nigeria - USGS Mineral Resources ProgramIn 1994, activities in Nigeria's mining and minerals the 1988 FEPA Act took effect. These guidelines or processing industry declined significantly due to high.minning in nigeria,GIS, Mining, Nigeria, Minerals, Pollution, Environmental effects, Policyecological impacts of mining in Nigeria. Emphases are on the issues, environmental and spatial analysis of the trends, factors associated with the issues and.Environmental effect of mineral exploitation in Nigeria - Academic .Feb 14, 2007 . The three stages of mineral development, viz exploration, mining and processing, have caused different types of environmental damages,.
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