[{"id":12108,"link":"https:\/\/joindamanik.com\/data-quality-and-best-practices-in-mineral-exploration-drilling-a-technical-review\/","name":"data-quality-and-best-practices-in-mineral-exploration-drilling-a-technical-review","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/04\/mining_qaqc_workflow_diagram.png","alt":"Mining QAQC Workflow Diagram"},"title":"Data Quality and Best Practices in Mineral Exploration Drilling: A Technical Review","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Apr 8, 2026","dateGMT":"2026-04-08 00:22:03","modifiedDate":"2026-04-08 08:19:51","modifiedDateGMT":"2026-04-08 01:19:51","commentCount":"0","commentStatus":"closed","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/surpac\/\" rel=\"category tag\">Surpac<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/surpac\/\" rel=\"category tag\">Surpac<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/exploration\/' rel='post_tag'>Exploration<\/a>","et_post_format":""},"readTime":{"min":13,"sec":31},"status":"publish","content":"Executive Summary This technical review provides a comprehensive overview of data quality management in mineral exploration drilling for mining industry"},{"id":11778,"link":"https:\/\/joindamanik.com\/integrated-mine-planning-with-geovia-surpac-whittle-and-minesched\/","name":"integrated-mine-planning-with-geovia-surpac-whittle-and-minesched","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/03\/Integrated-Mine-Planning-with-GEOVIA-Surpac-Whittle-and-MineSched1.png","alt":"Integrated Mine Planning with GEOVIA Surpac, Whittle, and MineSched"},"title":"Integrated Mine Planning with GEOVIA Surpac, Whittle and MineSched","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Mar 27, 2026","dateGMT":"2026-03-27 14:25:21","modifiedDate":"2026-03-27 21:35:48","modifiedDateGMT":"2026-03-27 14:35:48","commentCount":"0","commentStatus":"closed","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/mine-planning\/' rel='post_tag'>mine planning<\/a>","et_post_format":""},"readTime":{"min":13,"sec":8},"status":"publish","content":"Modern open\u2011pit projects increasingly rely on an integrated digital workflow: Surpac for geological modelling and resource estimation, Whittle for pit"},{"id":11773,"link":"https:\/\/joindamanik.com\/conducting-reliable-mineral-resource-investigations-a-comprehensive-technical-guide-aligned-with-sni-4726-2019\/","name":"conducting-reliable-mineral-resource-investigations-a-comprehensive-technical-guide-aligned-with-sni-4726-2019","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/03\/3d-Geological-Block-Model-Resource-Classification.png","alt":"3d Geological Block Model Resource Classification"},"title":"Conducting Reliable Mineral Resource Investigations: A Comprehensive Technical Guide Aligned with SNI 4726-2019","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Mar 24, 2026","dateGMT":"2026-03-24 01:01:19","modifiedDate":"2026-03-24 09:07:43","modifiedDateGMT":"2026-03-24 02:07:43","commentCount":"0","commentStatus":"closed","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/resources\/\" rel=\"category tag\">Resources<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/resources\/\" rel=\"category tag\">Resources<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/mineral-reporting\/' rel='post_tag'>mineral reporting<\/a>","et_post_format":""},"readTime":{"min":64,"sec":42},"status":"publish","content":"Executive Summary This technical report provides a comprehensive framework for conducting mineral resource investigations that produce reliable estimates compliant with"},{"id":4209,"link":"https:\/\/joindamanik.com\/comprehensive-crosswalk-analysis-sni-4726-2019-indonesian-mineral-reporting-guidelines-vs-jorc-2012-australian-code\/","name":"comprehensive-crosswalk-analysis-sni-4726-2019-indonesian-mineral-reporting-guidelines-vs-jorc-2012-australian-code","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/03\/Mineral-Reporting-Principles-Diagram.png","alt":"Mineral Reporting Principles Diagram"},"title":"Comprehensive