First- Fourth Report of the Geological Survey in Kentucky Made During the Years 1854 to 1859 Volume 2

First- Fourth Report of the Geological Survey in Kentucky Made During the Years 1854 to 1859 Volume 2

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1857 edition. Excerpt: ...purpose when it is mixed, in proper proportion, with some of those limouites of Greenup county which are refractory in the furnace, in consequence of their very large per centage of oxide of iron. The considerable proportion of lime and m gnesit, contained in this rock, renders it an appropriate fluxing material for those very rich iron ores which are of a silicious character. No. 47G--Limonite. Labeled "Limestone ore, over the limestone, Pennsylvania Furnace, Greenup county, Ky." Exterior of the ore of a dirty yellowish-grey color. On one edge the fracture presented a compact layer of dark brown limonite, which gradually passes into a granular ma.s, composed of small brownish-red yiauib, ccmeuted by a whitish aud yellow ith matter, of which mixture the ore is principally composed, giving it a fine oolitic appearance; powder light brownish-red. Composition, dried at 212 F.--100.00 The air-dried ore lost 2.70 per cent. of moisture at 212 F. No. 316--Limonite. Labeled "Kidney ore, above the block ore and under the main limestone, Pennsylvania Furnace, Greenup county, Kyr A dark, purplish-brown, limonite; compact; adhering slightly to the tongue; containing minute spangles of mica; some of the fissures coated with glimmering drk colored, minute crystals; powder of a spanish-brown color. Composition, dried at 212 F.--Oxiile of iron, ---76 90 - 53.85 per cent, of Iron. Alumina, ---1.21 Brown oxide of manganese, -.25 Phosphoric acid, -.64 Magnesia, .....28 Potash, --.-.23 Soda, 16 Silex and insoluble silicates, 11.77 Combined water, -9.09 100.53 The air-dried ore lost 0.50 percent. of moisture at 212 F. No. 317--Limonite. Labeled "Block ore, below the hearth-stone, average seven to eight inches, Pennsylvania Furnace, Greenup county, ...show more

Product details

  • Paperback | 118 pages
  • 189 x 246 x 6mm | 227g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236630149
  • 9781236630148