![]() He says Debmarine Namibia has depleted a total of 50 square miles since production began in 2002, just two percent of the license area. “It doesn’t mean that every place that you find diamonds you go mine.” “You only mine areas which are mineable and profitable,” Shikongo tells CNN. Read more: Drones tackle illegal fishing in African watersĭebmarine Namibia has a license to operate off the coast of Namibia until 2035 within a 2,316 square mile area – just under half the size of Jamaica.īut, while the ships mine 24 hours a day, 365 days a year, they’re not scouring every last square mile, explains Otto Shikongo, CEO of Debmarine Namibia. to search an area of water by dredging: The police are dredging the lake for his body. using a boat or special device: They have to dredge the canal regularly to keep it open. No human hands touch the diamonds during the entire production process at sea. verb T uk / dred / us / dred / dredge verb T (REMOVE) to remove unwanted things from the bottom of a river, lake, etc. The gravel is returned to the ocean and the gems are securely sealed in containers, loaded into steel briefcases, and flown by helicopter to shore. ![]() This type of vehicle – called a crawler ship – has a 280-ton mechanical arm that moves in a horizontal arc, dredging material from just beneath the sea floor, at depths of around 400 feet.ĭiamonds are then sifted from the dredged gravel in a sophisticated treatment plant onboard the ship. ![]() It hopes this new vessel will join the fleet by 2021. To ramp up production, Debmarine Namibia plans to construct a $142 million ship-cum-tanker, which it says will be the world’s largest custom-built diamond mining vessel, measuring 577 feet long. ![]()
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