Crosswalk Analysis: SNI 4726-2019 Indonesian Mineral Reporting Guidelines vs. JORC 2012 Australian Code","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Mar 14, 2026","dateGMT":"2026-03-14 09:04:24","modifiedDate":"2026-03-14 16:06:15","modifiedDateGMT":"2026-03-14 09:06:15","commentCount":"0","commentStatus":"open","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/resources\/\" rel=\"category tag\">Resources<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/resources\/\" rel=\"category tag\">Resources<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/mineral-reporting\/' rel='post_tag'>mineral reporting<\/a>","et_post_format":""},"readTime":{"min":34,"sec":20},"status":"publish","content":"Executive Summary This report presents a comprehensive crosswalk analysis comparing SNI 4726-2019 (Indonesian National Standard for Reporting Exploration Results, Mineral"},{"id":4205,"link":"https:\/\/joindamanik.com\/ordinary-kriging-vs-indicator-kriging-dalam-estimasi-sumber-daya\/","name":"ordinary-kriging-vs-indicator-kriging-dalam-estimasi-sumber-daya","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/03\/3Dimensional-Daset-Representing.png","alt":"Ordinary Kriging vs Indicator Kriging dalam Estimasi Sumber Daya"},"title":"Ordinary Kriging vs Indicator Kriging dalam Estimasi Sumber Daya","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Mar 10, 2026","dateGMT":"2026-03-10 07:11:56","modifiedDate":"2026-03-14 16:05:49","modifiedDateGMT":"2026-03-14 09:05:49","commentCount":"0","commentStatus":"open","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/geostatistic\/\" rel=\"category tag\">Geostatistic<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/geostatistic\/\" rel=\"category tag\">Geostatistic<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/resource-estimate\/' rel='post_tag'>resource estimate<\/a>","et_post_format":""},"readTime":{"min":46,"sec":26},"status":"publish","content":"Ringkasan Eksekutif Artikel teknis ini menyediakan perbandingan komprehensif antara Ordinary Kriging (OK) dan Indicator Kriging (IK), dua metode geostatistik fundamental yang digunakan dalam estimasi sumber"},{"id":4186,"link":"https:\/\/joindamanik.com\/comparative-analysis-of-cut-off-grade-cog-strategies-australia-canada-indonesia-south-africa-and-chile\/","name":"comparative-analysis-of-cut-off-grade-cog-strategies-australia-canada-indonesia-south-africa-and-chile","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/03\/global_mining_reporting_standards.png","alt":"Comparative Analysis of Cut-Off Grade (COG) Strategies: Australia, Canada, Indonesia, South Africa, and Chile"},"title":"Comparative Analysis of Cut-Off Grade (COG) Strategies: Australia, Canada, Indonesia, South Africa, and Chile","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Mar 7, 2026","dateGMT":"2026-03-06 17:02:59","modifiedDate":"2026-03-07 00:03:48","modifiedDateGMT":"2026-03-06 17:03:48","commentCount":"0","commentStatus":"open","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/cut-off-grade\/' rel='post_tag'>cut-off grade<\/a>","et_post_format":""},"readTime":{"min":9,"sec":42},"status":"publish","content":"Executive Summary This report provides a comparative analysis of Cut-Off Grade (COG) strategies and regulatory frameworks across five major mining"},{"id":4181,"link":"https:\/\/joindamanik.com\/where-should-grade-control-sit-mining-vs-exploration\/","name":"where-should-grade-control-sit-mining-vs-exploration","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/02\/Grade-control.jpg","alt":"Grade control"},"title":"Where Should Grade Control Sit? Mining vs. Exploration?","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Feb 28, 2026","dateGMT":"2026-02-28 03:01:37","modifiedDate":"2026-03-06 23:11:14","modifiedDateGMT":"2026-03-06 16:11:14","commentCount":"0","commentStatus":"open","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/grade-control\/' rel='post_tag'>grade control<\/a>","et_post_format":""},"readTime":{"min":20,"sec":54},"status":"publish","content":"

