Report on the building and ornamental stones of Canada (1912)
Parks, William A, Canada. Mines Branch · Ottawa : Dept. of Mines · leaf 380
ilable at the time of myvisit. Under the corrosion test the stone seems to assume a slighter darkerhue. Specific gravity (l. 802 \2.8Ol Weight per cubic foot, lbs fl73.588 \173.413 Pore space, per cent jO. 783 10.825 Ratio of absorption, per cent, one hour J0.0593 \0.0591 two hours 1^0.0772 \0.0617… … Temiscouata slate. Quarry of Frazer and Davis, Long lake, Temiscouata county. Que. 251 Transverse strength, lbs. per sq. in.^ j 3,610. \2,900.Loss on corrosion, grams per sq. in 0.000466 An analysis of Temiscouata slate by Leverin gave the following results:- per cent. Silica ... 57.62 Alumina…
Building stones
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