What Mining Investors Must Know about Cut-Off Grade with Dr. Rob Stevens (Ph.D.)
In this episode, Dr. Rob Stevens teaches investors what to consider when assessing the cut-off grade of a development or producing mining company’s deposit. Dr. Stevens (Ph.D., P.Geo.) is a professional geologist and educator. He has trained numerous brokers, analysts, and investors in the basics of mineral exploration and mining via his training course. After teaching this course for many years, he eventually published its content in his book, Mineral Exploration and Mining Essentials.
0:00 Introduction
1:08 Presentation summary
1:44 What is cut-off grade?
5:04 Examples of two deposits
11:02 What is cut-off grade so important?
11:53 What factors are generally considered?
15:00 What factors are generally not considered?
16:00 Cut-Off in mineral resource estimates
21:18 Cut-Off in mineral reserve estimates
25:39 Cut-Off Grade at Operating Mines
27:33 Final considerations