While doing research for a project I recently ran across a letter to the...
William (Bill) Lewis
Coronavirus (COVID-19) Worldwide Pandemic and Site Visits
A key part of the Qualified Person’s (QP’s) review of mineral properties under...
Specialty Mineral Resource Estimates
Originally published on the M.Plan International Limited website on March 16,...
Technical Reporting and Some Metrics Used in Studies
The last two decades have seen the use of standardized Technical Reports...
Technical and Economic Evaluation of Mineral Deposits
It is customary, though not mandatory, for the evaluation of the technical...
Mineral Resource Estimation
The CIM Definition Standards on Mineral Resources and Reserves define Mineral...
The ‘Spotted Dog’ – Still an Issue in Mineral Resource Classification
Despite progress being made by professional organisations towards the...
NI 43-101 Technical Reports: What They Are, and What They’re Not
The purpose of an NI 43-101 Technical Report, as stated in the Form 43-101F1...
Continuity in Mineral Resource Estimation
In the second of a series of articles discussing best practice, we focus on...
Classification of Mineral Resource Estimates
In the first of a series of articles on best practice DOs and DON'Ts, Bill...