Estimation and Reporting Guidelines

  Canadian Securities Administrators: National Instrument 43-101

  CIM Standards on Mineral Resources and Reserves - Definitions and Guidelines

  South Africa: SAMREC Code

  USGS Guidelines (Circular 831)

  IMM Definitions of Reserves and Resources

  Joint CMMI/UNFC Definitions for Mineral Resources and Reserves 

  Australasian IMM Joint Ore Reserves Committee (JORC) Code

  Valmin Code

  Reporting of Diamond Exploration Results, Identified Mineral Resources and Ore Reserves  Association of Professional Engineers, Geologists and Geophysicists of the Northwest Territories.

Cut-Off Grade

  Cut-off Grade Definition

Other Resources

  Technical Papers on Reserve/Resource Estimation

  Technical Papers on Dilution

  Ore Reserve Estimation Software

  Ore Reserve Estimation Books