"Sulphide" Quotes from Famous Books
... antimony, ten tons in all, was lately received by C.L. Oudesluys & Co., from the southern part of Utah Territory, being the first antimony received in the East from the mines of that section. The antimony was mined about 140 miles from Salt Lake City. The ore is a sulphide, bluish gray in color, and yields from 60 to 65 per cent. of antimony. All antimony heretofore came from Great Britain and the island of Borneo, and paid an import duty of 10 per cent. ad valorem, and there is also some from Sonora. It is believed that with proper rail facilities ... — Scientific American Supplement, No. 312, December 24, 1881 • Various
... increased considerably, although the greater part of the return has been from lode mining. The Rossland, the Boundary and the Kootenay districts are the chief centres of vein-mining, yielding auriferous and cupriferous sulphide ores, as well as large quantities of silver-bearing lead ores. Ores of copper and the precious metals are being prospected and worked also, in several places along the coast and on Vancouver Island. The mining laws are liberal, and being based on the experience gained in the adjacent mining ... — Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 - "Brescia" to "Bulgaria" • Various
... described anciently nor examined scientifically in modern times. The ore from which the metal was extracted is called chalcitis by Pliny,[108] and may have been the "chalcocite" of our present metallurgical science, which is a sulphide containing very nearly eighty per cent. of copper. The brief account which Strabo gives of the mines of Tamasus shows that the ore was smelted in furnaces which were heated by wood fires. We gather also from Strabo that Tamasus ... — History of Phoenicia • George Rawlinson
... not occur naturally in the uncombined condition, and only one mineral is known which contains it in any appreciable quantity, namely, greenockite, or cadmium sulphide, found at Greenock and at Bishopton in Scotland, and in Bohemia and Pennsylvania. It is, however, nearly always found associated with zinc blende, and with calamine, although ... — Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 - "Bulgaria" to "Calgary" • Various |