Unravelling-the-Origins-of-Gold-Two-Geological-Methods-Face-to-Face-AR25.pdf

1、Unravelling the origins of gold:two Unravelling the origins of gold:two geological methods face to facegeological methods face to faceLBMA Assaying&Refining Conference 202LBMA Assaying&Refining Conference 2025 51Barbara Beck Alessia SironiBarbara Beck Alessia Sironi2CombatingCombating the the illega

2、lillegal marketmarketDue diligenceDue diligenceRisk ManagementRisk ManagementAccountabilityAccountabilityReputationReputationBlockchainBlockchainGeochemicalGeochemical TraceabilityTraceabilitySocioSocio-econoecono-cultural contextscultural contextsChemical AnalysisChemical Analysis3Associated with g

3、oldAssociated with slagsEnrichment processOrebody typegeoforensic GOLD-IDAnalysis of 20 to 50 elementsMethodologyMethodology4geoforensic GOLD-IDDetermination of the chemical composition of the dor barsspectrocubeSTEP I:REFINERY RECEIVES DORE BARSMethodologyMethodology5geoforensic GOLD-IDSTEP II:MODE

4、LAI based modelDetermination of the chemical composition of the dor barsspectrocubeDors:10-200 samples fromeach supplierSTEP I:REFINERY RECEIVES DORE BARSMethodologyMethodology6geoforensic GOLD-IDSTEP II:MODELSTEP III:TESTING?AI based modelDetermination of the chemical composition of the dor barsspe

5、ctrocubeTest sample:New dorConformity of test sampleDors:10-200 samples fromeach supplierSTEP I:REFINERY RECEIVES DORE BARSMethodologyMethodology7geoforensic GOLD-IDSTEP II:MODELSTEP III:TESTING?AI based modelGeoforensic GOLD-IDcertificateDetermination of the chemical composition of the dor barsspec

6、trocubeTest sample:New dorConformity of test sampleDors:10-200 samples fromeach supplierSTEP I:REFINERY RECEIVES DORE BARS Fully automated Accessible via a secured internet platform Can beintegrated into a blockchainSTEP IV:CERTIFICATEIsotopic AnalysisIsotopic Analysis8ProtonNeutronElectron12C13C14C