Report on the building and ornamental stones of Canada (1912)
Parks, William A. (William Arthur), 1868-1936, Canada. Mines Branch (1901-1936) · Ottawa : Dept. of Mines, Mines Branch · leaf 125
rsion is above the danger line. The physical properties are as follows:— Specific gravity 2 • 697 Weight per cubic foot, lbs 166-79 Pf)re space, per cent • 932 Ratio of abs()rf)ti(in, per cent, one hour • 248 „ „ „ two hours • 248 „ „ „ slow immersion • 299 ,, „ „ in vacuo • 341 » „ ,, under… … Granite quarry of the Canadian Pacific Railway Co. at Cathmar, B.C. 77 Crushing strength, lbs. per sq. in., dry (average) ,?1,950- Transverse strength, lbs. per sq. in 2 ,340- Shearing strength, lbs. per sq. in 2,120- Loss on corrosion, grams per sq. in • 0(K)8 Drilling factor, mm 5-5 Although the…
Building stones · Geology, Economic · Stone industry and trade
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