Category: Mining

Edit your surfaces in Leapfrog Geo like a pro

Using Leapfrog’s advanced surfacing editing tools, you have more freedom to shape your model and apply your geological skill and knowledge.

This blog summarises our recent advanced surface editing webinar and gives you access to the full recorded webinar.

The premise for the webinar is that with Leapfrog you use your available geological data to create a base model and then use Leapfrog’s advanced surface editing tools and your skill and knowledge to review and shape the model.

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When geologists share, the mining industry benefits

When modellers collaborate, they work faster and think smarter. But getting them to share is not as easy as it sounds. The process needs to be effortless and automatic to deliver the best results, says Seequent Senior Technical Leader Julia Oliveira.

It’s hard to overstate how important collaboration is in our industry. Modelling is not a one-person game, or even a one-team game. When you try to model by yourself that only makes it harder, and that’s because geology is not a one-person truth.

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How Leapfrog upgraded geological understanding at Amaruq

Needing to understand the complex folding and faulting geology of their Amaruq project in Nunavut Canada, leading Canadian-based gold producer Agnico Eagle turned to Leapfrog. During the exploration phase that followed, the team relied on Leapfrog daily to rapidly update, view in 3D and model different geological units allowing optimised drilling in tight timeframes.

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Seequent and IMDEX: An expanding technology partnership for 3D visualisation of drillhole data

Imagine using drillhole data to immediately see what’s going on underground in real-time. This is what the expanding technology partnership between Seequent and IMDEX is aiming to achieve.

As leaders in 3D geological modelling and visualisation software, Seequent are thrilled to be working with IMDEX, who are global leaders in mining equipment, technology and services (METS).

Bernie Ridgeway, Managing Director of IMDEX and Shaun Maloney, CEO of Seequent

Bernie Ridgeway, Managing Director of IMDEX and Shaun Maloney, CEO of Seequent at IMDEX headquarters in Perth.

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Polymetal compares Leapfrog EDGE to Datamine

Model of ore zone and faults created in Leapfrog Geo with EDGE

Model of ore zone and faults created in Leapfrog Geo with EDGE

In a study carried out by leading precious metals mining group Polymetal International plc, new resource estimation solution, Leapfrog EDGE, was proven to achieve the same results as Datamine. The study also revealed many distinct advantages with Leapfrog EDGE, which applies the highly dynamic, intuitive and visual Leapfrog 3D capabilities to resource modelling. Leapfrog EDGE includes all of the industry standard tools you need most, for estimating, domaining, geostatistical evaluation and reporting.

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DATA IS A SOLID INVESTMENT FOR JUNIOR EXPLORATION COMPANIES

If you’re a junior exploration company, your aim is to run a well-funded successful exploration program, which results in an attractive official resource estimate that pays off for investors. Arriving at that estimate is a lengthy, complex process involving thousands of data points. We spoke to Contact Gold Corp about their approach and how using Leapfrog Geo helped them make a valuable intercept at a key exploration project in Nevada: Pony Creek.

Geologist Zachery Hibdon, explains Contact Gold’s interest in Pony Creek. “We’re looking for gold deposits on what is considered the southern end of the Carlin Trend, which is one of the more prolific gold trends in the world. Over 100 million ounces of gold have been produced out of mines on this trend. It’s a great place to be looking for more gold.”

Parts of Pony Creek have been previously explored, so there is historical data available to help Contact Gold’s team build a more reliable, current geological picture. Handily, Leapfrog has features to help validate historical data and raise flags for clean-up. Zach commented on the validation features in Leapfrog saying, “It’s a quick painless process to go through and once you figure out where some of those red flags are they can be used to help clean the data.” So even where there is known, desirable gold mineralisation such as at Pony Creek, the objective is to carefully analyse the geologic controls behind it, to ultimately create an accurate resource estimate.

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Why a single source of truth has more than one advantage for the mining industry

Centralising all your data on one platform – such as Leapfrog Central – will dramatically improve your review process. But it also has a far-reaching and beneficial impact on your company culture, argues Seequent Senior Technical Leader Julia Oliveira.

