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JNA Resource Advisory

Insights & Perspectives

Technical commentary on QP certifications, mineral resource estimation, capital markets, and the evolving intersection of geology and AI.

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From the QP's Desk

Resource Estimation 📊

Understanding Variography: The Foundation of Every Kriging Estimate

Variography is the step most engineers rush — and the one that most often explains why two QPs produce different resource estimates from the same dataset.

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Mining Technology & Innovation 🤖

From Rocks to Revenue: How Modern Geology and AI Are Transforming Mining

Unraveling the intricate tapestry of Earth's crust, modern geology leverages cutting-edge technology to transform seemingly inert rocks into valuable assets.

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Resource Estimation

Why Every Resource Model Needs a Geologically Defensible Domain Framework

Domain 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.

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NI 43-101 📄

Five Sections of a Technical Report That Investors Actually Read

Most 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.

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AI / ML 🤖

Gradient Boosting for Grade Forecasting: Promise, Pitfalls and QP Liability

Machine-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.

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West Africa 🌍

Navigating the Ghana Minerals Commission: A Practical Guide for Foreign Juniors

From 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.

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Due Diligence 🔍

Red Flags in Drill-Hole Databases: What I Look For in the First 30 Minutes

A 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.

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JORC 🗺

JORC 2012 vs NI 43-101: Material Differences Every Cross-Listed Company Must Know

Companies 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.

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Valuation 💰

Appraising Inferred Resources: Bridging Geological Confidence and Market Reality

Inferred 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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