Appletons Popular Science Monthly volume 52
Appletons Popular Science Monthly volume 52
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In our eReader you can find the full English version of the book. Read Appletons Popular Science Monthly volume 52 Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Appletons Popular Science Monthly volume 52
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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.
What to read after Appletons Popular Science Monthly volume 52?
You can find similar books in the "Read Also" column, or choose other free books by William Jay Youmans to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
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.
What to read after Appletons Popular Science Monthly volume 52?
You can find similar books in the "Read Also" column, or choose other free books by William Jay Youmans to read onlineMoreLess
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