The Latest Advancements in Underground Mining Technologies (2024)

The Latest Advancements in Underground Mining Technologies (1)By Reginald DaveyReviewed by Laura ThomsonMar 13 2024

Exploiting critical resources such as minerals and hydrocarbons has been one of the key economic activities across the long expanse of human history. Today, mining is a $1 trillion industry, providing materials for everything from the energy sector to the commercial goods market.

The Latest Advancements in Underground Mining Technologies (2)

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At the center of this story is the development of ever-more-sophisticated technologies allowing miners to probe deeper into the Earth’s depths to recover critical industrial resources. This article will explore the latest advancements in underground mining technologies and their significance for the sector and wider society.

Digging Deeper: Underground Mining and Technology

As the world population and global standard of living increases, there is a growing demand for minerals. To provide the myriad of resources, materials, and technologies needed to support the development of modern economies, mines have to reach deeper into the Earth.1

However, deep underground mines are highly challenging and technical environments for miners and mine planners. Ensuring the safety of miners, the economic viability of mines and productivity, and the safe recovery of mineral ores requires innovative technologies.

Rockbursts, high in situ stress, gas outbursts, and high temperatures can all present serious risks to the safety of miners and equipment. The global economy’s increasing consumption of natural resources and minerals is causing a growing sustainability crisis and impacting the future economic viability of mines themselves. Rich countries, for instance, consume more than six times the resources as poorer nations, according to the UN.2

The mining industry must adapt to new trends, technologies, and working practices to remain economically viable while meeting its sustainability and environmental goals. The past few decades have seen the development of innovative technologies in areas such as automation, sensing, AI and data analytics, safety, electrification, and robotics.

Automated and Remote-Controlled Machinery

Automation is a key element of Industry 4.0, delivering benefits to multiple industries in terms of safety, efficiency, and productivity. Automated drilling rigs, drones, and hauling trucks are just some examples of automated and remote-controlled machinery that are seeing increased adoption in the modern underground mine, replacing human miners that have traditionally been the backbone of the industry.

Autonomous mining equipment, such as dozers, drilling rigs, load-haul dump machines (LUDs), excavators, and trucks, is outfitted with advanced software, sensors, and robotic components. Features of these machines include semi-autonomous and fully autonomous operation, proximity detection, and fleet tracking.3

Read More: Enabling Net-Zero Mining in Open-Pit and Underground Mines

Several companies have entered the race to develop fully autonomous mining equipment. Rio Tinto, for instance, is employing autonomous drilling systems at its mines in Australia. With this technology, a single operator can simultaneously control four autonomous rigs, improving safety and reducing labor costs while promoting better efficiency and productivity.4

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Remote-operated vehicles such as drones are being used for safety inspections and exploring mines, collecting raw data, which mine planners can use when situated a safe distance from the mine. They can also be used for blast engineering and stockpile inventory monitoring tasks.5

Enhanced Safety Technologies

Miner safety is a critical concern as deep underground mines are hazardous environments that are hard to reach if there is a disaster. Several new technologies have appeared to improve miner safety in recent years, taking advantage of innovative developments in wearable technologies, sensors, and advanced monitoring systems.

  • Wearable, sensor-integrated technologies, such as smart helmets, can monitor the health of workers and any hazards in their environment.
  • Biometric devices provide real-time alerts on factors such as worker stress.
  • Proximity sensors such as RFID tags can locate and track workers and equipment in real-time.
  • Augmented and virtual reality can display essential maintenance and safety data.6
  • Sensors can detect the presence of gases in the environment, reducing exposure.

Environmental Impact Reduction

While incredibly economically important, mining has a substantial environmental impact, which the industry is attempting to reduce quickly to meet its sustainability goals. The sector is increasingly turning to green technology, such as electrified fleet vehicles, plant machinery, and renewable energy.

Reducing the impact of water use in mining is a current concern. Water is used for several key purposes such as dust suppression and processing. However, these activities cause contamination of local water resources which can harm local ecosystems. Land rehabilitation is also vital to return land to a viable agricultural condition.7 Proper tailings management can go a long way toward reducing impact.

