. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. THE TSrONMETALLIC MINERALS. 203 to the same geological horizon arc estimated to contain upward of 10,000,000,000,000 cubic feet of salt. One of th(^ most remarkable deposits of the world, remarkable for its extent as well as for th(> variety of its prodvicts, is that of Stass- furt, in Prussian Saxony. On account of its unique character, as. Fig. 4. CLUSTER OP SYLVITE CRYSTALS, Stassfurt, Germany. Specimen No. 40223, well as its
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. THE TSrONMETALLIC MINERALS. 203 to the same geological horizon arc estimated to contain upward of 10,000,000,000,000 cubic feet of salt. One of th(^ most remarkable deposits of the world, remarkable for its extent as well as for th(> variety of its prodvicts, is that of Stass- furt, in Prussian Saxony. On account of its unique character, as. Fig. 4. CLUSTER OP SYLVITE CRYSTALS, Stassfurt, Germany. Specimen No. 40223, well as its commercial importance, being to-day the chief source of natural potash salts of the world, a little space may well be given here to a detailed description.^ Stassfurt is a small town of some 12,000 inhabitants, about 25 miles southwest of the city and fortress of Magdeburg, in Prussia. It lies in a plain, and the river Bode, which takes its rise in the Harz Mountains, flows through it. The history of the salt industry in Stassfurt is a very old one, and dates back as far as the year 806. Previous to the year 1839 the salt was produced from brine pumped from wells sunk about 200 feet into the rock. The brine, in the course of time, became so weak, ^ Journal of the Society of Chemical Industry, II, 1883, pp. 146, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
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