Pedogeochemical prospecting in a lacustrine clay environment

Cette publication n'est pas offerte dans votre langue; certains de ses renseignements ont été préremplis pour la version française.
Mots clés : Exploration;Exploration geochemistry;Humus;Glaciolacustrine sediments;Till
Accés complet à Document technique
Version PDF pour 20,00 $
Recherche
Trier par :  Pertinence
Affichage des résultats 1 - 4
Texte
Publication: CIM Bulletin
Auteur(s): D.V. KREFTING, D.R. BENNETT
Mots clés: Mining, Far North, Transport systems, Off-highway trucks, Highway trucks, Railways, Overland conveyors, Loading, Crushing
Numéro: 862
Volume: 77
Année: 1984
Texte
Sommaire: An experimental program has been carried out by the Australian Atomic Energy Commission to compare the effectiveness of Caro's acid as an alternative oxidant to pyrolusite in the leaching of uranium ores from the Alligator Rivers region of northern Australia. Batch leaching tests on Ranger, Nabarlek, Koon-garra and Jabiluka ores showed that uranium extraction was unaffected by choice of oxidant, but that Caro's acid reduced acid requirements by 15 - 25%. Lime requirements for neutralization...
Publication: CIM Bulletin
Auteur(s): R.J. RING, M. YAMINE, D.J. WATERS
Mots clés: Uranium extraction, Caro's acid, Leaching, Oxidants, Pyrolusite, Hydrogen peroxide, Alligator Rivers ores
Numéro: 862
Volume: 77
Année: 1984
Texte
Sommaire: Operating heavy equipment in Labrador, where the winters are 8 months long and the temperature frequently drops below -40°F (-40°C) for days and sometimes weeks presents unique problems in both the operation and maintenance functions.
Winterization programs must be well designed and implemented at the proper time. These programs must include the proper selection of fuel oil, engine oil, hydraulic oils, greases, cooling system fluids, etc. More often than not, modifications have to be...
Publication: CIM Bulletin
Auteur(s): P. ALPORT, R.E.G. CAINES
Mots clés: Mining, Far north, Equipment, Open-pit mining, Drilling, Blasting, Dewatering, Shovels, Hauling, Transporting, Iron Ore Company of Canada
Numéro: 862
Volume: 77
Année: 1984
Texte
Sommaire: The Polaris mining operation (Fig. 1) is located on Little Corn-wa/lis Island in the Canadian Arctic, an area with a very limited shipping season and a hostile climate. The operation consists of the underground works, barge-mounted concentrator facilities, concentrate storage and shipping facilities, a personnel accommodation complex and an airstrip.
The electrical energy for the operation is provided by four 2.3 MW diesel-generators installed on the barge. The power is distributed through a...
Publication: CIM Bulletin
Auteur(s): A. NIELSEN
Mots clés: Mining, High Arctic, Polaris mining project, Energy systems, Diesel generators, Air systems, Engine cooling systems, Exhausts, Heat utilization
Numéro: 862
Volume: 77
Année: 1984
Activé par Coveo Enterprise Search