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Waste generation by economic activities and households
The European Union has multiple legal instruments to regulate waste including mining waste, promoting safety and sustainability. In addition to general industrial regulation, specific…
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Regulating for risk – implementing positive change
The DuPont Bradley curve adapted to illustrate proactive regulation to improve safety in mine waste management.
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A conceptual model for calculating the net present value of mine closure
Regulations governing mining operations are specific to national and jurisdictional regulations and local circumstances. While their variation precludes an extensive review in this report,…
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Capturing and generating value from mine tailings
Within the mining and metals industry there is a growing interest in finding value in mine tailings and developing new and innovative ways to…
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Estimated amount of metals released into the environment
Estimated volume of heavy metals released into the environment by the Los Frailes tailings dam failure.
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Aznalcóllar mine storage facility failure
The tailings dam at the Los Frailes gold-copper-lead-zinc mine, located at Aznalcóllar near Seville, failed in April 1998. It released approximately 5.5 million cubic…
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The location of the Baia Mare and Borsa tailings disasters in Romania and the affected rivers
In February 2000, an upstream tailings dams at the Baia Mare gold mine in Maramures County, Romania failed. The failure is thought to have…
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Impacts of tailings dam failures on biodiversity and associated ecosystem services
A summary of potential impacts of tailings dam failures on biodiversity and associated ecosystem services. The impacts of tailings dam failures on biodiversity can…
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Growth in the volume of stored oil-sand tailings
The Alberta Energy Regulator (AER) estimates that mine clean-up costs in the province have increased with the growth of oil-sand mining and in 2016,…
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Marine discharges of mine tailings
In some areas where tailings dam construction is difficult (e.g. mountainous areas), mining companies have been allowed to dispose of tailings in river systems.…
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Considerations for long-term storage
Successfully managing mine tailings is a significant part of any large-scale mining operation. The methods employed for long-term storage should be based on a…
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Cross section of Tapian Pit
In 1996, Marcopper Mining Corporation, 39.9 per cent owned by Canadian Placer Dome, began mining the Mount Tapian coppergold deposit on the island of…