Results 211 to 220 of about 6,946 (259)
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Detroit salt mine closure design
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1997Abstract This paper describes the design for the closure of the Detroit Salt Mine. The closure includes concrete plugs in two mine shafts to prevent long-term leakage into the mine and subsequent solutioning of the salt. The paper addresses the selection of plug locations, plug geometry, concrete mix design, cooling of the concrete and grouting of ...
N.A.J. Bond, Uddin P.E.
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2009
The BC Ministry of Sustainable Resource Management (BCMSRM), is undertaking a program of environmental remediation at the Britannia Mine site, located 45km north of Vancouver, BC. The Britannia Mine operated for around 70 years and produced mainly copper and zinc concentrates.
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The BC Ministry of Sustainable Resource Management (BCMSRM), is undertaking a program of environmental remediation at the Britannia Mine site, located 45km north of Vancouver, BC. The Britannia Mine operated for around 70 years and produced mainly copper and zinc concentrates.
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2017
Illegal miners pan for gold in the tailings discharged by mines for the small amounts of gold that were not captured by processing. Artisanal mining can produce high incomes but causes human and environmental damage using mercury and other chemicals in the extraction of gold.
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Illegal miners pan for gold in the tailings discharged by mines for the small amounts of gold that were not captured by processing. Artisanal mining can produce high incomes but causes human and environmental damage using mercury and other chemicals in the extraction of gold.
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2008
The Mine Closure Handbook has been compiled within the Tekes -financed project Environmental techniques for the Extractive Industries and it has been directed to mining companies, authorities and consultants. The planning and implementation of mine closure are constrained by legislative requirements that define criteria and objectives for closure, as ...
Mroueh, Ulla-Maija +18 more
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The Mine Closure Handbook has been compiled within the Tekes -financed project Environmental techniques for the Extractive Industries and it has been directed to mining companies, authorities and consultants. The planning and implementation of mine closure are constrained by legislative requirements that define criteria and objectives for closure, as ...
Mroueh, Ulla-Maija +18 more
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Closure of Underground Mine of Lincang Uranium Mine
2008Linchang Uranium Mine is a small mine/mill complex and left 17 adits inclined shaft (V 1850) and 4 open raises after closure. Among them, 5 adits and the inclined shaft overflowed water, containing radioactive and non-radioactive constituents, such as, U, 226Ra, Cd, Cr6+, As, Pb, Cu, Mn, SO42- and F-.
Lechang Xu +4 more
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Opportunities to incorporate mine closure into mine planning
2016Most early mine operations did not include closure planning. When closing an abandoned mine, operators are faced with all of the problems that have been left, for example, old equipment and structures, contamination, unstable landforms and a lack of soil to reclaim the disturbed areas.
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Mine Closure 2022: 15th Conference on Mine Closure
Proceedings of the International Conference on Mine Closure, 2022openaire +1 more source