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 311
nch. . . 24.500- Loss on freezing, per cent 0-028 Loss on treatment witii carlxjiiic acid, grams per s([uare inch 0-112 Transverse strength, lbs. ])er square inch 2441- Chiselling factor 5-2 This .stone is compact, fine grained and easily chiselled; it has a strongtendency to split along the… … T^-lflr- .■■•^# ^si /p^t- ^^^ \^ ■•■4t..,. ^ <^ 4/ J J * i DrilMun ^^ C- > /s- ^ T O A/ s r o » M C /f e A/ f / i I e 107 The followiiif^ iiiiuly.sis indicates the chemical character of the stone:— Carbonate <^f lime 83-96 Carbonate of magnesia 9-29 Carbonate of iron 0*69 Insohil)le 0-00…
Building stones · Geology, Economic · Stone industry and trade
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