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 257
other irregular cracks run in all directions, so that, onthe whole, the formation is badly shattered. In addition to the jointing, theformation is disturbed by the injection of the dykes already referred to(Plate XXXVII). There does not seem to be any pcssibility of quar-rying large blocks on a… … /^^ Plate XXXVII.
Building stones · Geology, Economic · Stone industry and trade
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