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 52
, lbs 141-253 Pore space, per cent 15-031 Ratio of absorption, per cent 6-604 Coefficient of saturation, one hour 0-57 two hours 0-72 Crushing strength, lbs. per sq. in 11891 ■ wet, lbs. per sq. in 7652- dry after freezing, lbs. per sq. in 9087 • Gain on treatment with carbonic acid and oxygen,… … i.lH.Hii-. Adam Hill s , Nl-w.-umIc, .\.li. 35 The cementing material is argillaceous. Of the colouring ingredients,the stone contains:— Ferrous oxide, per cent 3-21 Ferric 1-28 The equipment consists of two horse derricks, two scows, and a gasolinetug. The stone is loaded directly into the scows…
Building stones · Geology, Economic · Stone industry and trade
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