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 269
. Wait shows:— Ferrous oxide, per cent 0-27 Ferric oxide, per cent <>• 11 Sulphur, per cent 0-11 As this stone and the one from Logans (luarry are the only >h(lina stonesexamined in detail, it is interesting to compare the ])hysical tests of the twotypes, particularly as, to the naked eye,… … IGl a considerable amount of (leccjrnposinfi; feldspar and consequently an ap-preciable amount of cement, while the Nicholson stone is cleaner,and providedwith much less cement. On the other hand the Nicholson stone possesseslarge open spaces. These observations account quite clearly for the…
Building stones · Geology, Economic · Stone industry and trade
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