Throughout the life of a mine the ore that is extracted and depleted must continually be replaced with new resources, found through exploration drilling both beside and below the known resource, to allow companies to continue their operations and remain economic . Over time as the mine ages, it is common for exploration targets to define new resources at increasingly deeper horizons as well as further away from the existing infrastructure. At the same time that the mine must expand deeper the existing infrastructure has often been maximized. A unique condition for Canadian mines is extreme cold and hot seasonal fluctuations of surface temperatures. Ventilation practices are advancing with the introduction of process control to manage ventilation systems and battery powered mobile equipment. Consider the step changing ideas that can safely and economically take mining deeper.
Concept introductory is attached under documents.
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