• Gold mining - Wikipedia

    Using a sluice box to extract gold from placer deposits has long been a ... mercury was used extensively in placer gold mining in order to ... Gold mining in Pakistan:

  • Witwatersrand | West Coast Placer

    All placer deposits have concentrated gold from its source in some kind of trap. ... The largest known gold deposit in the world in Witwatersrand, ...

  • Gold of Afghanistan - mom.gov.af

    Gold of Afghanistan Figure 1. Gold occurrences in Afghanistan on a low-resolution Landsat image, ... out on placer gold deposits in Takhar Province. ... Pakistan ...

  • Placer Gold Deposits Pay Off!

    Placer gold deposits represent the most attractive targets for small-scale miners and prospectors, since activities can be carried out with reasonably small costs ...

  • Placer mining - Wikipedia

    Once a placer deposit is located by gold panning, the miner usually shifts to equipment that can treat volumes of sand and gravel more quickly and efficiently.

  • Pakistan: Gold Deposits - YouTube

    Feb 02, 2011· PAKISTAN has got 6th largest gold deposit in the world The Reko Diq project is a large copper-gold porphyry resource on the Tethyan belt, located in the ...

  • Placer deposit - Wikipedia

    In geology, a placer deposit or placer is an accumulation of valuable minerals formed by gravity separation during sedimentary processes. The name is from the Spanish ...

  • Gold Deposits - EOLSS

    Orogenic Gold Deposits 7. Alluvial or Placer Gold Deposits 8. Witwatersrand-Type Deposits 9. ... iron oxide copper-gold deposits 6. gold-rich massive sulfide deposits.