WHAT IS CUT-OFF GRADE OPTIMIZATION?
You've probably heard about Lane's approach in optimization, and you're still wondering what it is. Cut-off grade optimisation (Lane) is a policy for determining, period by period, which material is ore, and which is waste, and what to stockpile—to maximise NPV under real capacities (mining, processing, market/refining). It’s not a single number; it’s a time-varying strategy that moves value forward when it matters most. Most mines still use a static cut-off because “that’s what last year’s plan said.” But the Lane approach is different. It’s not a single number—it’s a dynamic policy that decides, period by period: 1. What ore to feed the mill now 2. What to stockpile for later 3. What is truly waste Read more below https://www.linkedin.com/in/martine-mshana/