QA-QC
Assay QA/QC Protocol: From Field Sampling to Lab Certificates
Blanks, standards, duplicates — insertion rates, failure thresholds, and the corrective actions when QC fails. A field-to-lab QA/QC protocol for Indonesian projects.
QA-QC
Category: QA-QC
3 articles
QA-QC
Specific Gravity and Bulk Density: Why Your Tonnage Is Wrong
SG measurement methods, common errors, and why tonnage errors dwarf grade errors. Indonesian nickel laterite case study where SG varied 1.2 to 1.8 across the deposit.
Validation
Before/After QC, Snowden Supervisor-Style — Now on Your Laptop
Snowden Supervisor-style drillhole data validation: Before/After QC that took a senior geologist a day, now 1 hour on your laptop. Thalanga sample workflow.
From Orebit — practical geology tools for working geologists