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Mining

GeoSLAM Sample Data

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Underground Mine

Location: Turkey
ZEB Scanner: ZEB Horizon

Would you like to see a specific dataset that’s not on this page? Contact [email protected]

How Barberton Mines are using handheld LiDAR to improve efficiency and promote safety

Location

Mpumalanga, South Africa

Scan time

Approx. 10-15 minutes per scan

Size

Size differ per solution

Scanned

Barberton Mines

Industry

Mining

Mining in South Africa

The mining industry in South Africa contributes R350 billion to the economy annually, with an estimated R35 trillion of resources left to mine. Mining companies in Africa and across the globe are continually reviewing their ways of working and best practices for mining safely, efficiently, and sustainably. Research and development play a big role in these changes, with early adopters of new technologies benefitting the most. 

Barberton Mines has been operational for 130 years and is located in Mpumalanga, South Africa. Consisting of several mines, including Fairview, Sheba, and New Consort, they produce ± 80,000 oz of gold annually. In recent years, Barberton has evaluated new technologies to make its mining processes fast, safe, and cost-effective.

One of the ways in which Barberton Mines investigated new technologies, was by finding ways to improve their survey workflows. They adopted static-based LiDAR solutions to produce accurate 3D models and became one of the first users of handheld SLAM solutions in 2014. 

Why did they choose handheld SLAM?

While static-based scanners are highly accurate, the survey team at Barberton Mines needed a quick and versatile solution for the variety of mining methods employed on the different mines and ore-bodies. The goal was simple; to accurately and safely capture data daily for ongoing analysis of the mining production. In addition, they needed a solution that could easily handle the rugged terrain and environment that mines are so often known for.

Barberton Mines chose to reassess their underground mapping technology to improve the speed and accuracy of their survey operations and increase productivity in the mines. 

How GeoSLAM fits in at Barberton Mines

Barberton Mines was the first mine in Sub-Saharan Africa to use GeoSLAM technology when they purchased a ZEB1 in 2014. The results and continued success on the mine prompted them to invest in 4 ZEB Revo’s in 2019, which are still in use today.

The ZEB Revo is lightweight and accurate, making it the perfect tool for surveying. The survey team can complete scans of the mines in half the time, and the process is repeatable. These capabilities have contributed to Barberton Mines streamlining their workflows, long-term cost savings, and greater returns on investment. 

The scanner’s ease-of-use only requires one person on-site to capture data. Furthermore, it doesn’t require professional training to use the equipment so operators can capture data in parts of the mine that surveyors cannot access for safety reasons. This casts a virtual eye on areas of the mine previously unseen by the surveyors and creates an opportunity to review old tunnels.

Finally, the lack of extensive training required to learn how to operate the scanner benefits new employees and the mine in general. It takes less than an hour to learn how to use the equipment and to process the final point cloud data, allowing surveyors to spend more time assessing final deliverables and finding ways to improve efficiencies in the mining process.

GeoSLAMs scanners have exceeded our expectations and have helped to achieve our goals where other mapping methods could not.”
– Thys Smith, Chief Surveyor at Barberton Mines

Solutions

Having originally invested in handheld scanners for underground mapping, Barberton Mines have since adopted the technology for other applications, further increasing their return on investment. The scanners are now operating across three key aspects of Barberton’s mining process.

Production Progress Mapping

The original and most common use for scanning is Production Progress Mapping. Barberton completes daily scans of the mines, bringing the data back for regular analysis of production progress mapping. 

The scanned areas are approximately 300 m3 and using GeoSLAM technology, they can scan large areas in about 10-15 minutes. In addition, because the scanners are handheld, production at the mine isn’t compromised by having to stop miners from doing their jobs while scanning is in process. 

Using the ZEBs, surveyors no longer need to be underground for extended periods, unlike previous methods. They begin their scans in a safe area, proceed to the mining faces, and finish back in the safe area while capturing the data needed – a completely repeatable and efficient process.

Stockpile Measurements

Barberton Mines has 5-6 stockpiles that make up 4000 cubic tons of material. They frequently measure the volume of these stockpiles, to ensure they have accurate and up-to-date information on their resources. 

Simply walking around the stockpiles with a scanner and importing the data into 3rd party software, provides the survey team with all the information they need to produce required reports. 

