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AusIMM Mining Geology Webinar: Mining Reconciliation Standardisation R Factor Series

Snowden Optiro Principal Consultant Rayleen Hargreaves presents an advanced structural extension to the reconciliation process, utilizing resource ratios (R Series factors) to quantitatively assess the long-term impact of the information effect, as well as dilution and ore loss.
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Ian and Paul believe in transferring their knowledge and skills to other geologists

Generosity is alive and well! Both Ian Glacken – Executive Consultant and Paul Blackney – Executive Consultant, believe in sharing the knowledge and skills they have each gained over their more than 35 years’ worldwide experience as geologists. So in…

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Videos: 30 Seconds of Info. Chinese with English subtitles

Our 30 Seconds of Info videos are presented in Chinese, with English subtitles, by our Consultant Gregory Zhang. The videos are full of useful tips and technical tricks compiled by Ian Glacken our Geology Director and Paul Blackney our Principal Consultant. These videos cover Sampling, QAQC, Resource Estimation and Reconciliation.
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Part 1 of the QAQC Podcast… accuracy and precision.

In this Part 1 of a 2 Part podcast series, Paul Blackney our Principal Consultant discusses the difference between accuracy and precision and illustrates what accuracy means in practice. This Fresh Thinking podcast episode at a glance: 0:54 What's the difference between accuracy and precision? 5:12 Why are the accuracy and precision of geological data so important? 7:09 How do we know we have an acceptable accuracy for sample grade data? 9:50 Not everything goes to plan. What can you do if your grade control accuracy doesn't meet your expectations? You can subscribe to the Fresh Thinking podcasts on Google Podcasts, iTunes, Stitcher, Spotify and the Optiro website.
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PODCASTS: 12 Fresh Thinking by Optiro podcasts

Technical Podcasts for the Mining Industry. Our technical podcast series titled Fresh Thinking by Optiro are available for free on iTunes, Stitcher, Spotify, Google Podcasts and on the Optiro website. Our aim is to offer interesting technical talks and key information with a fresh take on the world of geology and mining. We will be uploading new podcasts on a regular basis.
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Where to find our Fresh Thinking podcasts – for those in the mining industry

You can find our Fresh Thinking technical podcasts on the following platforms: Google Podcasts Spotify Stitcher iTunes Happy listening! About our podcast presenters: Ian Glacken BSc (Hons) (Geology), MSc(Mining Geology), DIC, MSc(Geostatistics), Grad Dip Computing, FAusIMM(CP), FAIG, MIMMM, CEng Ian is…

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PODCAST: Declustering… what is the true grade?

In this week's Fresh Thinking by Optiro podcast, Ian Glacken our Director of Geology, and Paul Blackney our Principal Consultant Geology discuss declustering and where to use it. Declustering is a critical technique to understand and use when estimating a resource. It helps you get a more accurate picture of the whole ore body, but why is it controversial in parts of the industry? The podcast at a glance: 0:51 What is declustering and why is mining data clustered? 1:41 What are the implications of not declustering? 2:03 When is declustering useful? 2:52 Do we need to apply declustering to ordinary kriging? 3:26 What are some of the normal methods used when declustering? 5:12 So not everyone uses declustering. Why do some practitioners disavow it? 6:10 Do you both agree on when to apply declustering? 7:22 Are there any circumstances when its mandatory to decluster? 9:12 Where should people go to learn more?
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