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"headline": "Mining’s second act: Landforms with a self\u002Dsustaining future", "subhead": "September 16, 2026",
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"text": "Walter Weinig discusses designing mine closure landforms for a stable, beneficial future in Engineers Australia’s create magazine"
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Australia’s resources sector is racing to replace high-risk brownfields with self-sustaining landforms engineered for the future.
For decades, mine closure was often treated as an afterthought. Fill the hole, cap the waste, plant some vegetation, and move on. The problem is that natural systems are dynamic: slopes erode, drainage lines migrate, vegetation communities change, and water reshapes land over time.
But with almost 240 Australian mines projected to close by 2040, demand is growing for innovative and cost-effective mine remediation methods that mitigate environmental, social and economic risks.
In Australia, the shift is visible in both practice and regulation. For example, Queensland now requires operators to submit final landform designs linked to proposed post-mining land use, supported by modelling of long-term stability.
Walter Weinig talked with Engineers Australia’s create magazine about planning mine closure from the outset and using natural landforms.
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"mappedPromoText": "A principal and professional hydrogeologist, Walter has spent over three decades working on a variety of historical mining properties. He guides projects in all phases, from feasibility to remediation.",
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