Identifier: canminingjjuldec1915donm (find matches)
Title: Canadian mining journal July-December 1915
Year: 1915 (1910s)
Authors:
Subjects: Mines and mineral resources
Publisher: (Don Mills, Ont., Southam Business Communications)
Contributing Library: Fisher - University of Toronto
Digitizing Sponsor: University of Toronto

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o depth, it has been satisfactorily arrang-ed for. The mine captain considers the efficiency of the miners is very little affected so far, and the writer is inclined to think that men who have been used to thedamp, hot climate of Brazil for some years are prob-ably more capable of working efficiently in B6 wetbulb temperature than men in England accustomedto a damp, cold climate on surface. Often enough inthe hot season here the change from surface to thebottom of the mine is only slight, but the change inEngland would of course be a far more severe trial.Even in the hottest places in the mine the contractorsare eager to work twelve hours, and had it not beenfor our complying with this to some extent, we shouldhave lost our men. It is. however, evident that inspite of the apparent possibility that this climate isfavorable to the efficiency of men working in hotmines, eight hours is quite sufficient for steady work-ers at the present depth. August 1, 1915 THE CANADIAN MINING JOURNAL 46
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CHART SHOWING TEMPERATURE Ol ROCK AND AIR \l ;» I.F.VKI.S 466 THE CANADIAN MINING JOURNAL August 1. 1915 MINING IN NEWFOUNDLAND By J. W. MeGrath. Newfoundland wherever known is famed for herfisheries. Few have ever regarded her as a miningcountry; ahd yet, strange as it may seem, two of therichest copper and iron mines in the world have beenworked for years there. No one ever made scientific explorations to ascer-tain what minerals may exist in Newfoundland. Thatminerals were discovered at all was by mere accident.It was by mere chance that the copper deposits atTilt Cove, and the iron deposits at Wabana were dis-covered. Several years ago, in 1857 to be exact, a prospectorfor minerals, Mr. Smith Mackay, was engaged search-ing for mineral ores around the Newfoundland coast.The route of his travel led him to a village named TiltCove, where live or six families supported themselvesby fishing. During his stay over the night at one ofthese fishermens huts Mr. Mackay was surprised tofind

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