				
				
				
				
				
				
				
				
				
			

				
				
				
				
				
			

				
				
				
				
				
			

				
				
				
				
				
			
 Scope and Purpose of Grade Control Across both open\u2011pit and underground operations, grade control is the set of"},{"id":4173,"link":"https:\/\/joindamanik.com\/economic-cut-off-grade-for-nickel-vs-resource-estimation-cut-off-grade\/","name":"economic-cut-off-grade-for-nickel-vs-resource-estimation-cut-off-grade","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/02\/Economic-Cut\u2011Off-Grade-for-Nickel.png","alt":"Economic Cut\u2011Off Grade for Nickel"},"title":"Economic Cut\u2011Off Grade for Nickel vs. Resource\u2011Estimation Cut\u2011Off Grade","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Feb 22, 2026","dateGMT":"2026-02-22 00:23:35","modifiedDate":"2026-02-23 07:31:48","modifiedDateGMT":"2026-02-23 00:31:48","commentCount":"0","commentStatus":"open","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/resources\/\" rel=\"category tag\">Resources<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/resources\/\" rel=\"category tag\">Resources<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/reserve-estimate\/' rel='post_tag'>reserve estimate<\/a><a href='https:\/\/joindamanik.com\/tag\/resource-estimate\/' rel='post_tag'>resource estimate<\/a>","et_post_format":""},"readTime":{"min":15,"sec":24},"status":"publish","content":"The literature distinguishes clearly between economic cut\u2011off grade (COG) used for mine planning\/operation and geological cut\u2011off grade used to report"},{"id":4106,"link":"https:\/\/joindamanik.com\/the-surpac-%e2%86%92-whittle-%e2%86%92-minesched-workflow-in-open-pit-mine-planning\/","name":"the-surpac-%e2%86%92-whittle-%e2%86%92-minesched-workflow-in-open-pit-mine-planning","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/02\/Geovia-Surpac.png","alt":"Geovia Surpac"},"title":"The Surpac \u2192 Whittle \u2192 MineSched Workflow in Open\u2011Pit Mine Planning","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Feb 19, 2026","dateGMT":"2026-02-19 15:44:09","modifiedDate":"2026-02-19 22:44:10","modifiedDateGMT":"2026-02-19 15:44:10","commentCount":"0","commentStatus":"open","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/mine-planning\/' rel='post_tag'>mine planning<\/a><a href='https:\/\/joindamanik.com\/tag\/pit-optimization\/' rel='post_tag'>pit optimization<\/a>","et_post_format":""},"readTime":{"min":16,"sec":32},"status":"publish","content":"Open\u2011pit mine planning ultimately aims to maximize Net Present Value (NPV) while satisfying geotechnical, operational, environmental and market constraints. To"},{"id":4166,"link":"https:\/\/joindamanik.com\/variogram-validation-and-its-role-in-resource-block-modelling\/","name":"variogram-validation-and-its-role-in-resource-block-modelling","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/02\/Surpac-Variogram-Model.png","alt":"Surpac Variogram Model"},"title":"Variogram Validation and Its Role in Resource Block Modelling","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Feb 17, 2026","dateGMT":"2026-02-17 16:51:01","modifiedDate":"2026-02-19 23:52:17","modifiedDateGMT":"2026-02-19 16:52:17","commentCount":"0","commentStatus":"open","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/geostatistic\/\" rel=\"category tag\">Geostatistic<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/geostatistic\/\" rel=\"category tag\">Geostatistic<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/variogram\/' rel='post_tag'>variogram<\/a>","et_post_format":""},"readTime":{"min":9,"sec":5},"status":"publish","content":"Variogram validation is central to building reliable geostatistical models and, ultimately, trustworthy resource block models in mining and petroleum applications."},{"id":4155,"link":"https:\/\/joindamanik.com\/internal-vs-external-grade-dilution-in-block-models-concepts-determination-and-modelling\/","name":"internal-vs-external-grade-dilution-in-block-models-concepts-determination-and-modelling","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/02\/Internal-vs-External-Grade-Dilution-in-Block-Models-Concepts-Determination-and-Modelling.jpg","alt":"Internal vs External Grade Dilution in Block Models\u00a0Concepts Determination and Modelling"},"title":"Internal vs. External Grade Dilution in Block Models:\u00a0Concepts, Determination, and Modelling","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Feb 15, 2026","dateGMT":"2026-02-15 08:53:40","modifiedDate":"2026-02-15 15:56:27","modifiedDateGMT":"2026-02-15 08:56:27","commentCount":"0","commentStatus":"open","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/blockmodel\/' rel='post_tag'>blockmodel<\/a><a href='https:\/\/joindamanik.com\/tag\/loss-and-dilution\/' rel='post_tag'>loss and dilution<\/a><a href='https:\/\/joindamanik.com\/tag\/mine-planning\/' rel='post_tag'>mine planning<\/a>","et_post_format":""},"readTime":{"min":12,"sec":31},"status":"publish","content":"Internal and external dilution are central to converting geological resources into realistic mineable reserves, because they directly control plant feed"},{"id":4092,"link":"https:\/\/joindamanik.com\/choosing-the-ultimate-pit-optimize-vs-maximize-in-open-pit-design\/","name":"choosing-the-ultimate-pit-optimize-vs-maximize-in-open-pit-design","thumbnail":{"url":"https:\/\/joindamanik.com\/wp-content\/uploads\/2026\/02\/Choosing-the-Ultimate-Pit-Optimize-vs-Maximize-in-Open-Pit-Design.png","alt":"Choosing the Ultimate Pit Optimize vs Maximize in Open Pit Design"},"title":"Choosing the Ultimate Pit: \u201cOptimize\u201d vs \u201cMaximize\u201d in Open\u2011Pit Design","postMeta":[],"author":{"name":"Join Damanik","link":"https:\/\/joindamanik.com\/author\/joindamanik\/"},"date":"Feb 13, 2026","dateGMT":"2026-02-13 01:10:00","modifiedDate":"2026-02-13 08:10:01","modifiedDateGMT":"2026-02-13 01:10:01","commentCount":"0","commentStatus":"open","categories":{"coma":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>","space":"<a href=\"https:\/\/joindamanik.com\/category\/mining\/\" rel=\"category tag\">Mining<\/a>"},"taxonomies":{"post_tag":"<a href='https:\/\/joindamanik.com\/tag\/pit-optimization\/' rel='post_tag'>pit optimization<\/a>","et_post_format":""},"readTime":{"min":20,"sec":48},"status":"publish","content":"Open\u2011pit design always comes to a critical question: how big should the final pit be? This \u201cultimate pit\u201d decision controls"}]