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Conference Proceedings

Twelfth International Symposium on Mine Planning and Equipment Selection (MPES 2003)

Conference Proceedings

Twelfth International Symposium on Mine Planning and Equipment Selection (MPES 2003)

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Introduction of a Multi-Lift Benching Method to the Narrow Orebodies at the Isa Lead Mine, Mount Isa Mines Limited, Mount Isa, Queensland, Australia

This paper describes a multi-lift bench stoping method introduced recently to extract the narrow silver-lead-zinc orebodies at the Isa Lead Mine. Cut-and-fill methods were chief mining methods for the narrow orebodies at the mine over 35 years ago. Benching methods were introduced approximately two decades later, and quickly replacing the cut-and-fill methods. The benching methods had improved both the economy scale and safety of the mining operation. The multi-lift benching method combines a number of bench lifts into a single stope to further improve the operational efficiency. Three stopes in the initial multi-lift benching trials are described.
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  • Introduction of a Multi-Lift Benching Method to the Narrow Orebodies at the Isa Lead Mine, Mount Isa Mines Limited, Mount Isa, Queensland, Australia
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  • Introduction of a Multi-Lift Benching Method to the Narrow Orebodies at the Isa Lead Mine, Mount Isa Mines Limited, Mount Isa, Queensland, Australia
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  • Published: 2003
  • PDF Size: 0.452 Mb.
  • Unique ID: P200301016

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