The book Appletons Popular Science Monthly volume 52 was written by author William Jay Youmans Here you can read free online of Appletons Popular Science Monthly volume 52 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Appletons Popular Science Monthly volume 52 a good or bad book?
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In some cases the auriferous gravel and sand can be traced downward almost di- rectly into the disintegrating quartz of an outcropping vein. The main Urals are rich in iron ores, chiefly hematite and spathic iron; in the Ilmen range the ore is magnetite and occurs in a differ- TOL. LII. 19 234 POPULAR SCIENCE MONTHLY. ent geological relation. The oxide and carbonate are associated with dolomitic limestones of the lower Devonian, and may be traced into them by a gradual transition, as at the min...es of Bakal, where the ore is hematite for some distance below the surface, then passes to spathic iron, and this into dolomitic limestone at a considerable depth. After traversing the Urals to Zlatoust, where are the great iron and steel works that produce some of the finest weapons used in the Russian army, and that sent an elegant exhibit to the Chicago World's Fair, the excursion traversed the famous mining and mineral region of the Ilmen Mountains northward to Tagilsk and Ekaterin- bourg. This portion of the route is treated of in several papers as follows: The Eastern Slope of the Urals (No.
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