Cut Off Grade Optimisation

Dynamic Break-Even Grade Calculation

Calculate optimal cut-off grades considering mining costs, processing recovery, and metal prices. Maximize project NPV through grade policy.

K-MINE cut-off grade optimisation software providing tools for economic cutoff calculation, destination policy optimization, and ore-waste boundary determination. Optimize cutoff grades considering metal prices, processing costs, and mining costs. Support strategic mine planning with dynamic cutoff analysis maximizing project NPV through optimal ore routing.

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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