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Alluvial Alluvial Diamond Mining In Zambia

the mining industry of sierra leone accounted for 4.5 percent of the country's gdp in 2007 and minerals made up 79 percent of total export revenue with diamonds accounting for 46 percent of export revenue in 2008. the main minerals mined in sierra leone are diamonds, rutile, bauxite, gold, this allowed artisan and small scale mining of alluvial deposits, and by 1965 

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