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 400
, lbs. per scjuare inch 1111 • Chiselling factor 4-4 An anah^sis by H. A. Leverin follows:— Insoluble matter -20 Ferrous oxide 33 Ferric oxide and ahiniina ^Q Calcium carl)onate 52•7() Magnesium carbonate 45-65 Sulphur -026 This stone is very high in inagnesiuui carbonate, containing the… … >^
Building stones · Geology, Economic · Stone industry and trade
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
