Natural resources of Quebec

Bibliographic data

Monograph

Identifikator:: 1796289558

URN:: urn:nbn:de:zbw-retromon-181093

Document type:: Monograph

Title:: Natural resources of Quebec

Edition:: Rev. ed.

Place of publication:: Ottawa

Publisher:: Natural resources intelligence service

Year of publication:: 1929

Scope:: 132 p; illus., maps

Digitisation:: 2022

Collection:: Economics Books

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Chapter

Document type:: Monograph

Structure type:: Chapter

Title:: Chapter V. Minerals

Collection:: Economics Books

MINERALS 81 value of the superior grades, and a steady market must be found for it if the higher values are to be mined. The value of a ton of asbestos may vary from $350 to $15 according to the length of the fibre. The first figure represents the value of No. 1 crude, about one inch or more in length: the second, that of fibre 1 inch or less in length. The lowest grades of asbestos are made into asbestos paper, which is largely used in building and in making heavy mill-board which, in turn, is used for insulating electric switchboards. The long fibred and more valuable material is used in the textile trades for such purposes as the manufacture of fire-proof clothing, theatre curtains and other fabrics. The uses to which asbestos is now applied are manifold and continually Increasing, as for instance, gloves, aprons, garments, steam packing, zaskets, ropes, yarns, insulating covers, fire-proofing, shingles, etc. Very little of the fibre is now manufactured in Canada. Most of it is shipped to Europe and the United States, which now supplies the South American republics with asbestos products previously controlled by Germany. Asbestos products at present are manufactured in Canada mainly for building material, which utilizes only about 5 per cent of the total output and that of the lowest grade. There are now in the province three establishments that manufacture finished asbestos products. Fire- proof shingles and wall-board and brake lining are the chief items of asbestos manufacture. The constantly increasing uses of asbestos, and the great areas and depth of rock where it occurs in Quebec, will constitute one of the prov- ince's greatest resources for many years. Extensive diamond drilling and underground exploration on a large scale have shown the. existence of immense reserves of asbestos ores, so that the industrv has good pros- pects. Feldspar.—This mineral is extensively used in the pottery industry, in the manufacture of enamel glazes for tile, brick, and chinaware. It is also used in enamel ware, granite and sanitary ware, and in the compo- sition of scouring soaps. Large deposits of a particularly high grade have for a number of years been mined in Labelle county, along the Ligvre river, and important new deposits have recently been discovered in Derry township, near the town of Buckingham. Very large deposits of feldspar, of good grade, occur in various places on the north shore of the gulf of St. Lawrence. The production of this mineral in the province of Quebec is limited only by the demand. The production of feldspar in Quebec in 1927 was 12.730 tons valued at $104.618. Mineral Paints.—An industry of importance is developing in the making of paint materials from natural iron oxide and ochre, of which numerous deposits are found in the St. Lawrence valley, especially in the RR108 —B

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