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The AU Grabber (pronounced as: Gold Grabber; [NB 1]) is a self-propelled barge excavator dredge used to mine Bering Sea placer gold deposits in the region around Nome, Alaska, USA. It is owned and operated by Richard Schimschat and featured in the Discovery Channel USA mining reality TV show Bering Sea Gold .
Gold Dredge, Klondike River, Canada, 1915 The Yankee Fork dredge near Bonanza City, Idaho, which operated into the 1950s. A gold dredge is a placer mining machine that extracts gold from sand, gravel, and dirt using water and mechanical methods. The original gold dredges were large, multi-story machines built in the first half of the 1900s.
The Tuvli 160 (USCG id: 516564) [1] is an ocean-rated crewed flat-topped barge in the process of being adapted into a powered littorals at-sea excavator-boomed suction dredge mining vessel. [2] It is owned by Pomrenke Mining and its registered home port is Nome, Alaska, USA. [1] The Tuvli 160 was featured in 2018 season 10 of Bering Sea Gold.
The Bima (IMO number: 7633789) [1] was a bucket-line dredge. It was built to mine tin in offshore Malaysia and Indonesia. In the late 1980s, it was moved to Nome, Alaska, US, to mine seafloor placer gold deposits in the Bering Sea off the coast. Being unprofitable at gold mining in Nome, it was sold for scrap in 1990.
Polymetallic or sulfide deposits form in active oceanic tectonic settings such as island arcs and back-arcs and mid ocean ridge environments. [29] These deposits are associated with hydrothermal activity and hydrothermal vents at sea depths mostly between 1 and 4 km (0.62 and 2.5 mi). These minerals are rich in copper, gold, lead, silver and ...
A dredging machine extracted gold along the Tuolumne River at La Grange, California, from 1938 to 1951. It damaged salmon habitat that is being restored in September 2024 by the Tuolumne River ...
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