6350 Stores Road, Vancouver, BC V6T 1Z4, Canada;2. Suzano Pulp and Paper, Av. Brigadeiro Faria Lima, 1355, 5th to 8th floor, São Paulo 01452-919, Brazil;1. Department of Geography and Resource Development’, University of Ghana, Legon, Ghana;2. Department of Geography, Loughborough University, UK;1. Department of Chemistry, Mercer University, 1400 Coleman Avenue, Macon, GA 31207, USA;2. Department of Biology, Mercer University, 1400 Coleman Avenue, Macon, GA 31207, USA;3. Department of Mining and Engineering, University of British Columbia, 6350 Stores Road, Vancouver, British Columbia V6T1Z4, Canada;4. Department of Geology, Universidade Eduardo Mondlane, Campus Principal, Avenida Julius Nyerere No 3453, C.P. 257 Maputo, Mozambique |
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| Abstract: | This paper describes a tool developed to evaluate environmental risks at a Brazilian artisanal small-scale gold mining site. The tool consists of a matrix used to determine the relevance of such risks through the classification of mining activities according to the likelihood that they may cause environmental impacts. The language and method are very simple, and thus appropriate for local stakeholders. It ensures their participation when developing a plan of action for intervention and training. When applied to a pilot site in the Brazilian Amazon, the matrix revealed the variables that pose higher environmental risks. These activities were subsequently addressed in a training program to promote better practices. As a result, the mining activities were improved by 28.8% when comparing compliance to environmental requisites before and after the training program. Specifically, the training program resulted in improved gold recovery, and reduced environmental and health impacts. |
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