Identifier: annualreport191302onta (find matches)
Title: Annual report
Year: 1891 (1890s)
Authors: Ontario. Dept. of Mines
Subjects: Mines and mineral resources
Publisher: Toronto
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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o a depth of 30 feet in pit No. 4, and diamond drilling hasalso revealed it at greater depths. In pit No. 4, a very little pyrrhotite and chalcopyritewere deposited at the same time as the later generation of pyrites. The pyrrhotitefrom this pit gave a trace of nickel. There is also much pyrrhotite disseminatedthrough the rusty schist at the bottom of Xo. 3 shaft on the south side. This rustyschist on analysis gave a trace of gold and 17.23 per cent, sulphur. The deposit for the most part is copper-free and non-nickeliferous. Gold is alsoabsent. The mineral contains no impurities, such as arsenic, zinc and lead, which areobjectionable in the manufacture of sulphuric acid. The pyrites is rich enough to shipdirectly without concentration. The contact of the pyrites and the rusty schist is sometimes well marked, a selvageof a clayey material lying between the two. This more or less impervious selvage mayhave played an important part in guiding or deflecting the mineral solutions and thus
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;-i»j. 51. Shaft No. .* a* seen from tor of shaft No. 2, Canadian Sulphur Ore Company, QueensbOFO. promoted a better concentration of the sulphide. On the other hand, on the quartziteside the pyrites is frozen to the wall, and some country rock has to be blasted to ur>t outall of the mineral. It is important to know the depth to which the black rusty schists extend, lr isprobable that In the widest parts they go down to a considerable depth, as the dipis about vertical. In the old workings, on the 50-foot level, the walls are covered In places withminute flakes of epsomite, MgSO,4-7H;,0. Equipment. The mine (s equipped to produce from 50 to 100 tons of iron pyritesper day, yielding 40 per cent, of sulphur. Since December llth. 1!Ul. it lias been run by electricity supplied by the Seymour Power Company, via Madoc. The thr phase, 130-horsepower motor runs a compressor which Bupplles air for two hoists, two pumpsand five drills. The surface and underground workings are lighted by ele

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