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Classifications of gold-bearing materials
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Classifications of gold-bearing materials

 

According to their mineralogical and historical characteristics the gold- bearing material can be classified as:

  • Placers.
  • Free milling ores.
  • Oxidized ores.
  • Silver-rich ores.
  • Iron sulphides.
  • Arsenic sulphides.
  • Copper sulphides.
  • Antimony sulphides.
  • Tellurides.
  • Carbonaceous.

Each of these classes of gold bearing materials has especial mineralogical characteristics which affect their processing and are considered in the next sections.

 

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