Conference Proceedings
Eighth Underground Operators' Conference 2002
Conference Proceedings
Eighth Underground Operators' Conference 2002
Swedish Slot Raise Drilling Method at the Louvicourt Mine
The Louvicourt Mine is located 600 km north of Montreal in the province of Quebec, Canada. The owners are Aur Resources Inc (30 per cent), mine operator, Novicourt Inc (45 per cent) and Teck Corporation (25 per cent). It is an underground mechanised operation with a total work of 290 employees._x000D_
Since 1994, the mine production is 11 120 456 tonnes at 3.60 per cent Cu, 1.51 per cent Zn, 26.07 g/mt Ag and 0.96 g/mt Au. At a rate of 4300 tonnes per day 365 days per year. Louvicourt Mine is a copper operation since 80 per cent of our revenue is from copper._x000D_
The mining method is transverse blasthole stoping, mining primary and secondary stopes. The stope dimension is 15 m wide by 30 m high and 10 m to 80 m long for primary stopes. The secondary stopes are limited at 25 m long. Close to 100 000 metres of production drilling per year is required for 115 mm and 165 mm diameter holes. Backfilling is done with pastefill from the start of the operation in 1994. The binder ratio is 4.5 per cent in primary and two per cent in secondary stopes (80 per cent slag and 20 per cent cement)._x000D_
Development requirement to maintain production was 5000 m from 1996, 1997, 1998, 4200 in year 1999, 3200 m in year 2000 and an average of 2500 m in 2001 and 2002. Typical 6.0 m_x000D_
4.3 m, 4.9 m_x000D_
4.6 m and 4.5 m_x000D_
4.6 m headings. In addition more than 1500 metres of development will be excavated in/under paste backfill before 2004._x000D_
A total of 60 mobile units are required among which for lateral development (three two boom electric hydraulic jumbos - AC Boomer 322, four electric hydraulic roofbolters - Maclean MEM-928 and AC Boltec PL350 and two anfo loader truck - Dux) and for production (four ITH drills - MTI, one electric hydraulic longhole drill - AC Simba H1357, eight LHD - AC-Wagner ST8-B, 1 LHD ST-1000 and two haulage 30 tons trucks - Dux._x000D_
The 1 January 2002 reserves are 4.1 M tonnes grading 3.1 per cent Cu and 1.9 per cent Zn at an NSR (Net Smelter Revenue) of $US 53. The operating mining costs were at an average of $US 23 from 1996 to year 2000 and $US 25 in 2001. The operating costs ranged from a low of $US 0.41 per pound of copper in 1999 to a high of $US 0.49 per pound of copper in 1998.
Since 1994, the mine production is 11 120 456 tonnes at 3.60 per cent Cu, 1.51 per cent Zn, 26.07 g/mt Ag and 0.96 g/mt Au. At a rate of 4300 tonnes per day 365 days per year. Louvicourt Mine is a copper operation since 80 per cent of our revenue is from copper._x000D_
The mining method is transverse blasthole stoping, mining primary and secondary stopes. The stope dimension is 15 m wide by 30 m high and 10 m to 80 m long for primary stopes. The secondary stopes are limited at 25 m long. Close to 100 000 metres of production drilling per year is required for 115 mm and 165 mm diameter holes. Backfilling is done with pastefill from the start of the operation in 1994. The binder ratio is 4.5 per cent in primary and two per cent in secondary stopes (80 per cent slag and 20 per cent cement)._x000D_
Development requirement to maintain production was 5000 m from 1996, 1997, 1998, 4200 in year 1999, 3200 m in year 2000 and an average of 2500 m in 2001 and 2002. Typical 6.0 m_x000D_
4.3 m, 4.9 m_x000D_
4.6 m and 4.5 m_x000D_
4.6 m headings. In addition more than 1500 metres of development will be excavated in/under paste backfill before 2004._x000D_
A total of 60 mobile units are required among which for lateral development (three two boom electric hydraulic jumbos - AC Boomer 322, four electric hydraulic roofbolters - Maclean MEM-928 and AC Boltec PL350 and two anfo loader truck - Dux) and for production (four ITH drills - MTI, one electric hydraulic longhole drill - AC Simba H1357, eight LHD - AC-Wagner ST8-B, 1 LHD ST-1000 and two haulage 30 tons trucks - Dux._x000D_
The 1 January 2002 reserves are 4.1 M tonnes grading 3.1 per cent Cu and 1.9 per cent Zn at an NSR (Net Smelter Revenue) of $US 53. The operating mining costs were at an average of $US 23 from 1996 to year 2000 and $US 25 in 2001. The operating costs ranged from a low of $US 0.41 per pound of copper in 1999 to a high of $US 0.49 per pound of copper in 1998.
Contributor(s):
D Fleury
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- Published: 2002
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- Unique ID: P200205004