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  2. Rocker box - Wikipedia

    en.wikipedia.org/wiki/Rocker_box

    Gold prospector pouring water through his rocker box, Pinos Altos, New Mexico (1940). Rocker box exhibit at Dahlonega Gold Museum. A rocker box (also known as a cradle or a big box) is a gold mining implement for separating alluvial placer gold from sand and gravel which was used in placer mining in the 19th century.

  3. Gold prospecting - Wikipedia

    en.wikipedia.org/wiki/Gold_prospecting

    A gold pan. Gold prospecting is the act of searching for new gold deposits. Methods used vary with the type of deposit sought and the resources of the prospector. Although traditionally a commercial activity, in some developed countries placer gold prospecting has also become a popular outdoor recreation. Gold prospecting has been popular since ...

  4. Prospecting - Wikipedia

    en.wikipedia.org/wiki/Mineral_prospecting

    Other gold rushes occurred in Papua New Guinea, Australia at least four times, Fiji, [3] South Africa and South America. In all cases, the gold rush was sparked by idle prospecting for gold and minerals which, when the prospector was successful, generated 'gold fever' and saw a wave of prospectors comb the countryside.

  5. Placer deposit - Wikipedia

    en.wikipedia.org/wiki/Placer_deposit

    Placer mining is an important source of gold, and was the main technique used in the early years of many gold rushes, including the California Gold Rush. Types of placer deposits include alluvium, eluvium, beach placers, aeolian placers and paleo-placers. [2] Placer materials must be both dense and resistant to weathering processes. To ...

  6. Gold panning - Wikipedia

    en.wikipedia.org/wiki/Gold_panning

    Panning for gold in a creek bed Gold in the pan, Alaska Man gold panning in Fairplay, Colorado early 1900s with dog. Gold panning, or simply panning, is a form of placer mining and traditional mining that extracts gold from a placer deposit using a pan. The process is one of the simplest ways to extract gold, and is popular with geology ...

  7. Gold dredge - Wikipedia

    en.wikipedia.org/wiki/Gold_dredge

    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.

  8. Gold Prospectors Association of America - Wikipedia

    en.wikipedia.org/wiki/Gold_Prospectors...

    The Gold Prospectors Association of America (GPAA) is an organization dedicated to finding and mining gold on a small or recreational scale. [1] It has gold claims across America and members can work the claims for a yearly fee. As of December 2024, the club had over 200 places to find gold, making up more than 90,000 gold-bearing acres.

  9. Hydraulic mining - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_mining

    Gold miners excavate an eroded bluff with jets of water at a placer mine in Dutch Flat, California sometime between 1857 and 1870.. The modern form of hydraulic mining, using jets of water directed under very high pressure through hoses and nozzles at gold-bearing upland paleogravels, was first used by Edward Matteson near Nevada City, California in 1853 during the California Gold Rush. [3]

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