..Report on the building and ornamental stones of Canada, volI-V . ish redorthoclase with white quartz, is a beautiful ornamental stone, and admits ofa good polish. ^ » Geol. Sur. Can., Rep. 1887-88, p. 75 S. 347 chapter vii. The Slate of Southern Oxtario. There is at present no slate produced in Ontario; the only deposit thathas ever been worked is situated on lot o, eon. VI, of Madoc. The belt here seems to have a considerable width and to extend for atleast a mile in an east and west direction. The slate is of a good blue greycolour and, judging from the fragments now hdngin the old quarry,
..Report on the building and ornamental stones of Canada, volI-V . ish redorthoclase with white quartz, is a beautiful ornamental stone, and admits ofa good polish. ^ » Geol. Sur. Can., Rep. 1887-88, p. 75 S. 347 chapter vii. The Slate of Southern Oxtario. There is at present no slate produced in Ontario; the only deposit thathas ever been worked is situated on lot o, eon. VI, of Madoc. The belt here seems to have a considerable width and to extend for atleast a mile in an east and west direction. The slate is of a good blue greycolour and, judging from the fragments now hdngin the old quarry, it is verydurable. It would appear that excessive hardness and lack of capital to pushthe excavation to greater depths were responsible for the cessation of oper-ations. See the report of the Royal Commission on the Mineral Resourcesof Ontario, 1890. pp. S7-SS. Slates are also Icnown to occur on Calabogie lake\ in the townships ofHorton and Ross, and in the township of Lavant^. Geol. Sur. Can. Rep. 1876-77, p. Ibid. pp. 260, 262. Ibid. p. 253. Plate LXIX. Red Limestone, Britnells Quarry, Burnt River, Ont. Flaw LXX
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbuildin, bookyear1912
