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  2. Rocker box - Wikipedia

    en.wikipedia.org/wiki/Rocker_box

    Like a sluice box, the rocker box has riffles and a carpet in it to trap gold. It was designed to be used in areas with less water than a sluice box. The mineral processing involves pouring water out of a small cup and then rocking the small sluice box like a cradle, thus the name rocker box or cradle.

  3. Placer mining - Wikipedia

    en.wikipedia.org/wiki/Placer_mining

    A long sluice box runs along the mine. [16] The sluice box was used extensively during the California gold rush for larger scale operations. When streams became increasingly depleted, the grizzly and undercurrent variants of the sluice box were developed. The grizzly is a set of parallel bars placed at a 45-degree angle over the main sluice box ...

  4. Mining methods of the Klondike Gold Rush - Wikipedia

    en.wikipedia.org/wiki/Mining_methods_of_the...

    Panning for gold was the simplest method of recovering gold, but mostly used for prospecting since it was slow. A faster way was by a rocker box or by sluicing. Dirt was filled into the box or sluice together with water and rocking movements or gravity would make the gold particle go to the bottom whereas sand and fine gold particles would flow ...

  5. Gold mining - Wikipedia

    en.wikipedia.org/wiki/Gold_mining

    A rocker box uses less water than a sluice box and is well suited for areas where water is limited. A rocking motion provides the water movement needed for the gravity separation of gold in placer material. [46] Rocker boxes gained popularity during the California Gold Rush in the 19th century and remain in use today.

  6. Hydraulic mining - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_mining

    A miner using a hydraulic jet to mine for gold in California, from The Century Magazine January 1883. Hydraulic mining is a form of mining that uses high-pressure jets of water to dislodge rock material or move sediment. [1] In the placer mining of gold or tin, the resulting water-sediment slurry is directed through sluice boxes to

  7. Recreational gold mining - Wikipedia

    en.wikipedia.org/wiki/Recreational_gold_mining

    Gold pans and shovels are commonly allowed, but sluice boxes and suction dredges may be prohibited in some areas. [12] [13] There are public mining areas in many states, and prospecting may allow one to stake a gold placer claim or other type of mining claim in certain areas. Some public lands have been set aside for recreational gold panning.

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