Health and Safety

One example of where scanning has improved health and safety is the mapping of transport shafts. To comply with safety regulations, surveyors frequently scan the shafts to look for rock movement or deformation that might require further investigation. 

They found that scanning tunnels from the chairlift with a handheld scanner was quicker than previously used conventional methods, like Terrestrial Laser Scanning (TLS) or by hand. Handheld scanners only require the operator to ride the chairlift down- and back up again, without interfering with production.

The scanners are frequently used in these applications and their robust nature means they have never needed repair or maintenance.

Conclusion

Fast, efficient, and accurate data capture from GeoSLAMs handheld LiDAR scanners have proven to be a huge benefit for Barberton Mines. The repeatability of the scans has provided a great return on investment and the durability has meant that despite being used in challenging environments, the scanners have endured. The increased speed of data capture has led to safer work practices for the surveyors, and the walk-and-scan method has resulted in no disruption to the daily work of the mines.

With the scanner’s versatility, the survey team is still finding new applications where the technology can be utilised in the mining environment.

It is paramount for us to understand our client’s needs, especially in the ever-changing environment of mining. GeoSLAM provided the ultimate mapping solution that best addressed those needs, resulting in improved accuracy and overall productivity.”
– Gustav Fick, SME – Subject Matter Expert UAV & 3D Scanning at OPTRON




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    GeoSLAM Sample Data

    View and download data in our free point cloud viewer

    Here’s some helpful tips for the best viewing experience

    • If your internet connection allows, move the Point Budget slider to the maximum amount available to view all the points in the cloud.
    • Making the point size smaller using the Point Size slider makes the data easier to view and interpret.
    • In the tools section of the viewer, you can measure the distance and angles of features within the pointcloud.
    • Using the materials section of the viewer, you can use the Select Attributes dropdown to view by intensity, elevation and RGB (if point cloud is coloured).

    Vent Shaft

    Location: United Kingdom
    ZEB Scanner: ZEB Revo RT

    This data was captured using GeoSLAM’s ZEB Cradle accessory.

    Would you like to see a specific dataset that’s not on this page? Contact [email protected]

    One scanner, many solutions

    Boulby mine was one of the first in the world to use SLAM technology, having adopted GeoSLAM’s ZEB1 into their workflow, in 2013. Nowadays, the mine operates GeoSLAM ZEB Horizons for most of their survey needs.

    On-demand Webinar

    Watch a previous webinar in your own time

    Using GeoSLAM technology to improve Mine Productivity

    Hosted by GeoSLAM dealer Optron and GeoSLAM’s Global Head of Mining Owen Howells. This webinar focuses on Mining Applications and how SLAM technology can be used to quickly and effectively map the existing mining operations. Showcasing the workflow from capturing the data using the ZEB Horizon 3D laser scanner to generating a georeferenced point cloud in GeoSLAM Connect and ultimately getting to the final deliverable. 

    Includes use cases directly from GeoSLAM customers.

    Watch on-demand

    Referencing using control points

    Control points are points within a given area that have known coordinates. They are a key tool in the geospatial industry and can be utilised in a variety of ways, including georeferencing point clouds and aligning aerial images to terrestrial data. By using control points, surveyors are able to accurately map larger areas and position overlapping surveys of an area together. They can also be used in non-geospatial industries, such as construction and mining, to show clear temporal comparisons between multiple surveys of the same area. This method of georeferencing is also referred to as adjust to control.

    Previously, checkerboards and spherical targets have been used as control markers – these items are captured in surveys and can be identified for georeferencing or aligning. The main drawback with these methods is that they rely heavily on human interpretation when processing, meaning that the processed datasets may be susceptible to an increased amount of error.

    When capturing handheld surveys, GeoSLAM systems are able to collect reference points. These can then be matched with known control points to reference scans and increase the level of accuracy.

    What makes GeoSLAM referencing different?

    • More accurate: GeoSLAM scanners are used with known control points and survey grade pins, rather than more traditional moveable targets. This reduces the margin of error within point clouds.
    • Save time: using known survey control points means there is no need to manually position individual targets before every scan. Data capture can then be repeated regularly, faster, easier and with no concerns that reference points are captured in different places each time.
    • Safer: in dangerous or inaccessible areas, targets are not required to be physically positioned on pre-defined control points prior to each scan. This reduces the time exposed to hazards and unsafe areas.
    Geospatial

    Geospatial

    Easily reference point clouds and produce reports highlighting accuracy values.

