Diamond Exploration Best Practices

CIM Montreal 2003
Abstract The Diamond Exploration Best Practices Committee established by the Canadian Institute of Mining, Metallurgy and Petroleum has recommended guidelines for the Reporting of Diamond Exploration Results.

The objective of these guidelines is to assist public companies and consultants in making appropriate disclosure of diamond exploration results by reporting in a manner which is:

· Uniform within the diamond exploration industry;
· Consistent with reporting from other industry sectors.
· Comprehensive.
· Unambiguous.

The guidelines are not prescriptive. Materiality is the overriding principle that determines the information that should be disclosed. They are designed to govern results derived from the initial activities undertaken to investigate a diamond bearing prospect or deposit, to generate tonnage, grade and value estimates that cannot be classified as a Mineral Resource or Mineral Reserve. They do not address the earlier stage reporting of geophysical, geochemical or kimberlite indicator mineral results.

Public reports of diamond exploration results relating to mineralization not classified as Mineral Resource or Mineral Reserve must address the confidence limits of the result and contain sufficient information to allow a considered and balanced judgement of the significance of the results.

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