Cut-off Grade Optimization

Economic Grade Threshold Analysis

Determine optimal grade boundaries between ore and waste. Run sensitivity analysis across price, cost, and recovery scenarios.

K-MINE cut-off grade optimization software providing economic analysis tools for optimal ore-waste classification, destination policy, and grade-tonnage curve generation. Calculate breakeven and optimized cutoff grades. Support strategic planning with marginal cutoff analysis, opportunity cost evaluation, and dynamic grade management maximizing project economics.

PseudoFlow Algorithm

Fast pit optimization based on Lerchs-Grossmann methodology for ultimate pit limit determination.

Nested Pit Shells

Generate shell sequences by varying revenue factors for strategic planning and phase design.

Pushback Generation

Create mining phases automatically by NPV optimization or manually combine shells into sequences.

Slope Constraints

Define slope angles by sector to match geotechnical requirements across different pit areas.

Sensitivity Analysis

Test pit economics against price, cost, recovery, and slope angle scenarios to evaluate risk.

Design Comparison

Evaluate optimized shells against existing designs with tonnage, strip ratio, and revenue metrics.

Learn more about K-MINE Pit Optimizer module

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