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Underground Mining Methods at Prgera Mine
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Citation (Style = APA)
(1991). Underground Mining Methods at Prgera Mine.
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Reference Manager (RIS)
SpreadSheed (CSV)
(1991). Underground Mining Methods at Prgera Mine.
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: The Australasian Institute of Mining and Metallurgy
Pages: 6
Publication Date:
Jan 1, 1991
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Abstract
Abstract
| The Porgera Joint Venture commenced production during September 1990. A small tonnage underground mine extracts high grade gold ore using small scale stopes. Conventional drill and blast methods are used for development and production mining. Ground support is effected with Splitset anchors, grouted rebar bolts and grouted cable bolts. Splitsets and grouted rebar can be installed by mechanised means. Vertical crater retreat, slot and massfire, and modified VCR stoping tech- niques are used at Porgera. Stopes are backfilled with a relatively strong cemented rockf ill. Future stope sequences require recovery of pillars beside and under filled stopes. |
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