Gold mining

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"Gold mine" redirects here. For other uses, see Gold mine (disambiguation).

Super Pit gold mine in Western Australia

Gold-bearing quartz veins in Alaska

Gold mining is the process of mining of gold or gold ores from the ground. There are several techniques and processes by which gold may be extracted from the earth.

Contents

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• 1History
• 2Statistics
• 3Methods
  • 3.1Placer mining
    • 3.1.1Panning
    • 3.1.2Sluicing
    • 3.1.3Dredging
    • 3.1.4Rocker box
  • 3.2Hard rock mining
  • 3.3By-product gold mining
• 4Gold ore processing
  • 4.1Cyanide process
• 5Business
  • 5.1Small operations
  • 5.2Large companies
• 6Adverse effects
• 7See also
• 8References
• 9Further reading
• 10External links