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| Risques / Pays : Tres bas |
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 | Hecla Mining Company
Owner: 100% |
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| Titre | Profil de la Compagnie | Tous les projets | Site web de la compagnie | Page projet de la compagnie |
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| HMC held a 29.7% interest in the Greens Creek unit through a joint venture arrangement with Kennecott Greens Creek Mining Company and Kennecott Juneau Mining Company, and this up to 2014. On Feb 12, 2007, Hecla bought the remaining interest from Rio Plus... |
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Located on Admiralty Island, near Juneau, Alaska, the Greens Creek Mine
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In 1997, the operation produced approximately 9 million ounces of silver, 46,000 ounces of gold, 34,000 tons of zinc and 15,000 tons of lead in concentrate and doré bars.
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The Greens Creek deposit is a polymetallic, stratiform, massive sulfide deposit. The host rock consists of predominantly marine sedimentary, and mafic to ultramafic volcanic and plutonic rocks, which have been subjected to multiple periods of deforma Plus...
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