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As gold prices surge, West Africa mine operators launch drones to detect wildcat miners
As the afternoon sun beats down on Gold Fields' sprawling Tarkwa gold mine in southwestern Ghana, three men launch a drone into the clear sky, its cameras scanning the lush 210-square-kilometer tract for intruders. The drone spotted something unusual, and within 20 minutes a 15-person team including armed police arrived on the scene. They discovered abandoned clothing, freshly dug trenches, and rudimentary equipment amid pools of mercury and cyanide-contaminated water. The equipment was left behind by so-called wildcat miners, who operate on the outskirts of many of the continent’s official mining ventures - ... (full story)
