Remote monitoring of underground excavations by means of deformation measurements (CIUS)
The Niobec mine is located in St-Honore 15 km north-east of Chicoutimi (Quebec, Canada) and produces Niobium at a rate of 815,000 metric tones annually. Exploitation is done using the Long Hole method with sill and crown pillars at the levels 300-600 (90-180m) and 700-1000 (200-300m). For economic r...
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| Language: | English |
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Université de Sherbrooke
1996
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| Online Access: | http://savoirs.usherbrooke.ca/handle/11143/985 |