Conference Proceedings
MASSMIN 2000
Conference Proceedings
MASSMIN 2000
Sublevel Cave Drop Down Strategy at Perseverance Mine, Leinster Nickel Operations
WMC has mined the Perseverance disseminated orebody exclusively by SLC (sublevel cave) methods. Deteriorating ground conditions in the vicinity of an orebody inflection forced a re-evaluation of future mining at Perseverance and a strategy to drop down below the inflection zone and recommence the cave was implemented. This strategy has led to increased production at higher grades, resulting in lower costs and better mill recoveries. This paper describes the evolution of mine planning, development, support and production strategies through the successful process of implementing the drop-down' and re-establishing the SLC.
Contributor(s):
P L Wood, P A Jenkins, I W O Jones
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- Published: 2000
- PDF Size: 1.1 Mb.
- Unique ID: P200007054