- Stripping ratio
- Break even stripping ratio
- Over all stripping ratio
- Grade point
- None of these
Q) The point beyond which mineral/ore cannot be economically extracted out is called
📖 Additional Information
The break-even stripping ratio (BESR) is the maximum amount of waste (overburden) that can be removed per unit of ore while maintaining a profitable open-pit mining operation. Any ratio below the BESR means extracting that specific block of ore is profitable
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