EY: Aging mineral deposits make extraction increasingly difficult

{ "articleTitle": "EY Report: Aging Mineral Deposits Threaten Critical Supplies", "articleDescription": "A survey of 400 mining executives by EY identifies operational complexity as the industry's top risk for 2027, driven by declining ore grades and rising costs that challenge critical mineral production.", "articleBody": "

Operational Complexity Tops Mining Risks for 2027

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Operational complexity is ranked as the mining industry’s biggest risk for 2027, according to a new report from EY based on a survey of 400 senior mining and metals executives worldwide. The finding places operational challenges ahead of other significant threats facing the sector.

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Critical minerals are becoming harder to extract as aging deposits, declining ore grades, and increasingly complex operations threaten the industry’s ability to maintain production levels, the report stated. Paul Mitchell, EY’s global mining and metals leader, noted that the degree of operational complexity is increasing as mines age, reserves deplete, and new deposits become more difficult to mine and process.

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Regulatory compliance delays were identified as the leading contributor to this operational complexity. Variability in reserve grades followed as a major factor, cited by 29% of respondents. Labour availability, material handling, processing capacity, transport, and equipment reliability each affected between 24% and 26% of executives surveyed regarding operational complexity.

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As mines mature, operators face lower flexibility to adjust production schedules, blend ore, or redirect material. This reduced flexibility makes it harder for companies to absorb disruptions, potentially increasing costs while limiting output.

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Capital Availability and Supply Chain Pressures

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Capital availability is the second-ranked risk for the industry. Investors are becoming increasingly selective as commodity prices diverge, forcing companies to seek alternative funding sources. Forty-four percent of companies are pursuing capital from original equipment manufacturers, while 39% are looking to sovereign wealth funds and another 39% to government investment.

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Supply chain disruptions rank third among the risks facing miners, affecting the delivery of mining inputs and access to markets. In response, 53% of miners are investing in technology for supply chain visibility, and 52% are increasing inventories or stockpiles to mitigate these interruptions.

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Rising costs remain a persistent obstacle for the sector. Stronger commodity prices have not fully offset more expensive inputs and the demands of operating complicated mines, according to the report.

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Government Incentives and Strategic Priorities

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Public financing commitments for critical minerals more than quadrupled between 2023 and 2025 to approximately $65 billion, according to EY. The survey found that 28% of mining executives expect direct government investment over the next 12 months.

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Mitchell stated that governments increasingly view secure mineral supply as a strategic priority and are introducing incentives