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Gypsum - Anhydrite Conversion as Possible Means to Control Scale and Decrease Calcium Levels in Hydrometallurgical ProcessesBy V. G. Papangelakis, G. A. Moldoveanu
The use of anhydrite (AH) seed, control of acidity levels and ageing were assessed as means to promote the conversion of freshly produced metastable gypsum generated in-situ to the less soluble anhydr
Jan 1, 2015
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Gypsum Deposits of Southwestern NewfoundlandBy D. M. Baird
ABSTRACT A revised stratigraphic section of Carboniferous rocks which occupy about 700 square miles in southwestern Newfoundland is presented. Gypsum, which outcrops at thirty-five different localiti
Jan 1, 1951
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Gypsum in Atlantic CanadaBy J. R. CAMERON
Gypsum is mined in all Atlantic Provinces except Prince Edward Island. It is generally thought to have been derived from the hydration of anhydrite in areas of minimal drainage. Late Devonian downwarp
Jan 1, 1984
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Gypsum in British ColumbiaBy Z. D. Hora
Of four main gypsum areas in the province, commercial production has only come from Falkland and the Kootenay and Columbia River valleys of southeast British Columbia. The Windermere deposit in southe
Jan 1, 1984
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Gypsum in Manitoba*By BARRY BANNATYNE
Gypsum in Manitoba is quarried from the Jurassic Amaranth Formation a1 Gypsumville and Harcus; it has been mined near Amaranth and Silver Plains. At Gypsumville, gypsum is carbonate- free but has thin
Jan 1, 1984
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Gypsum in OntarioBy George E. Cole
"It is a truism that the metals, and particularly the precious metals tend to monopolize the attention of those interested £n the mineral industry. This is a tendency to be mildly, but actively and co
Jan 1, 1925
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Gypsum Mining and Wallboard Manufacturing at BACM Industries LimitedBy I. Spector, A. J. Smith
In 1967, BACM Industries Limited started producing walboard at Saskatchewan's first gypsum products plant, located in Saskatoon, using, as a basic raw material, gyp-sum rock supplied from the company'
Jan 1, 1970
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Gyratory Crusher Wear Monitoring Using Laser TechnologyBy Persio P. Rosario
Crushing has proven to be of fundamental importance in mine mill integration at Highland Valley Copper (HVC). Highland Valley Copper has achieved large throughput and good quality control through the
May 1, 2002
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Géologie de la Mine Agnico-Eagle, Joutel (Québec)By Jean-Marc Simard, Richard Genest
"La mine Agnico-Eagle, localisée près de Joutel, a été découverte en 1962 par le forage d'anomalies électromagnétiques. Exploitée à partir de 1974, elle a déjà produit près de 30 tonnes d’or à partir
Jan 1, 1990
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Géologie de la Mine Doyon, Cadillac, QuébecBy Pierre Sauvé, Guy Perrault, Armand Savoie, Pierre Trudel
"La Mine Doyon est une entreprise détenue à parts égales par Cambior Inc. et par Minerais Lac Ltée qui en est l'opérateur. Les statistiques de production au 1"" janvier 1990 indiquent que, depuis le d
Jan 1, 1990
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Géologie de la zone minéralisée en niobium (Nb) du S-60 de la propriété Niocan, complexe de la carbonatite d'Oka.By A. Proulx
Durant les années 1955 à 1961, plusieurs campagnes d?exploration ont été menées sur la zone Bond dans la partie sud-ouest de l?anneau nord de la carbonatite d?Oka (propriété de Niocan, figure 1). Les
May 1, 2003
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Géologie Des Dépots Persévérance, Équinoxe Et P-Ouest Camp Minier De Matagami, Matagami QuébecBy Grant Arnold
Le Camp Minier de Matagami est situé dans la ceinture volcano-sédimentaire Harricana- Turgeon appartenant à la Province du Supérieur, sous-province de l?Abitibi, au Québec. Les gisements de métaux de
May 1, 2001
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Géologie des Mines de Chrysotile de la région de Thetford Mines, QuébecBy Gilles Bonin
Structures and serpentinization patterns in the Thetford Mines peridotites are important characteristics indicating the necessary geological conditions which led to the development of chrysotile orebo
Jan 1, 2001
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Géologie et géochimie de la mine Lamaque, Val d'Or, QuébecBy Paul Bedard, Réal Daigneault, Guy Perrault
"La mine Lamaque est située a Val d'Or, Québec; les roches hônes appartiennent au groupe de Malartic, partie supérieure, et sont des andésites et des pyroclastites. On y retrouve deux formes d&ap
Jan 1, 1983
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Géologie et Minéralisations En Zn-Cu-Ag-Au Des Mines SelbaieBy Jean-Jacques Bouillon, Michel Jébrak, Stephane Faure
"Le gisement polymétallique (Cu-Zn-Au-Ag) des Mines Selbaie est forme par un réseau de filons encaisses dans une séquence de pyroclastites felsiques du sill on Harricana-Turgeon. Les minéralisations s
Jan 1, 1990
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Gîtes de wollastonite, province tectonique de Grenville, QuebecBy G. J. Simandl, H. -L. Jacob, S. Paradis, G. Valiquette
"Nos travaux de terrain dans le Grenville, effectués dans le cadre d'un projet d'inventaire des gîtes de wollastonite, ont démontré qu'il existe un secteur exceptionnellement favorable
Jan 1, 1990
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h) Automatic Mineralogy for Mineral Processing:By W. Petruk
"D. Doyle How large is the beam to which you referred? Are we considering Watts, Griffis the probe of a 1 micron sized particle?& McOuatReply Yes. The beam would be about 1 micron. We could enlarge or
Jan 1, 1984
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H.D.P.E. Piping in the Mining IndustryBy J. R. Eastwood
"H.D.P.E. Piping in the Mining IndustryThere has been much use· ms.de of high density polyethylene pipe in the mining industry over the past several years. This is not only in new installations but al
Jan 1, 1975
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Hadean Uranium Activity 3rd International Conference on Uranium (Uranium 2010), 40th Annual Hydrometallurgy MeetingBy Therese Schneck
The presence of xenon isotopes from in-situ spontaneous fission of short-lived Pu244 has been confirmed in Hadean detrital zircons from Western Australia. Hadean and meteoritic zircons can retain seco
Aug 1, 2010
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Haile Gold Mine Metallurgy and Flowsheet ReviewBy P. Tittes, M. Deal, M. Spicher, S. McDaniel, J. Wickens
"Haile Gold Mine is located near Kershaw, South Carolina, approximately 50 miles south of Charlotte, North Carolina. Gold was first discovered at the site in 1827, and the property has been through se
Jan 1, 2013