The Mineral Industry, Its Statistics, Technology and Trade Volume 9

The Mineral Industry, Its Statistics, Technology and Trade Volume 9

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1900 edition. Excerpt: ...of $1,000,000. Its magnesite deposits are on the island of Euboea on the eastern coast of Greece. The magnesite occurs on the-surface and is mined by open cuts. A narrow gauge railway connects the mines with the shipping port. The cost of producing the mineral is about $3-50 per long ton, and the transportation charge to St. Theodore or Kymassi is about $1, making $4-50 in all. Freight to the United States costs about $2-50 a ton and the selling price of crude magnesite ex-ship New York, Philadelphia or Baltimore is $7 to $7-50 per long ton. The production of crude magnesite in Greece in 1899 was 17,184 metric tons; calcined magnesite, 3,087; magnesite bricks, 542 metric tons. The greater part of the crude magnesite was shipped to the United States. An important branch of the industry in Greece is the manufacture of calcined magnesite and bricks. The works at Kymassi produce calcined magnesite and bricks. These latter are consumed mostly in Europe. Calcined magnesite is worth about $lfi-50 per short ton in bags, f. o. b. cars at NewYork, Philadelphia or Baltimore. MANGANESE. The production in the United States in 1899 of manganese ores of all grades is given in the following table, which does not include the manganese iron ores of Colorado and other Western States consumed as a flux in silver-lead smelting, although account is taken of that portion sold to steel makers for the manufacture of ferromangancse and spiegeleisen. The different grades of ore include the high grade ores proper, pyrolusite and psilomelane, the low grade ores of Michigan and Wisconsin which are really manganiferous iron ores and contain but 6 to 8% Mn; and the franklinite residuum from the zinc oxide containing on the average 14% Mn. The table in the section on more

Product details

  • Paperback | 448 pages
  • 189 x 246 x 23mm | 794g
  • United States
  • English
  • black & white illustrations
  • 1236750209
  • 9781236750204