    Utilities

    Mining

    Regularly monitor site operations (e.g. stockpiles) and hazards.

    Security & Defence

    Construction

    Compare changes over time and map progress onto predetermined CAD/BIM models.

    Capture

    All GeoSLAM ZEB systems are able to capture reference points using the reference plate accessory. These reference points can simply be measured by remaining stationary for periods during a scan and will be recognised during the processing stage. Points can be captured from a horizontal or vertical position, depending on which ZEB system is used, making it easier than ever to georeference datasets.

    Process

    Using the Stop & Go Georeferencing workflow in GeoSLAM Connect, datasets can be automatically referenced through a rigid or non-rigid transformation.

    Scans are rotated and adjusted and reference points are matched to the known control points without changing the scale factor. A single transform is applied to every data point in the point cloud.

    The scale factor of datasets is altered to suit the control points – every data point is moved to a new position; this means the relative positions of these points also changes. This method is better suited for poor SLAM environments.

    A clean georeferenced point cloud is produced using both methods. An accuracy report of the transformation is also generated and includes an RMS error value.

    Once georeferenced using control points, point clouds can be optimised further using leading third party software:

    • Comparisons with existing CAD/BIM models
    • Point cloud to point cloud registration showing changes over time within a given area
    • CAD/BIM model creation

    For more information about our third party partnerships, head to our integrations page.

    Mapping hazardous mines under intense time constraints

    Beck Engineering, an Australian mining engineering consultancy specialising in mining and rock mechanics analysis, needs to rapidly map mines under intense time constraints using versatile technology which is adaptable to any environment. GeoSLAM’s handheld mobile mapping solution was chosen as it is compact, portable and delivers a high level of accuracy. With GeoSLAM’s “go-anywhere” 3D technology in hand, Beck Engineering has been able to supply invaluable data regarding the direct effects of mining to better understand the implications of a deforming rock mass. Beck Engineering is now able to accurately measure the shape of an excavation or tunnel over time. As a result, tunnels are safer, better designed and more cost efficient.

    We have continued to use GeoSLAM products as they have proven to be affordable, lightweight and sufficiently robust devices for their application underground. GeoSLAM continues to produce a high-quality device that is at the forefront of practical mobile laser scanning devices.
    – Evan Jones, Senior Rock Mechanics Engineer at Beck

    Contact us





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      Blogs

      Keep up to date with the latest news and thought leadership from GeoSLAM.

      Mapping the Underground World

      Critical technology for intelligent mines

      The future of underground mining

      The way we work is changing. Advanced technology tools are transforming the way we collaborate, analyse, organise and innovate. In just about every sector, the tech advance is helping organisations be more productive, save time and money and work better together. And the mining industry is no different – only that it lags behind. (1)

      With increased competition, the pressure is on. Around the world, mining operators across all commodities are facing the combined challenges of declining ore grades and operating efficiency. With the decreasing availability of tier one assets, and continued focus on shareholder returns, operators are looking towards digital tools and new ways of working to drive results.

      The digital revolution can transform and automate the entire mining value chain from ‘pit to customer’. Advanced supply chain visualisation tools can aggregate data from multi-systems to show near-real-time operations metrics; drones can help with geotechnical monitoring and remotely conduct stockpile volumetric audits; and powerful laser scanners can build highly accurate 3D maps of underground mines in minutes.

      The last decade has seen the rollercoaster of highs and lows in the mining sector; and the volatility is likely to continue.(2) While digital tools are readily available that help mining decision-makers do the job better, faster, safer and more cost effectively, there are still many businesses slow to embrace transformative practices. With change being a constant, forward- thinking mining operators need to embrace digital technology and drive innovation, or risk being left behind.

      As the mining industry’s value proposition is increasingly called into question, mining companies are beginning to see that they cannot succeed into the future unless they change the way they operate.

