Report on the building and ornamental stones of Canada (1912)
Parks, William A, Canada. Mines Branch · Ottawa : Dept. of Mines · leaf 368
pecimen is remarkably free from any irregu-larities, worms, or pyrite crystals. The following analyses, made to illus-trate the varying composition of contiguous bands of rock, are taken fromthe Report of the Geological Survey, 1895, p. 60 J. Two varieties of slate from the Danville quarry. Silica… … Danville slate. The old Danville school slate quarry. 243 A quarry was opened in similar slate in 1854 on lot 9, range VI, Cleve-land.i Kingsey Slate Area.= Henry Armstrong, Trenholm, Que.; Lots 4 and 5, Range I, Kingsey. A very large body of the slate doubtless occurs on this property:it is to be…
Building stones
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