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Gold Methods


SGS could not be the world’s leading metallurgical testing firm without an exemplary understanding of gold mineralogy. The mineralogists and metallurgists at SGS Minerals Services have extensive experience in gold mineralogy from exploration to production and across a variety of unit operations: grinding, gravity and other heavy mineral separation techniques, flotation, heap, stirred tank, pressure and bacterial leaching, CIP, CIL, RIP, RIL, solvent extraction, electrowinning and chemical reduction.

Depending on your needs, we can bring the power of High Definition Mineralogy to your questions and get golden answers.
We can:

  • Determine the mass balance between refractory and free milling gold
  • Identify gold in bottle roll or leach residues
  • Locate and analyze nugget gold using QEMSCAN® trace mineral searches
  • Unlock liberation problems with size by size stage crushing and QEMSCAN® PMA or particle mapping analysis
  • Quantify gold telluride and alloy chemistry using SEM and electron microprobe analysis
  • Report gold deportment and liberation size using QEMSCAN® PMA or particle mapping analysis
  • Track carbonate, albite or other types of alteration around ore deposits using EXPLOMIN™
  • Identify characteristic clays in low sulphidation epithermal gold deposits using XRD
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