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Resource estimation and classification from SGS – gain an accurate evaluation of the size and grade of your deposit that is suitable for regulatory and investment purposes.


The timely and accurate estimation and classification of your gold and precious metals, base metal, iron ore or uranium reserve is a vital step in the development of your exploration project.

The grade and tonnage determined as a result of competent resource estimation and classification will document the economic value of your project and move your program ahead. This information is also an essential part of due diligence and a key consideration for your investors.

Trusted resource estimation and classification from a world leader

We offer a broad range of exploration services to the mining industry including:

  • Orebody modeling
  • Geostatistical analysis
  • Resource estimation and classification
  • Resource audits
  • Recommendations that will help you upgrade your resource figures into a reserve

Our team of qualified or competent persons includes geologists and statisticians who have earned their reputations in geostatistics and resource classification. Our resource estimation and classification reports are compliant with NI 43-101, JORC and related SAMREC codes.

When your resource estimation project is completed, an SGS geologist can act as your Qualified Person (QP) or Competent Person (CP), preparing your report with accuracy and integrity. We also offer technical reviews and audits of resource calculations prepared by others.

Our resource classifications and audits meet the Canadian Mining and Metallurgy (CIM) code, ensuring that the data included in your report is trusted by stakeholders and investors around the world.

Contact us today to get the reliable data that will allow you to gain more value from your exploration project.