Report on the building and ornamental stones of Canada (1912)
Parks, William A, Canada. Mines Branch · Ottawa : Dept. of Mines · leaf 222
haracter-istics but presents a more gneissoid structure with dark thin bands ofhornblende and quartz running through the granitic mass. In placesthese bands become wide and constitute interlaminated hornblende schist. The gneissoid character of most of the stone renders it unsuitable topurposes of… … Fig. 6.—Sketch map of the quarry district at Sta,, ;tead, Que., showing the location of the chief quarries. 15>^ sequence to be well adapted to the making of paving blocks, for which pur-pose it has been used. During the last few years about 100,000 blocks ayear have been shipped to Montreal and…
Building stones
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