small scale alluvial diamond mining

DIAMOND MINING AND THE ENVIRONMENT FACT SHEET. FOR MEDIA USE such as sieves and pans, to search for the diamonds. The majority of smallscale alluvial diamond mining is defined as 'informal' because it is undertaken on land which is neither

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Artisanal and SmallScale Mining occurs in approximately 80 countries worldwide. There are approximately 100 million artisanal miners globally. Artisanal and smallscale production supply accounts for 80% of global sapphire, 20% of gold mining and up to 20% of diamond mining.

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Ghana's smallscale artisanal gold mining sector was first legalised in 1989 with the promulgation of the Smallscale Gold Mining Act, which established the Precious Minerals Marketing Corporation (PMMC), the industry's main marketer and the sole buyer of smallscale gold and diamond mining output.

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18. Socioeconomic, environmental and policy implications of alluvial diamond mining in the Birim diamondiferous field, eastern Ghana

Although most diamond mining is accomplished by large companies, in many developing countries, diamonds and other minerals are extracted by small scale miners working in the informal sector. These smallscale miners often use simple artisanal mining techniques in alluvial deposits.

2 A Contextual Review of the Ghanaian Smallscale Mining Industry ... The Ghanaian smallscale mining industry is well over 2,000 years old. Vestiges of alluvial ... smallscale diamond mining occurs either under licences issued by the Minerals Commission or tributer permits granted by .