JNA Resource Advisory
Technical commentary on QP certifications, mineral resource estimation, capital markets, and the evolving intersection of geology and AI.
Latest Articles
Many “ore-control” failures aren’t rooted in grade estimation, but in the hidden chaos unleashed by blast movement transforming high-value ore into off-target waste or dilution.
Read ArticleVariography is the step most engineers rush — and the one that most often explains why two QPs produce different resource estimates from the same dataset.
Read ArticleUnraveling the intricate tapestry of Earth's crust, modern geology leverages cutting-edge technology to transform seemingly inert rocks into valuable assets.
Read ArticleDomain definition is arguably the most consequential decision in resource estimation, yet it receives far less attention in regulatory guidance than the interpolation method that follows.
Read ArticleMost NI 43-101 reports are written for regulators. This post examines what buy-side analysts and streaming companies focus on — and how a QP can structure the document to serve both audiences without compromising independence.
Read ArticleMachine-learning grade prediction models are proliferating in exploration. I explore where they add genuine value, where they create disclosure risk under SK-1300, and the due-diligence questions an independent QP should always ask before signing off.
Read ArticleFrom reconnaissance permits to large-scale mining licences, Ghana's regulatory pathway is navigable — but underestimated by teams without in-country experience. This post distils lessons from six years working across the Birimian greenstone belt.
Read ArticleA compromised database can invalidate an entire resource estimate. Here is the rapid-triage checklist I run in acQuire before I open a single compositing spreadsheet — and the data-quality issues that most often derail technical due diligence engagements.
Read ArticleCompanies listing simultaneously on the ASX and TSX face twin reporting obligations. I break down the key divergences in modifying-factor disclosure, Competent Person vs Qualified Person liability, and Table 1 vs Item 14 requirements.
Read ArticleInferred resources rarely appear in DCF models — yet they drive significant market-cap premiums for juniors. This post examines how to communicate inferred inventory to financially literate audiences without overstating confidence or triggering securities-law exposure.
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