Report, Volumen17The Bureau., 1908 |
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Algoma Atikokan bands belt Bessemer biotite Biotite gneiss Biotite granite blast furnace boilers bucket Canadian cars cent chains chlorite claims Cobalt Cobalt Mining Company Cobalt Silver Mining coke concentrates consists Copper cross-cut crude crusher crystals deposits diabase dike diorite district drift drill east electric feet feldspar gneiss gneiss Biotite Gold Mines granite granite gneiss green schist greenstone Gröndal Haileybury hand specimen hematite hills hoist hole hornblende Huronian inches Iron formation Iron range Keewatin lake Nipigon Lake Superior Larder Lake Laurentian limestone Limited Toronto magnetic magnetite mica miles mill minerals Montreal river Moose Mountain nickel Ontario operation orthoclase Ottawa outcrop pegmatite pig iron plagioclase plant portage production prospectors pyrite quartz railway region Report rock samples schist shaft shipped shore shows side Silver Mining Company smelted steel stope strike Sturgeon river Sudbury surface tons Toronto Toronto Toronto township vein
Pasajes populares
Página 124 - The exact strike and dip could not be obtained on account of the vegetation covering the rock, but the general direction is northeast and southwest. The surface is considerably weathered to a rusty brown, but the less weathered portions are dark greenish brown, and show distinct diabasic texture with its characteristic network of lath-like plagioclase enclosing the dark minerals. Under the microscope the rock is seen to be made up of labradorite, augite, biotite and magnetite. The labradorite is...
Página 194 - Victoria (1897), providing as follows : $3.00 per ton on pig iron manufactured, on the proportion from Canadian ore. $2.00 per ton on pig iron manufactured, on the proportion from foreign ore. $3.00 per ton on steel ingots manufactured from ingredients of which not less than 50 per cent, of the weight thereof consists of pig iron made in Canada. $3.00 per ton on puddled bars made from pig iron manufactured in Canada. The period for payment of the bounty extended to April 1902, but Chapter 8 of 62-63...
Página 64 - Laurentian mine. A shaft has been sunk to a depth of 60 feet on the vein, which carries considerable iron pyrites. It has a strike north and south cutting the greenstone. A 25-hp boiler and hoist have been installed and new camp buildings constructed on the shore of Mud lake. Mr. Bliss is president of the company, and is in charge of operations. Victory Mine...
Página 55 - On Monday, June 3rd, we opened a class at Haileybury in the Mining Commissioner's room and kept it open till June 8th inclusive. The average attendance there was only thirteen, and the estimated total thirty-five. New Liskeard Englehart In response to an earnest request from Mr. Williams Hugh, Crown Lands Agent at Englehart, we decided to open a class there on June 17th, instead of holding one at Tomstown as first suggested. Mr. Hugh made arrangements which enabled us to use the schoolhouse, and,...
Página 336 - Although this has been realized by the pioneers in the electric smelting of iron ores, certain difficulties in the operation have led them to smelt the ore for the production of pig-iron instead of for the production of steel, although the difference in price of these materials would be sufficient to pay for all the electrical energy needed for the direct production of steel from iron ore, and it is surprising that this more attractive proposition has not gained more attention from metallurgists....
Página 61 - ... damage. Another safeguard is to keep the muckers from using the pick too strenuously. It is as effective when mucking in drifts to use the pick for pulling the muck down, as to sink it up to the eye. to the great danger of the workman. The latter practice is simply energy uselessly expended. Another source of accident is the introduction of an explosive with which the men are not familiar. This is especially true in the cold weather when the explosive has to be thawed.
Página 62 - ... in practically all the mines. Such accidents are nearly all due to negligence on the part of the superintendent in enforcing this rule. Some superintendents try to excuse themselves by saying it is impossible to prevent men riding on the bucket. Such excuses are fallacies and only an attempt to shirk responsibility. In a large number of mines in the Province such practices as riding on the bucket or skip are unknown. The necessity of guarding shaft entrances at all levels of the mine cannot be...
Página 61 - ... its freezing point, gelignite is most dangerous, as is also dynamite. Superintendents should see that all explosives are in the thawing house exposed from 4 to 6 hours to a temperature of 85 to 90 degrees F. If warm water is used, the temperature of the water should not be above 125 degrees F. Care should also be taken that the explosive should not be removed from the thawing house in cold weather until the miner is ready to load his holes.
Página 27 - At present sulphuric, hydrochloric, nitric and mixed acids are made by the contact process and shipped in the company's tank cars to various parts of Ontario and Quebec. Electric power supplied by the Seymour Power and Electric Co. is used throughout the mine and acid works. The Canada Mine, No.
Página 241 - The combustion chamber is situated about one-third of the length from the intake end. The air needed for combustion is introduced below, traversing the row of cars, thus helping to keep the wheels and framework cool, and at the end of the furnace, is diverted to the top of the row of cars, traversing the burnt briquettes, cooling them, and becoming itself heated before reaching the combustion chamber. The products of combustion pass over the entering cars, assist in drying and heating the briquettes,...