An Environmental Study of Artisanal, Small, and Medium Mining in Bolivia, Chile, and Peru, Volumes 23-429
World Bank Publications, Jan 1, 1999 - Technology & Engineering - 61 pages
"Mining exploration investment in the Latin American and Caribbean region has increased 130 percent in the last five years, a figure which increases to 500 percent, if Chile is excluded."Governments have revamped mining legislation to enable private investment while becoming more sensitive to environmental factors. In light of this legislation, this report examines the environmental effects of artisanal, small, and medium mines in three Latin American Countries: Bolivia, Chile, and Peru. Four of the most important elements to be considered are: The age of the mine Management of tailings The heterogeneity of the artisanal and small mine sectors The increasing need to take cultural considerations into account in the decision making process. The paper contains results of the studies on the various mining sectors, strategy and policy recommendations, and country study summaries.
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acid rock drainage agriculture alluvial amalgam amount Arequipa artisanal and small artisanal miners backfilling benefits Bolivia Chile Chilean CODELCO COMIBOL CONAMA deposits dredges drilling economically viable employment ENAMI environment environmental costs environmental damage environmental impact environmental investments environmental performance environmental problems environmental regulations especially existing exploitation extraction flotation front-end loaders gold cooperatives grade Huanuni important increase indigenous groups industry informal miners investment required large mines large number leaching plants located Madre de Dios medium and large medium mining sector medium-size mercury method Mineria mining activities mining companies mining concessions mining operations Ministry Nacional old tailings Option Pasco-Font percent Peru pneumatic drilling pollution production profitable quimbalete reduce refill region rivers role small and medium small mining sector smelters solutions Strategy substantially tailings dams tailings disposal technical three countries tons workers World Bank Yauli
Page vi - Canada has a sound international reputation in development assistance, based on the work of the International Development Research Centre (IDRC), the Canadian International Development Agency (CIDA), and the activities of our non-governmental organizations (NGOs).
Page 11 - ASM sector are mercury disposal, direct dumping of tailings and effluents into rivers, improperly constructed tailings dams, acid rock drainage...
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