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 36
ng the test. Sixteen granites or other igneous rocks were tested with results rangingfrom 3-5 mm. in the ca.se of the granite west of Nelson to 9-2 mm. for themonzonite from Coryell. The Okanagan granites are more easily drilledthan those of the Coast range and of the Nelson batholith. The… … Ins-triimcnl iisod lor chiselling and drilling tests. 15 tin- (iiill inlands \,\r\ tioin 19-6 l(j 27-S, \\luna> tlic cuniiiurcial Iaskapoosan(ls((iiKs of Allierta vary froni 9-6 to M-.^. Of iIk inarl)lcs, the hardest to drill are the red Malas[^ina stone fromTexacUi island (16-0) and the white…
Building stones · Geology, Economic · Stone industry and trade
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