Orpaillage- Artisanal exploitation of gold veins is based on hand drilling, using augers or chisels and sledgehammer. Given that it does not require equipment or oil, it is most suitable for remote places. It does not require technical knowledge for operation or machinery maintenance, and production is not stopped by malfunctioning equipment. Work progresses very slowly, at a speed less than ten percent of electric drilling and one percent of pneumatic drilling. Likewise, the investment required is also very low, one percen of electric drilling and 1/10 of one percent of pneumatic drilling.
Minimum investment for joe bloe the informal miner is about $50 and the operating costs for the different mining alternatives fluctuate between $142 and $186 per ounce of gold. However, a substantial part of potential earnings is reaped by gold and supplies traders. Mineral processing in their own plants, as well as direct trading of their gold would substantially increase the profits of miners.
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