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British Columbia Mine Reclamation Symposium
Summary of the 2005 financial security review at the Equity Silver Mine Price, William A.; Bellefontaine, K; Ferris, G
Abstract
The Equity Silver Mine located 35 km southeast of Houston operated between 1980 and 1994, producing silver, gold, and copper from three open pits and a small underground operation. Current and future liability are important at the Equity Silver mine site due to the long term drainage collection and treatment of the high strength acid rock drainage (ARD) produced by waste rock. Additional environmental concerns include the performance of the engineered soil covers and the long term water quality in the tailings impoundment, the backfilled Southern Tail Pit and the Main Zone Pit. As a condition of the Mines Act permit, British Columbia requires the provision of a financial security (funds) that is sufficient to provide interest payments equal to the predicted future annual operating, monitoring and maintenance costs. A review of the financial security at the Equity Silver Mine has been held every five years since 1991. This paper outlines the conclusions of the 2005 Equity Mine Financial Security Technical Advisory Group (EMFSTAG)
Item Metadata
Title |
Summary of the 2005 financial security review at the Equity Silver Mine
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Creator | |
Contributor | |
Date Issued |
2006
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Description |
The Equity Silver Mine located 35 km southeast of Houston operated between 1980 and 1994, producing
silver, gold, and copper from three open pits and a small underground operation. Current and future
liability are important at the Equity Silver mine site due to the long term drainage collection and treatment
of the high strength acid rock drainage (ARD) produced by waste rock. Additional environmental
concerns include the performance of the engineered soil covers and the long term water quality in the
tailings impoundment, the backfilled Southern Tail Pit and the Main Zone Pit. As a condition of the
Mines Act permit, British Columbia requires the provision of a financial security (funds) that is sufficient
to provide interest payments equal to the predicted future annual operating, monitoring and maintenance
costs. A review of the financial security at the Equity Silver Mine has been held every five years since
1991. This paper outlines the conclusions of the 2005 Equity Mine Financial Security Technical Advisory Group (EMFSTAG)
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Extent |
67288 bytes
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Genre | |
Type | |
File Format |
application/pdf
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Language |
eng
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Date Available |
2009-05-27
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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DOI |
10.14288/1.0042506
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Other
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Copyright Holder |
British Columbia Technical and Research Committee on Reclamation
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Rights URI | |
Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International