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Conditional simulation in Leapfrog Edge and Evo

Understanding uncertainty and supporting better decisions in mineral resource estimation

A single deterministic estimate under-represents the local variability that drives project risk.

While a kriged estimate is the standard for reporting and long-term planning. It inherently moderates local highs and lows. Conditional simulation is the geostatistical answer to this, generating multiple equiprobably realisations that reproduce the true variance and high-grade tail of your input data to quantify uncertainty.

Historically, running a simulation has been operationally challenging. Generating those realisations has meant exporting data to specialist software, writing custom scripts, and locking up your local hardware during intensive processing.

This white paper explores how Leapfrog Edge and Seequent Evo make conditional simulation practical. By offloading the heavy processing to the cloud, this integrated workflow brings uncertainty modelling directly into your everyday 3D environment, without exporting, specialist scripting, and hardware limitations.

You’ll learn:

  • How to test compositing, capping, and declustering scenarios more efficiently
  • How reusable estimation datasets reduce repetition and improve consistency across domains
  • How geology-linked analysis helps validate statistical parameters in spatial context
  • How a dedicated data preparation workflow supports more transparent, defensible resource estimation
  • How multiple realisations are translated into practical, economic decisions, such as ore-waste classification 

Because a single estimate can’t show you the range of plausible outcomes. 

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