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 64
- „ „ „ „ wet 8,080- » „ „ „ wet after freezing 2,741 Transwrse strength, lbs. per sq. in 778- Shearing strength, lbs. per s(|. in 1 ,058- I-oss on corrosion, grams per sq. in -0836 Drilling factor, mm .S7 -4 Chiselling factor, grams (I) 2-6 (II) 7-2 Coefficient of saturation, Crushing strength,… … Sandstone quarry on Hornby island, B.C. 39 Ferric oxitle -34 Ferrous oxick 2-46 Lime -37 Magnesia 2-35 Carbonic aci(i -10 The high content of magnesia is the most striking feature brought outby the analysis. For a comparison of this stone with the more alteredvariety, No. 1486, see page 32. No.…
Building stones · Geology, Economic · Stone industry and trade
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