Examples of near shore mining, using dredging technologies, can be found in ... for diamonds, tin mining in SouthEast Asia and gold mining in North America. ... uses seafloor mining machines designed for 300 metres off the coast of Namibia.
Tanjung Tualang Tin Dredge is a unique relic from Malaysia's tin mining heydays.. A tin dredge is like a floating factory. This one, named Tanjung Tualang Dredge No. 5, or TT5, weighs 4,500 tons and is supported by a pontoon of 75 meters in length, 35 meters in width and 3 meters in depth.