Minimizing pollution and carbon emissions from mines is crucial to ensure minimal environmental impact. Companies such as CSIRO have been developing ways to rapidly improve water quality and ensure discharges from mines meet environmental standards.7

Digitization and Data Analytics

The mining industry is increasingly adopting digitization. Sensors, big data, AI, digital twins, and many Industry 4.0 technologies are being implemented to improve monitoring, exploration, data analytics, predictive maintenance, and worker safety. The mine of the future will become a smarter more interconnected, data-driven environment.

Predictive maintenance is a key trend in the mining industry, made possible by increasing digitization and data analytics and the development of smart sensors, AI, and machine learning. Vast amounts of data from multiple points can be retrieved, analyzed, and used to action maintenance tasks, reducing downtime and improving productivity while improving safety.8

Challenges and Future Directions

Several challenges persist which present roadblocks to adopting new technologies, such as initial capital investment and cost considerations, regulatory hurdles, staff training, data security, and technical challenges associated with exploiting ever deeper resources.

Future directions will include increased automation, digitization, data analytics, and the adoption of green technologies. One emerging technology which could overcome one challenge – the theoretical limit of how deep conventional methods can go – is fluidized mining.

This proposed technique incorporates unmanned mining, automated sorting, fluidization of solid resources, backfilling, and intelligent electricity control technologies.1

The Benefits Technology Can Bring to the Mining Industry

If the mining industry is to meet its sustainability goals while remaining economically viable and ensuring optimal performance, efficiency, and worker safety, it must embrace innovative emerging technologies in areas such as Industry 4.0. While key technical and financial challenges persist, the potential benefits to the mining industry and its future progression are obvious and far-reaching.

References and Further Reading

  1. Ranjith, P.G et al. (2017) Opportunities and Challenges in Deep Mining: A Brief Review Engineering 3:4 pp. 546-551 [online] sciencedirect.com. Available at: https://www.sciencedirect.com/science/article/pii/S209580991730615X
  2. United Nations Environment Programme (2024) Rich countries use six times more resources, generate 10 times the climate impacts than low-income ones [online] unep.org. Available at: https://www.unep.org/news-and-stories/press-release/rich-countries-use-six-times-more-resources-generate-10-times
  3. Antaira Technologies (2022) Understanding how Automated Mining Equipment Works [online] antaira.com. Available at: https://www.antaira.com/Understanding-How-Automated-Mining-Equipment-Works
  4. Turner, J. (2018) Mining robots: Rio Tinto doubles down on autonomous drilling [online] Mining Technology. Available at: https://www.mining-technology.com/features/mining-robots-rio-tinto-doubles-autonomous-drilling/
  5. Dukowitz, Z (2020) Drones in Mining: How Drones Are Helping Visualize Underground Spaces Too Dangerous to Enter [online] UAV Coach. Available at: https://uavcoach.com/drones-mining
  6. Deloitte (2023) Future of mining with wearables: Harnessing the hype to improve safety [online] Cornettscorner.com. Available at: https://cornettscorner.com/wp-content/uploads/2023/05/Report-on-Wearables-for-miners.pdf
  7. Minerals Council of Australia (2023) Mine Rehabilitation: Rehabilitation, Closure Planning and Regulation [online] minerals.org.au. Available at: https://minerals.org.au/wp-content/uploads/2023/01/Mine-rehabilitation_Update-AUG-2018_FINAL.pdf
  8. Provencher, M (2021) A guide to predictive maintenance for the smart mine [online] Aquantico. Available at: https://www.aquantico.io/a-guide-to-predictive-maintenance-in-mining/

Disclaimer: The views expressed here are those of the author expressed in their private capacity and do not necessarily represent the views of AZoM.com Limited T/A AZoNetwork the owner and operator of this website. This disclaimer forms part of the Terms and conditions of use of this website.

The Latest Advancements in Underground Mining Technologies (2024)

FAQs

What is the new technology for underground mining? ›

Companies like Exyn Technologies use drones to map out a 3-dimensional landscape of underground mines without compromising employee safety. These drones deliver hyper-accurate, survey-grade 3D maps in real-time. Plus, they're able to navigate mines with little to no light with ease.

