Unlocking near-term critical mineral potential – Metal Tech News
Unlocking near-term critical mineral potential
Metal Tech News – July 9, 2026
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Railveyor
Brownfield mining projects likely offer the most effective near-term route to increasing critical minerals production
Railveyor
A large operation, utilizing three discharge loops to efficiently haul material using the Railveyor system
Railveyor
An aerial view of a Railveyor surface installation designed to consider existing infrastructure and roads
Transforming brownfield project economics to meet critical mineral targets
Across the mining sector, one theme is becoming increasingly urgent: electricity demand is rising, data centers are expanding rapidly, and critical mineral supply is falling further behind demand. Jonathan Price, President and CEO of Teck Restate-of-the-art AI data centre can be built in as little as nine months. A new mine can take as long as 20 years. Demand moves in years; supply moves in decades.”
The question is how the mining industry can respond quickly enough. While greenfield projects remain important, the most effective near-term route to increasing critical minerals production is likely to come from brownfield mining projects
To unlock that potential, however, miners will need to rethink the cost structures that have historically constrained mature operations
Transitioning to a lower-carbon future is dependent on responsibly and sustainably producing much larger volumes of critical minerals such as copper, nickel, cobalt, lithium and rare earth elements, which underpin the technologies driving the energy transition
Much of the conversation around meeting this demand focuses on the discovery and development of new mines without addressing the missing link between critical minerals ambitions and brownfield project economics
Given the long lead times of greenfield mining ventures, however, there is growing recognition that it is faster and more practical to look first at the growth opportunities in mature mining operations. Many existing mines have access to additional mineral deposits which have previously been considered uneconomic – based on the application of mining methods and technologies available at the time
Viewed through a different lens, though, mine operators could leverage the value of certain existing infrastructure while introducing key innovations that transform the cost structure
Re-evaluating existing resources
Historically, cost factors such as haulage and ventilation – and their respective energy consumption and infrastructure constraints – often dictated whether mining could continue on aerating costs often increased until the economics no longer supported further extraction
However, the market conditions that shaped those decisions have changed dramatically. Critical minerals now occupy a strategic position in national industrial policies, energy transition plans, and supply chain security strategies
Governments and mining companies alike are seeking ways to increase production without waiting the decade or more often required to permit and develop entirely new mining operations
As a result, previously marginal ore zones, deeper extensions of existing mines and even dormant operations are being revisited. The key question now is how to harness alternative mining approaches to unlock these assets economically
Railveyor
A large operation, utilizing three discharge loops to efficiently haul material using the Railveyor system
Looking beyond the conventional
One of the most important shifts occurring across the industry is a growing emphasis on life-of-mine economics rather than short-term capital decisions. For instance, conventional mobile fleet haulage has served the mining industry well for decades, but its limitations have become increasingly apparent as mines deepen and production requirements grow
Expanding a haulage fleet typically requires additional vehicles, operators, maintenance facilities, ventilation capacity, and energy consumption. Costs, therefore, tend to rise in parallel with production demands
For brownfield projects, where economics can be particularly sensitive, this scaling model can make potential regly exploring infrastructure-based solutions that fundamentally change the cost structure of material movement
Such alternatives include autonomous rail-based haulage systems, which offer reduced operating costs over extended mine lives. Unlike truck fleets, rail-based systems rely on fixed infrastructure designed for long-term operation. Once established, these systems can move large volumes of material with significantly lower ongoing costs
For mines seeking to unlock additional ore reserves in mature operations, lower haulage costs can have a transformative effect on project economics. Rege assumptions can suddenly becomeeration
Reducing energy and ventilation demands
Energy consumption has, of course, become an increasingly important consideration across the mining sector. Mining companies face mounting pressure from investors, regulators, and customers to reduce carbon emissions by moving away from reliance on diesel
Oil price volatility also complicates financial planning and management – often adding unexpectedly to operating costs like haulage
The deployment of diesel-powered equipment in underground mines also requires significant ventilation – with implications for both infrastructure and ongoing energy usage. Ventilation systems, in fact, represent one of the most significant energy consumers in many underground operations. As mines extend deeper, ventilation demands typically increase, further raising operating costs
Fully electric haulage systems offer an alternative pathway. By reducing reliance on diesel-powered haulage fleets, mines can decrease ventilation requirements while also lowering overall energy consumption associated with material transport. For brownfield operations considering life extensions or deeper mining horizons, these savings can materially change project economics while supporting broader sustainability objectives
As easily accessible mineral deposits become scarcer across the globe, mining companies are increasingly forced to pursue reonments. Many mature operations contain substantial reonventional haulage systems is often prohibitive
Rail-based haulage systems – especially those with spatial flexibility and steep gradient capabilities – can provide a practical solution offering predictable performance and lower operating costs
Railveyor
An aerial view of a Railveyor surface installation designed to consider existing infrastructure and roads
Economies of scale without fleet expansion
As mentioned, an inherent challenge of truck-based mining systems is that production growth generally requires proportional increases in fleet size. More tonnes typically mean more trucks, more operators, and more maintenance personnel. This scaling relationship exacerbates cost pressures as the mining zone deepens and extends further from the process plant
Infrastructure-based haulage systems operate differently. Capacity can often be increased through system optimization and operational adjustments rather than continual fleet additions. This creates powerful economies of scale that become increasingly valuable as mines seek to expand production from existing assets
Perhaps one of the most compelling advantages of modern rail-based haulage technology is its ability to integrate into existing mining environments. Brownfield projects benefit from existing shafts, declines, processing facilities, power infrastructure and permitting frameworks. The challenge is to find ways of expanding production without creating major disruptions to ongoing operations
Autonomous rail systems typically require a smaller infrastructure footprint than large-scale fleet expansions. This allows mining companies to leverage their existing assets without having to invest unduly in additional surface and underground development requirements. The result is a more efficient pathway to re
About Railveyor Technologies Inc.: Railveyor is one of the world’s most innovative mining bulk material handling systems. Fully-electric and TrulyAutonomous, its narrow-gauge light rail system is propelled by low-horsepower stationary power plants adjacent to the rail route. Railveyor’s goal as an enterprise is to maximize the efficiency of mines’ haulage operations, doing this in a safe, sustainable, and scalable way using the most durable and efficient mechanical system driven by a leading software solution.
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