Fresh Thinking by Snowden Optiro16 Apr 2025

106: Practical Realities of Resource Classification

In Episode 106 of Fresh Thinking by Snowden Optiro, Executive Consultants Ian Glacken and Graeme Lyall discuss the practical realities of mineral resource classification.

This episode explores current best practices and highlights the importance of combining data-driven methods with geological insight. Whether you're a junior or major, this conversation will help sharpen your classification strategy and confidence levels.

This podcast at a glance:

⏱️ 00:15 – Why resource classification matters across global reporting codes

⏱️ 01:55 – Introduction to the 90-15 approach for confidence-based classification

⏱️ 04:00 – The dangers of the "spotted dog" effect and how to avoid it

⏱️ 05:21 – Calculating drill spacing the smart way: distance-to-holes technique

⏱️ 07:04 – Alternatives to drill spacing: kriging variance and its limitations

⏱️ 08:00 – Why close spacing doesn't always mean high confidence

⏱️ 09:01 – The two-indicator approach: origins, application, and benefits

⏱️ 13:01 – Assumptions, limitations, and when to adjust the 90-15 rule

⏱️ 17:00 – When the two-indicator method doesn't fit: deposit-style considerations

⏱️ 18:00 – What's coming in Part 2: simulation and scorecard approaches

If you would like to contact Ian and Graeme: contact@snowdenoptiro.com

🔔 Subscribe for more Fresh Thinking about the mining industry.

This podcast is also available as a cideo on our Snowden Optiro YouTube channel: https://youtu.be/7CqcvRDi9Jw

Snowden Optiro is a resources consulting and advisory group that provides independent advice, consulting and training to mining and exploration companies, their advisors and investors.

We help mine developers to advance their projects, mining companies to improve their operations and their professionals, and investors to de-risk their investments by the provision of quality advice, training and software in the field of Mineral Resources and Mineral/Ore Reserves.

Find out more at https://snowdenoptiro.com

Professional Development courses: https://snowdenoptiro.com/professional-development/

contact@snowdenoptiro.com

Det här avsnittet är hämtat från ett öppet RSS-flöde och publiceras inte av Podme. Det kan innehålla reklam.

Avsnitt(169)

EP 170 | Part 1 of 2: Why the Most Expensive Mistake in Grade Control Isn't Low Grade

What if the most expensive mistake in grade control isn't mining low-grade material — but making the wrong decision about what is ore and what is waste? In this two-part episode of Fresh Thinking by S...

12 Aug 4min

EP 169 | Why Good Estimates Can Still Produce Poor Reconciliation

If your resource model is statistically robust, why doesn't it always reconcile with production? In this episode of Fresh Thinking by Snowden Optiro, Melanie Bulley and Senzeni Mandava Matondi explore...

6 Aug 6min

EP 168 | When Geology Isn't Enough - Using Categorical Indicator Kriging to Model Diffuse Mineralisation

How do you model mineralisation when geological boundaries aren't clearly defined? In this episode of Fresh Thinking by @SnowdenOptiro , Senior Consultant, Melanie Bulley is joined by Principal Cons...

29 Juli 8min

EP 166 | What Consultants See That Mine Sites Miss: Lessons in Mine-to-Mill Reconciliation

What do consultants see that mine sites often miss? In this episode of Fresh Thinking bySnowden Optiro, Rayleen Hargreaves is joined by Ian Glacken to discuss the most common mine-to-mill reconciliati...

1 Juli 11min

EP 164 | Critical vs Strategic Minerals: Which Commodities Matter Most?

Which commodities matter most in the global race for critical and strategic minerals? In this episode of @SnowdenOptiro Fresh Thinking podcast, Senzeni Mandava Matondi is joined by Julian Aldridge a...

29 Maj 5min

EP 163 | Critical vs Strategic Minerals: What's the Difference?

What makes a mineral critical? What makes it strategic? And why are governments around the world racing to secure supplies of certain commodities? In this episode of Fresh Thinking by Snowden Optiro ,...

29 Maj 10min

EP 162 | AI in Mining: Tool or Threat to Geologists?

Will AI replace geologists? In this episode of Fresh Thinking by @SnowdenOptiro , we explore how artificial intelligence is being used across the mining industry, from exploration targeting and core ...

29 Maj 22min

EP 161 | Private vs Public Mining Companies: CRIRSCO Compliance Explained

What are the key differences between private mining companies and publicly listed mining companies when it comes to project development, risk, and reporting? In this episode of ‪@SnowdenOptiro‬ 's Fre...

28 Maj 13min