      -Glenn Ives, Americas Mining Leader, Deloitte Canada

      The old tools are blunt

      Today’s mining companies aren’t short for choice when it comes to assessing ground-breaking technologies. From autonomous vehicles to automated drilling and tunnel boring systems, the decreasing cost of technology puts many of these innovations within reach. Even within the last few years, drone technology has taken off to the extent that easy-to-use aerial technology is now affordable – and millions of drones are sold each year. (3)

      Digital technologies already employed or that will be employed in the next 3-5 years in mining operations:

      How spatial data visualisation is rocking the mining world

      According to Anglo American, spatial data is being used more and more in the mining industry, with spatial data models and maps becoming more detailed and clearer than ever before. Today, we are seeing breakthroughs in three-dimensional (3D) modelling, Virtual Reality (VR), and Augmented Reality (AR) technology.(1)

      3D modelling creates a viewable, life-like impression with depth perception that allows the human brain to understand and relate to complex interrelated issues. VR enables a user to test a piece of equipment without the risk of damage or cost. These new technologies allow us to design new mines more efficiently and make it possible to experience what it’s like to work in a mine without being out in the field.

      Digital technologies can not only help mining companies survive, but importantly, to thrive. The productivity and safety gains of embracing new technologies are huge: better equipment performance (47 percent), operational/administrative cost savings (42 percent) and better decision making (40 percent).(3) When you add in stronger collaboration across the supply chain, safer conditions for employees being removed from dangerous working conditions and waste being eliminated – even the most risk averse of mining companies can be convinced.

      Yet to be truly successful – cutting-edge technology alone isn’t enough. While digital solutions will empower employees to make better decisions, they will also cause upheaval as manual jobs are automated. Mining companies need to consider how to create new employment opportunities, and how to reskill and retrain people to learn technology and tools faster. They’ll need to not only reach beyond traditional tools but importantly embrace the mindset and approach to collaborate.

      Technology is certainly not a silver bullet, but targeted in the right places, it will make mines even more safe, and our operations more efficient and cost-effective.

      – Dr Caius Priscu, Head of Mineral Residue Facilities, Anglo American

      Rio Tinto: Mine of the Future

      A decade ago, Rio Tinto declared one of the most ambitious transformation programs in mining: plans for an intelligent mine packed with driverless trains, trucks and robotics. At the heart of the program is an operations centre in Western Australia that today generates 2.4 terabytes of data every minute from hundreds of pieces of mobile equipment and sensors. Covering 16 individual mines, the one integrated centre (which looks very similar to NASA’s control centre) is manned by operators over 1,500km from the physical sites.

      The mining giant was also the first mining company to introduce fully autonomous haul trucks which to date have moved over 1 billion tonnes of material and travelled over 150 billion kms. But automation doesn’t stop there: it also introduced automated drills in production drilling, which is safer for operators and more efficient, and is introducing robotic automation in its rail system – a train comprised of 244 cars stretching a total of 2kms driven by robots. Next stop, possibly a mine with no miners?

      The challenges in discovering the world beneath us

      We’ve long been fascinated by the underground world of tunnels and caves, and with today’s tech it may soon be possible that ‘Google maps™’ goes underground. Yet aside from exploring the depths for knowledge, mine operators need to safely tap into and excavate the wealth of minerals beneath us. And this comes with a number of challenges:

      Access Issues
      Access Issues

      Underground mapping is one of the most difficult and demanding forms of surveying with mining professionals needing to work in tight, enclosed spaces.

      Hazardous Sites
      Hazardous Sites

      Mining sites are notoriously hazardous, despite the most rigorous safety checks. Companies strive for zero-harm targets yet the mapping process itself is risky.

      Pressure to Optimise
      Pressure to Optimise

      Tunnel construction and underground projects are time consuming and complex, and companies need to plan efficient site operations to optimise production cycles.

      Time Constraints
      Time Constraints

      Mining professionals need to rapidly and accurately map underground environments under intense time pressure, yet traditional survey techniques are slow and inefficient.

      Transforming mapping in mining environments

      Access to user-friendly technology that can quickly scan difficult-to-reach environments and produce accurate and high-quality 3D data can be a game-changer for mining operators. Leading the change is 3D mobile mapping which helps mine operators improve the way they dig up commodities as well as helping them cut costs, all without the need for GPS.

      Using a handheld laser scanner, operators can walk and scan, or attach the scanner to a trolley, drone, pole or mine vehicle for remote monitoring of hazardous environments. The scanner collects the data and SLAM (Simultaneous Localisation and Mapping) software turns it into actionable 3D information within minutes. With minimal training, operators can use it for rapid insight into rock mass behaviour, to measure stockpile volumes or to map complex tunnel profiles. Robust enough to deal with extremely harsh environments, laser scanners help mine owners deliver productivity and efficiency improvements, at the same time as keeping operators safer.