What is the new technology for mining in 2024? ›

Trend 3: Technology

Equally, digital twinning technology is enabling operators to optimise mine operations, maintenance, productivity and safety by creating virtual, interactive digital models of physical mines. And automated fleets, operating on routes planned by autonomous vehicles, is also enhancing safety on sites.

How is underground mining done today? ›

Typically, long hole mining requires two excavations within the ore at different elevations below surface, (15 m – 30 m apart). Holes are drilled between the two excavations and loaded with explosives. The holes are blasted and the ore is removed from the bottom excavation.

What are the technology trends in mining? ›

After a period of recovery, the Mining industry is ramping up investment in innovative technology. Find out which trends to keep an eye on. The top tech trends in the Mining industry include drones, 3D printing, automation, & GPS fleet tracking.

Is the future of mining underground? ›

Newtrax believes the future of mining is underground, not only because metals and minerals close to the surface are increasingly rare, but because underground mines have a significantly lower environmental footprint.

What are the three types of underground mining? ›

The underground mining methods we use include room and pillar, narrow vein stoping and large-scale mechanised mining. Room and pillar mining is a style of mining where tunnels are driven in a chess board pattern with massive square pillars between them which are gradually cut away as the work proceeds.

What is the most technologically advanced mine in the world? ›

Rio Tinto Opens Gudai-Darri, its Most Technologically Advanced Mine.

What is the new technology for lithium mining? ›

New technology extracts lithium from brines inexpensively and sustainably. A new method for extracting lithium from briny water offers a more efficient, cost-effective, and environmental alternative to traditional lithium production. It could also help solve lithium supply chain issues.

What are the new trends in process mining? ›

More and more companies are understanding the added value that can be unlocked through Process Mining: Cost savings, improved process efficiency or automation projects are driving them. In terms of figures, 80% of companies are already motivated to integrate a Process Mining tool.

How do underground mines not collapse? ›

Underground mines are commonly stabilized by filling the void space created by the extracted ore with material. The reason this is done is for the protection of surface structures and landfills from damage as a result of mine collapse of the mine structure some time in the future.

What is the problem with underground mining? ›

Cave-ins, explosions, toxic air, and extreme temperatures are some of the most perilous hazards observed to take place in underground mining. Valuable minerals are found all over the world.

How are underground mines restored? ›

Steps of a Mine Closure Plan

Remediation: Cleaning up contaminated areas by removing/isolating contaminants. Reclamation: Physically stabilizing the terrain, landscaping, restoring topsoil, and returning land to a useful purpose. Restoration: Rebuilding the ecosystem that existed at the site before it was disturbed.

What technology is being used in current mines? ›

Surveilling and Mapping: Miners use drones to take images of open-pit mines and quarries. Then, they use photogrammetry software to generate 3D renderings with these images, which companies often use to make realistic topographical maps, digital terrain models, and more to monitor site changes over time.

How is AI used in mining? ›

Through artificial intelligence (AI) and analytics, mining and metals companies can use data to recognize patterns and anomalies and increase agility and responsiveness, allowing them to be predictive and proactive instead of passive and reactive.

How does smart mining work? ›

Smart mines are essentially those whose key assets are digitized through embedded sensors that relay data to a central system via a wireless network.

What is the new technology of tunnel excavation? ›

Modern Tunnel Boring Machines (TBMs) are equipped with sensors and computer systems that allow for real-time monitoring and adjustments. These "smart" TBMs can adapt to varying ground conditions, optimizing their cutting head speed, torque, and thrust.

What technology is used in modern mining? ›

Surveilling and Mapping: Miners use drones to take images of open-pit mines and quarries. Then, they use photogrammetry software to generate 3D renderings with these images, which companies often use to make realistic topographical maps, digital terrain models, and more to monitor site changes over time.

What technology is used for deep sea mining? ›

Two technologies being considered for commercial mining of the ocean floor are continuous line bucket system (CLB) and hydraulic suction systems. CLB is the preferred method and transfers the mud up to the ship in a conveyor belt type system.

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