Tailings

Author(s): 
Pepe Moreno and Nicholas Thompson
Category: 
Mine Waste

With the mining industry transitioning through a well-publicised downturn as a result of lower commodity prices and unstable macro-economic conditions around the world, mine owners have sharpened their focus on increasing operational productivity and minimising unnecessary capital expenditure. Read more... about Tailings central thickened discharge; challenges faced and lessons learned from design to operation

Author(s): 
Holly Rourke, Caroline Holmes
Category: 
Mine Waste
 
It is widely recognised that piezocone (CPTu) testing is a valuable technique for identifying the in situ engineering properties of tailings for use in stability and liquefaction assessments. Numerous empirical
procedures have been developed to relate the results
Author(s): 
Dave Luppnow
Category: 
Mine Waste
 
Uranium tailings are differentiated from other types of tailings due to the radioactive nature of the material. Radioactive tailings facilities pose long term hazards relating to both exposure and dam failure, with the principal concern being the potential harm to both
Author(s): 
Maritz Rykaart, Megan Millar, John Kurylo, Lowell Wade
Category: 
Environmental/Social
Author(s): 
Maritz Rykaart, Daryl Hockley, Michael Noel and Michael Paul
Category: 
Geotechnical

This paper presents the selected results of an international review of soil cover design and construction practices and performance. The review, completed in 2003, initially included 177 case studies in 14 countries. Read more... about Findings of International Review of Soil Cover Design and Construction Practices for Mine Waste Closure

Author(s): 
Holly Rourke and Dave Luppnow
Category: 
Mine Waste

Recent disasters such as the failure of the Mount Polley tailings embankment remind us of the risks that tailings facilities pose. It is widely recognised that dam-break assessments are a vital tool in identifying the consequences of the failure of a facility, which in turn can be used to develop emergency action plans. Read more... about The Risks of Excess Water on Tailings Facilities and Its Application to Dam-break Studies

Author(s): 
Cameron Hore and Dave Luppnow
Category: 
Mine Waste

This paper presents the design of a unique in-pit tailings storage solution for the Langer Heinrich mine in Namibia owned by Paladin Energy Ltd. Read more... about In-pit Tailings Disposal at Langer Heinrich – Tailings Storage Facilities in a Unique Hydrogeological Setting

Author(s): 
C Hore and D Luppnow
Category: 
Mine Waste

Globally, mine operators are becoming increasingly aware of water availability costs and constraints. This is leading to a trend of de-watering tailings disposal particularly where fresh water is required for processing. Read more... about Karara Iron Ore TSF – design considerations for a unique large scale dry stack facility

Author(s): 
J J Moreno, N L Thompson, C J Hore
Category: 
Mine Waste

Depositing thickened tailings over a conventional tailings deposit leads to a raft of considerations and risks relating to the interaction of the two tailings layers, and these must be identified and evaluated. Read more... about Selection criteria for two alternative thickened slurries to be deposited over conventional tailings: storage capacity and liquefaction

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