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  2. Placer mining - Wikipedia

    en.wikipedia.org/wiki/Placer_mining

    Placer mining is frequently used for precious metal deposits (particularly gold) and gemstones, both of which are often found in alluvial depositsdeposits of sand and gravel in modern or ancient stream beds, or occasionally glacial deposits. The metal or gemstones, having been moved by stream flow from an original source such as a vein, are ...

  3. Gold mining in Nevada - Wikipedia

    en.wikipedia.org/wiki/Gold_mining_in_Nevada

    Gold mining in Nevada, a state of the United States, is a major industry, and one of the largest sources of gold in the world. In 2018 Nevada produced 5,581,160 troy ounces (173.6 tonnes), representing 78% of US gold and 5.0% of the world's production.

  4. Placer deposit - Wikipedia

    en.wikipedia.org/wiki/Placer_deposit

    The name is from the Spanish word placer, meaning "alluvial sand". 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]

  5. Gold mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Gold_mining_in_the_United...

    The Reed Gold Mine, southwest of Georgeville in Cabarrus County, North Carolina produced about 50,000 troy ounces (1,600 kg) of gold from lode and placer deposits. [40] Gold was produced from 15 districts, almost all in the Piedmont region of the state. Total gold production is estimated at 1.2 million troy ounces (37.3 tonnes).

  6. List of active gold mines in Nevada - Wikipedia

    en.wikipedia.org/wiki/List_of_active_gold_mines...

    In 2020 mining overall contributed $9.5 billion to the state's economy, $8.4 billion from gold and silver mining (all silver produced in Nevada is as a by-product from gold mining). Gold production from Nevada was higher than any other U.S. state, 4,632,690 troy ounces (144,090 kg) in 2020 (a decrease of 4.8% on 2019), accounting for 76% of ...

  7. Johnnie, Nevada - Wikipedia

    en.wikipedia.org/wiki/Johnnie,_Nevada

    Placer gold was found in gulches every few years and the area was worked off and on for the next thirty years. The Johnny settlement had less than 10 people by the late 1930s. [6] The Johnnie Post Office was closed in 1935. [7] [8] The Johnnie Mine Post Office operated from September 1937 until June 1942. [7] [9]

  8. Mother lode - Wikipedia

    en.wikipedia.org/wiki/Mother_lode

    Individual gold deposits within the Mother Lode are gold-bearing quartz veins up to 15 metres (49 ft) thick and a few thousand feet long. The California Mother Lode was one of the most productive gold-producing districts in the United States. Now it is known as a destination for tourism and for its vineyards. [5]

  9. Osceola, Nevada - Wikipedia

    en.wikipedia.org/wiki/Osceola,_Nevada

    Osceola, Nevada, is a ghost town in the eastern part of the U.S. state of Nevada. The town was a placer camp devoted to mining gold . Gold was first discovered in 1872, followed by exploitation of the deposits using hydraulic mining techniques.

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