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Mine Closure Regulations in Chile
Marcela Curotto

Assessing mine closure in Chile is a process that began partially in 1994 with the Law 19.300, Law of Environmental Bases, which requires an environmental assessment of the closure phase of all projects, establishing conceptual measures focused on prevention, mitigation and/or compensation of the environmental impacts produced in the closure phase.

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Acid Mine Drainage Treatment Process Optimization for Manganese Content Reduction by Sequential Neutralization
Nereyda Loza, Osvaldo Aduvire

Many times the quality of a treated effluent from a mining operation does not comply with the required legislation as in the case of Peru, where Maximum Permissible Limits for mining operations are not met due to the content of metals such as manganese, which usually requires specific conditions for removal.

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Deformation Analysis of an AFRD for Mine Tailings Storage and Power Generation
Danny Kentwell, Dave Finn

Experience has shown that the E-Type multiple indicator kriging (MIK) estimation technique often works well for resource estimation in stockwork mineralization that contains a mixture of high and low-grade mineralization types that are difficult or impossible to separate spatially.

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SWCC Experimental Results of Copper Tailings and Spent Ore
José Riquelme, Cristian Godoy

Modelling flow into mining geotechnical structures, such as heap leach, spent ore dumps or a tailings storage facility, should consider the fact that constitutive materials may be found in an unsaturated regime.

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