      This technology allows us to quickly and easily view, compare and evaluate data to paint a picture of what’s under the ground. It’s like an ultrasound image of the deposit delivered in real time, something that we could never do before.

      – John McGagh, Head of Innovation, Rio Tinto


      What exactly is SLAM?

      SLAM stands for Simultaneous Localisation and Mapping. SLAM devices take data from sensors to build a picture of the environment around them and where they are positioned within that environment. The complex SLAM computations and algorithms effectively construct or update a map of an unknown environment while simultaneously keeping track of the device’s location within it. Every few seconds, the scanner is comparing the data collected with the last few seconds and aligning familiar features together to create a very accurate point cloud.

      Setting a new standard for the mining and natural resource sector

      Creating highly accurate maps of the underground world, for the mining and natural resource industries, is one of the most complex forms of surveying. Yet innovations in laser technology are transforming and simplifying the way we map the world beneath us and are being applied to a wide range of applications including:

      Tunnel & Underground Mine
      Tunnel & Underground Mine
      Stockpile Analysis
      Stockpile Volumes
      Shotcrete
      Shotcrete
      Convergence Analysis
      Convergence Analysis
      Shaft Inspection
      Shaft Inspection
      Production Progress Mapping
      Production Progress Mapping

      With powerful mobile mapping technology at their fingertips, mine operators have ready access to previously unattainable insight into rock mass behaviour. This means they can better tailor their ground support regimes, monitor convergence and better target rehabilitation areas. Other benefits include:

      Rapid scanning
      Rapid scanning

      Operators can slash survey times with easy-to-use technology. Anyone on site can map accurate tunnel profiles, stockpile volumes, pits and caves in minutes.

      Go-anywhere mapping
      Go-anywhere mapping

      You can use the technology in the trickiest, darkest and dampest of spaces, even where GPS isn’t available. Walk with the handheld or attach it to a trolley, drone, robot or autonomous vehicle.

      Safety as a priority
      Safety as a priority

      You can safely scan underground, inaccessible and dangerous environments, even remote and hazardous areas.

      Save time and money
      Save time and money

      Data capture and modelling are up to 10x faster, allowing you to successfully complete projects in minimum time with little or no disruption.

      Case Study

      Mapping hazardous mines under intense time constraints

      Beck Engineering, an Australian mining engineering consultancy specialising in mining and rock mechanics analysis, needs to rapidly map mines under intense time constraints using versatile technology which is adaptable to any environment. GeoSLAM’s handheld mobile mapping solution was chosen as it is compact, portable and delivers a high level of accuracy. With GeoSLAM’s “go-anywhere” 3D technology in hand, Beck Engineering has been able to supply invaluable data regarding the direct effects of mining to better understand the implications of a deforming rock mass. Beck Engineering is now able to accurately measure the shape of an excavation or tunnel over time. As a result, tunnels are safer, better designed and more cost efficient.

      We have continued to use GeoSLAM products as they have proven to be affordable, lightweight and sufficiently robust devices for their application underground. GeoSLAM continues to produce a high-quality device that is at the forefront of practical mobile laser scanning devices.
      – Evan Jones, Senior Rock Mechanics Engineer at Beck

      Tech advancements are already helping improve mine safety, remove wastage and drive greater productivity. And mining companies are already creating jobs that require artificial intelligence or automation-specific skills – from data scientists to automation engineers. Forward-thinking operators who foster innovation will remain competitive. While some mining companies may hesitate and deliberate choosing which technology is best for them to deploy, others are decisive and lead in the race for intelligent mine of the future.

      The digital revolution is here – and it’s going underground. With unmanned technology able to carry out open-pit operations, and complex software algorithms able to mine vast quantities of sensor data, the leap to a truly digital mine is within reach.

      References

      1. Future Smart Mining – Anglo American
      2. Tracking the Trends 2018 – Deloitte
      3. Drone Sales Have Tripled – fortune.com

      Underground 3D Mapping with handheld SLAM scanners

      With the recent introduction and constant evolution of handheld SLAM (Simultaneous Localization and Mapping) scanning, mapping underground has become safer, quicker, more automated, highly repeatable, and more effective.