It wasn’t so very long ago that if we needed to review models in the mining industry we would have to send pen drives from the mine to the head office – by plane. Imagine that! If you have to send data by plane, you have a problem.

Leapfrog Central

Even putting data on a server and then downloading it somehow seems too complicated in 2018 for something that should be simple and fluid. It’s also open to error. Centralising all your data on one platform gives you security, reliable version control, and makes sure everyone is working from the same model and can track its history.

But what’s meaningful about centralisation for me – particularly about using Leapfrog Central – is that it’s not just about process. It can also be about inspiration, recognition and better work. Because what’s surprising is that when you introduce new technology you can also introduce a new culture; a better, modern and more effective culture that can inspire your geologists to do more.

To get there you have to realise that talking to users and talking to managers about centralisation are two very different conversations.

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Creating an easily updatable Mined Geology Model in Leapfrog Geo

Ron Reid, Group Resource Geologist at Harmony GoldBy guest blogger, Ron Reid, Group Resource Geologist at Harmony Gold. Comments contained within are the authors alone and do not in any way represent the opinions of Harmony Gold.

I was asked the other day – can you filter the model for the mined / unmined material in Leapfrog. This got me thinking – the answer is yes but doing it once and only once is a lot of work to get a single result. If we flag a model as mined/unmined today, then tomorrow the result is wrong as we have mined some more. So I asked myself “Is there a way to create a mined model that is easily updated?” There is! It has been a while since I did a ‘how to’ post so I figured this might be a good topic to cover.

In Leapfrog Geo the terminology of the geology modelling process and workflow can easily impose a straitjacket on your thinking – create a geology model using erosion, deposition and intrusion surfaces. What you are in fact creating is a domain model using cutting, covering and slicing surfaces. Remove the geology straitjacket and you will see the domaining process can be used for anything. In this case we can use the cutting (erosion) and covering (deposition) surfaces to cut in a mined/unmined model. Then we can evaluate this model against the drilling, geology models and resource models to flag out the mined material.

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Wood’s Principal Geologist, Peter Oshust talks Leapfrog EDGE

Peter Oshust, Wood PLC

Peter has over 25 years’ operating and consulting experience for base-metals, gold, platinum-palladium, and diamond projects around the world. Based in Vancouver, he specialises in geological modelling, geostatistics, and Mineral Resource estimation. Wood combines the experience and expertise of Amec Foster Wheeler and Wood Group into one full scope service company supporting industrial assets for customers worldwide. For more info: https://www.woodplc.com/.

In your opinion how has resource estimation or geostatistics changed over the last 10 years?
Resource estimation has changed over the past 10 years in a few areas. First, regulators and consumers of technical reports have driven improvements by demanding greater responsibility and accountability for the predictions. Also, industry and public both have a better understanding of resource confidence. For the practitioner, recent developments in software applications have provided toolkits that enable the assimilation of multiple data types and much more rapid analysis and modelling than previously. Improvements in computer hardware have also made it possible to tackle larger datasets and models.

Resource estimation will continue to change, with punctuated evolution from new applications like Leapfrog EDGE.

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Reporting Resources in Leapfrog EDGE using open pit shells

By Seequent Senior Resource Geologist Carrie Nicholls

In this blog, I will teach you how to use Leapfrog EDGE to report using open pit shells.

You have completed the resource model and now you need to compile the table of resource figures. If there has been mining activity, either historic or present, then the deposit will have to be depleted. In addition, if appropriate and available, you will most likely need to constrain the resources with a resource pit shell and/or underground stope optimisation.

Whether it is an open pit shell or closed volumes, as would be the case with underground mining, the basic procedure will be the same. A ‘Geological Model’ will need to be made to represent the reporting volumes. The estimated grade model as completed in Leapfrog EDGE and the ‘pit’ model will be evaluated onto a block model. This will then be used to report the resources at the cut-offs required. Creating the ‘pit’ model itself is straight forward. Some open pit surfaces may be a little trickier to incorporate, for example if the pit edge daylights it may not be enough to extend to the geological model extents. If it’s not be possible to go back to the mining engineer who made it to extend the pit shell, I’ll show you how to deal with this.

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