Articles
Pit Optimization
Articles on pit optimisation with GEOVIA Whittle: nested shells, reblocking, economic cut-off grade, and the difference between optimising a pit and simply maximising it.
-
Resource Estimation Reblocking vs. Whittle Pit Optimization Reblocking in Nickel Mining: A Detailed Comparative Analysis with Case Study and Surpac Tool Review
Introduction In open-pit nickel mining, the transition from geological resource estimation to economic pit optimization is a critical workflow that…
-
Overall Surpac–Whittle Workflow in Practice
Multiple case studies follow the same sequence: This integrated loop is reported for gold, copper–cobalt and other deposits, with the…
-
Economic Cut‑Off Grade for Nickel vs. Resource‑Estimation Cut‑Off Grade
The literature distinguishes clearly between economic cut‑off grade (COG) used for mine planning/operation and geological cut‑off grade used to report…
-
Choosing the Ultimate Pit: “Optimize” vs “Maximize” in Open‑Pit Design
Open‑pit design always comes to a critical question: how big should the final pit be? This “ultimate pit” decision controls how much…
Next step
Want this workflow run on your own deposit?
Our geologists and mine planners do the work, and our courses teach your team to do it in house.