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  2. Placer mining - Wikipedia

    en.wikipedia.org/wiki/Placer_mining

    In North America, placer mining was famous in the context of several gold rushes, particularly the California Gold Rush and the Colorado Gold Rush, the Fraser Canyon Gold Rush and the Klondike Gold Rush. Placer mining continues in many areas of the world as a source of diamonds, industrial minerals and metals, gems (in Myanmar and Sri Lanka ...

  3. 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 ...

  4. Gold mining in Colorado - Wikipedia

    en.wikipedia.org/wiki/Gold_mining_in_Colorado

    Placer gold was found in Tarryall, Fairplay, Alma, Breckenridge, and Leadville. [10] A notable amount came from the beds of the South Platte River. [11] Many placer claims existed to the south and west of Alma. [10] The mining town of Montgomery in Hoosier Pass had another small placer gold operation in 1911. [10] Two notable placer mines in ...

  5. 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 ...

  6. Gold mining - Wikipedia

    en.wikipedia.org/wiki/Gold_mining

    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 enthusiasts especially because of its low cost and relative simplicity.

  7. Oro City, Colorado - Wikipedia

    en.wikipedia.org/wiki/Oro_City,_Colorado

    The community was an early Colorado gold placer mining town located near Leadville in the California Gulch. Oro is the Spanish word for gold.Oro City was the site of one of the single richest placer gold strikes in Colorado, with estimated gold production of 120,000 to 150,000 troy ounces (4 to 5 metric tons), worth $2.5 to $3 million at the then-price of $20.67 per troy ounce (31.1 grams).

  8. Placer claim - Wikipedia

    en.wikipedia.org/wiki/Placer_claim

    A placer claim is a mining claim on gravel or ground from which minerals are extracted using water. [1] In the United States, the valuable mineral in a placer claim is almost always gold , although other nations mine placer deposits of platinum , tin , and diamonds .

  9. Cherokee, Tuolumne County, California - Wikipedia

    en.wikipedia.org/wiki/Cherokee,_Tuolumne_County...

    The Scott brothers, descendants of the Cherokee Tribe, discovered gold in 1853 in Tuolumne County. Soon many placer mines started in the valley of Cherokee and the town of Cherokee was founded. When the placer gold panning (diggins) ran out, some quartz mines opened around Cherokee.

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