Q » Explain the process of Cut-off grade.

31 Oct, 2025

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A » The cut-off grade is a critical threshold in mining, determining the lowest grade of ore that is economically feasible to process. This decision considers market prices, production costs, and technical extraction capabilities. By separating ore from waste, it optimizes resource utilization and profitability, ensuring only economically viable material is extracted and processed, thus impacting mine planning and reserve estimation significantly.

Michael

31 Oct, 2025

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All Other Answer

A »The cut-off grade is the minimum grade at which a mineral resource is economically viable for extraction. It's determined by comparing revenue from selling the extracted mineral to the costs of extraction and processing. Resources above this grade are considered ore and are mined, while those below are considered waste.

David

31 Oct, 2025

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