A practical guide to the fundamentals of mineral resource estimation

Thursday, March 4, 2021 -
Friday, March 5, 2021


Day 1: Thursday, March 4, 10:30 AM - 3:30 PM 
Day 2: Friday, March 5, 10:30 AM - 3:30 PM


Agenda – Day 1:

  • Summary of the Mineral resource estimation process
  • The Resource database
  • Geological interpretation and resource domaining  
  • Live exercise and Q&A
  • Exploratory data analysis
  • Grade restriction
  • Live exercise and Q&A
  • Compositing
  • Grade trend analysis
  • Live exercise and Q&A

  Agenda – Day 2:

  • Estimating block grades
  • Live exercise and Q&A
  • Other block model attributes
  • Calculating cut-off grades and NSR values
  • Live exercise and Q&A
  • Classification
  • Verification of results
  • Reporting
  • Live exercise and Q&A
Mineral resources, and their subsequent conversion to mineral reserves, are of key importance to mining companies and to the mineral industry. Their reliable estimation is critical to the confidence in a project, to its underlying economics, and to the day-to-day operation of a mine. There is a requirement for high quality interpretation and estimation of mineral resources in order to make sound investment and operational decisions. This short course builds and improves upon the 2019 PDAC short course offering, and is designed to share best practice guidance with practitioners, as well as relevant upstream and downstream stakeholders.

This short course focuses on the practical aspects of resource estimation, and includes easy to follow guidelines for navigating the principal decision points in a resource estimation workflow:

• The resource database
• Geological and resource domain modelling
• Exploratory data analysis
• Outlier restriction tools (including capping)
• Compositing
• Trend analysis
• Incorporation of conceptual mining inputs (minimum thickness, cut-off grade)
• Interpolation design (search ellipse size and orientation, sample restrictions, etc.)
• Classification considerations
• Model verification tools
• Mineral Resource reporting

Top “take-aways”:
• Understand the steps involved to estimate Mineral Resources.
• Build a basic tool kit to estimate Mineral Resources.
• Identify, navigate, and mediate common risks and gaps in the estimation process.
• Apply practical considerations of resource estimation and mining to field data collection and collation.

Sean Horan, SLR Consulting
Valerie Wilson, SLR Consulting
Pierre Landry, SLR Consulting
Ian Weir, SLR Consulting


10:30 AM - 3:30 PM

A practical guide to the fundamentals of mineral resource estimation

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