Review of 2010 financial security at Equity Silver Mine

Authors: Price, WA; Aziz, M; Bellefontaine, K

DOI https://doi.org/10.36487/ACG_rep/1152_75_Price

Cite As:
Price, WA, Aziz, M & Bellefontaine, K 2011, 'Review of 2010 financial security at Equity Silver Mine', in AB Fourie, M Tibbett & A Beersing (eds), Mine Closure 2011: Proceedings of the Sixth International Conference on Mine Closure, Australian Centre for Geomechanics, Perth, pp. 79-86, https://doi.org/10.36487/ACG_rep/1152_75_Price

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Abstract:
The Equity Silver Mine operated between 1980 and 1994, producing silver, gold, and copper from three open pits and a small underground operation. Future liability is important at the site due to the environmental risk and high cost of treating acid rock drainage (ARD) produced by waste rock. As a condition of the Mines Act permit, British Columbia requires the provision of financial security. Security reviews have been held every five years since 1991. This paper outlines conclusions of the 2010 review and trends in costs over time.

References:
Aziz, M. (2010) Presentation to EMFSTAG for 2010 Bond Review, October 2010 meeting.
Aziz, M. and MacLeod, S. (2010) Goldcorp Canada Ltd., Equity Division Environmental Report 2009.
EMFSTAG (2006) Equity Mine Financial Security Technical Advisory Group, Summary of the 2005 Review of the Financial Security Review at the Equity Silver Mine, 6 March 2006, 61 p.
Morin, K.A. and Hutt, N.M. (2010) Equity Silver Mine – ARD-Related Trends through 2009, Including Drainage Chemistry, Pore Gases, and Internal Temperatures.
Price, W.A. (2007) Mitigation Challenges at the Equity Silver Mine, Northern Latitudes Mining Reclamation Workshop, Juneau.
Price, W.A. (2011) Review and Recommendations by the Equity Silver Mine Financial Security Technical Advisory Group, 73 p.
Price, W.A., Ferris, G. and Bellefontaine, K. (2006) Working Document of Potential Failure Modes, Preventative Measures and Potential Additional Requirements at the Equity Silver Mine, 77 p.




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