Introduction
Longhole open stoping (LHO) is a widely used mining method known for it’s efficiency and effectiveness in large-scale extraction of ore bodies. This design incorporates strategic drilling and blasting techniques to create expansive underground voids, allowing for optimal ore recovery while minimizing dilution and ore loss. As an integral component of modern mining operations, LHO necessitates precise planning and execution to ensure safe and productive excavation. This article explores the principles of longhole open stoping, the methodologies employed in drill and blast operations, and the factors influencing its design, thereby providing a complete overview of this critical mining technique.
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