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Geological Model Updates

The geological model must be regularly updated with new information. Data Sources - Blast hole assays - Face mapping - Production sampling - New drilling Update Frequency - Daily: Grade control polygons - Weekly: Domain boundaries - Monthly: Resource model refresh - Annually: Full model rebuild Version Control - Date stamp all versions - Document changes - Archive superseded versions - Track model performance Reconciliation Analysis - Compare model predictions to actual - Identify systematic biases - Adjust estimation parameters - Improve future predictions

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