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 47
ese great mountain building forcescould not cease abruptly at the line of the most easterly great fault. De-forming effects are seen still farther east in the crumpling of the rocks con-tiguous to the mountains resulting in the ranges of minor hills known asthe foothills. 24 Subsequent to the… … were washed away, until, at the present time, the Rocky Mountain quartziteforms the summit of many of the great ranges. In the case of the morewesterly fault blocks, which were uplifted to a greater extent, the wholeseries of formations above the Cambrian have totally disappeared. 25 It is apparent…
Building stones · Geology, Economic · Stone industry and trade
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