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.
Posts
Posts
29 articles
Resource Estimation
5 Resource Estimation Mistakes That Cost Mining Companies Millions
The five recurring failure patterns that show up in due-diligence audits, the consequences they trigger, and the boring discipline that prevents them.
Compositing
Compositing 101: How to Pick the Right Composite Length
Composite length is one of the most consequential and least-discussed decisions in resource estimation. Here's the field-tested framework for picking the right one.
Validation
How to Validate Drillhole Data Before Resource Estimation
80% of resource model errors start with bad collar, survey, or assay data. Here's the 6-step QA checklist that catches problems before they cost you a feasibility study.
JORC
JORC Table 1 Checklist for Indonesian Geologists
A practical pre-audit checklist for JORC Table 1 sections, mapped to KCMI 2017 equivalents, with the Indonesian-context gotchas auditors actually catch.
Top-Cut
Top-Cut Analysis: When to Cap High Grades (and When Not To)
Top-cuts are one of the most consequential and least-defended decisions in gold resource estimation. Here are three methods, when to apply them, and when capping is the wrong answer.
Variography
Variography for Geologists Who Hate Math: A Visual Guide
Variograms without the equations. A field-first walkthrough of sill, range, nugget, anisotropy, and how to actually read an experimental variogram before you fit a model.
JORC
JORC 2012 vs KCMI 2017 — What Indonesian Geologists Need to Know
Both standards, same goal: transparent resource reporting. Here's the practical compliance checklist for Indonesian projects, and where JORC and KCMI actually differ.
Tutorial
Getting Started with Orebit GeoSuite — From CSV to First Chart in 5 Minutes
No install. No account. No subscription. Download the tool, open it on your laptop, upload your CSVs, and you're working. Here's the 5-minute walkthrough.
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