Metal Recovery Rate – How to Interpreted the Mineral Recovery Percentage

The metal recovery rate, or also known as the mineral recovery percentage, indicates what percentage of valuable metals are expected to be available for sale after the refining process has taken place. The metal recovery rate can be found in a mining company’s National Instrument 43-101 or in a similar applicable international reporting standard.

Example: When you read a press release in which a mining company announces a resource of 500 million tonnes of 1% copper and a mineral recovery rate of 80% you should actually read that the company announces 500 million tonnes of (1% * 80% =) 0.8% sellable copper.


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