Resource Estimation Review overview

Reviews mineral resource and ore reserve estimations -- validating geological block models against drill-hole assay databases, verifying variogram parameters and kriging estimation quality, auditing cut-off grade assumptions against current commodity prices and processing costs, reconciling estimated versus actual mill-head grades from prior periods, and ensuring compliance with JORC, NI 43-101, or SAMREC reporting codes. Produces resource estimation audit reports, reconciliation analyses, and material change disclosures. Excludes exploration program planning.