Northair Mines Limited, Brandywine Falls, B.C. : notes from a review of aquatic environmental information, site inspection and water quality audits conducted June 20, 1978 and March 4, 1981 / by R.L. Hallam. : En40-1033/1981E-PDF
"Northair Mines Ltd. a small 300 ton/day copper, gold, silver, lead and zinc mine located approximately 56 km due north of Squamish, B.C. opened in 1976 and is expected to close in late 1981 for the lack of economically recoverable ore. Two flotation concentrates (Cu-Pb & Zn) are produced and silver-gold are recovered by mercury amalgamation and refined to dore bars on site. Cyanide is used to differentially separate the two flotation concentrates"--Summary and recommendations, page 28.
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publications.gc.ca/pub?id=9.911506&sl=1
| Ministère/Organisme | Canada. Environmental Protection Service, issuing body. |
|---|---|
| Titre | Northair Mines Limited, Brandywine Falls, B.C. : notes from a review of aquatic environmental information, site inspection and water quality audits conducted June 20, 1978 and March 4, 1981 / by R.L. Hallam. |
| Type de publication | Monographie |
| Langue | [Anglais] |
| Format | Électronique |
| Document électronique | |
| Note(s) | Cover title. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 38-40). |
| Information sur la publication | West Vancouver, B.C. : Department of Environment, Environmental Protection Service, April, 1981. |
| Auteur / Contributeur | Hallam, R. L., author. |
| Description | 1 online resource (iv, 66 pages) : maps, plates |
| Numéro de catalogue |
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| Descripteurs | Mines and mineral resources -- Environmental aspects -- British Columbia. Mine water -- Quality -- British Columbia. Ressources minérales -- Aspect de l'environnement -- Colombie-Britannique. Eau de mine -- Qualité -- Colombie-Britannique. |
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