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 382
29 n n » two hours ;. 0-41 » » » slow immersion 0-69 „ V V in vacuo 0-74 Crushing strength, lbs. per sq. in., dry 46,518- ,, „ ,, ,, wet 44,734- » „ „ » wet after freezing 38,011 • Transverse strength, lbs. per sq. in 5,419- Shearing strength, lbs. per sq. in 2,495 • Loss on corrosion, grams per… … Pre-Cambrian gneiss. Quarry of the Lake Winnipeg Shipping Company,Lake Winnipeg, Man. 257 No. 1039.—This specimen, from the shore opposite Dog head, rep-resents a variety very like No. 1040: the grain is a httle finer and the Hghtcoloured bands are more prominent. The present quarry is opened…
Building stones · Geology, Economic · Stone industry and trade
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