Conference Proceedings
MINEFILL '98 - The Sixth International Symposium on Mining with Backfill, Brisbane, Qld, April
Conference Proceedings
MINEFILL '98 - The Sixth International Symposium on Mining with Backfill, Brisbane, Qld, April
Maximising Recovery at Silver Swan Nickel Mine Using Cement Stabilisation
The Silver Swan nickel mine is located at the Black Swan Nickel Project, 53 kin north east of Kalgoorlie, Western Australia. The Silver Swan orebody is a massive sulphide nickel deposit dipping 70 east with an average in situ grade of 14 per cent. Mining of the massive orebody is by Mechanised Ramp Cut and Fill (MRCF). A mining recovery of 98 per cent and minimising dilution are primary goals in extracting the high-grade ore. Placing a distinguishable marker bed (working platform) on rock fill was identified as a key method to achieving these goals. Gravel from a pit located onsite was considered the most suitable material for the marker beds. Research undertaken to design the marker beds using the gravel revealed conventional methods used in mining would not suffice, but that road stabilisation methods could be a viable alternative. Trials used a road recycler to mix cement and gravel in situ and several test beds were constructed on the surface to determine the final design. The trials attempted to replicate a marker bed's life cycle of construction and placement and mucking of ore from the marker bed.
Contributor(s):
T J McGurk, P R Lock
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- Published: 1998
- PDF Size: 0.156 Mb.
- Unique ID: P199801029