 USES OF FLUORSPAR. The Kentucky-Illinois district is not only the main American source of fluorspar, but is the only one from which spar reaches the general market. Since 1882 the district has produced 260,000 tons of spar, having a total value of $1,521,029....  The Fluorspar Deposits of Southern Illinois - Seite 67von Harry Foster Bain - 1905 - 75 SeitenVollansicht - Über dieses Buch
 | 1905 - 640 Seiten
...of the valley." The published data then available prove to have been somewhat misleading, and tlie analogy is now believed to be less close than was...produced 260,000 tons of spar, having a total value of $1.521,029. There are no data for determining the production of the Illinois mines separately. For... | |
 | 1904 - 924 Seiten
...CONTRIBUTIONS TO ECONOMIC GEOLOGY, 1903. [nn.L.225. Economic- importance. — The Kentuckj'-Illinois district is not only the main American source of fluorspar, but is the only one from which it reaches the general market. Since 1882 the district has produced 218,135 tons of spar, of a total... | |
 | Waldemar Lindgren, Frederick Leslie Ransome - 1904 - 456 Seiten
...constituent of the rising solutions. ECOXOMIC IMPORTANCE AXD FUTURE OF THE DISTRICT. SOT'RCBS AISD USES OF FLUORSPAR. The Kentucky-Illinois district...general market. Since 1882 the district has produced 200,000 tons of spar, having a total value of $1,521,029. There are no data for determining the production... | |
 | Samuel Franklin Emmons, Geological Survey (U.S.) - 1904 - 550 Seiten
...Illinois, vol. 1, 18CC, pp. 3fl<> oTrans. Am. Inst. Min. Eng., vol. 21, pp. 31-53, 1893. wvportance. — The Kentucky-Illinois district is not only the main...source of fluorspar, but is the only one from which it reaches the general market. Since 1882 the district has produced 21H,135 tons of spar, of a total... | |
 | Geological Survey (U.S.) - 1904 - 546 Seiten
...1, 1866, pp. 350-375. cTnms. Am. lust. Min. Eng., vol. 21, pp. 31-53, 1893. Economic importance. — The Kentucky-Illinois district is not only the main...source of fluorspar, but is the only one from which it reaches the general market. Since 1882 the district has produced 218,135 tons of spar, of a total... | |
 | 1908 - 188 Seiten
...fluorspar fields to Pittsburg our domestic production would be able to eompete with foreign imports. The Kentucky-illinois district is not only the main...from which spar reaches the general market. Since 18S2 the district has produced 260,000 tons of spar having a total value of $1,521,029. There are no... | |
 | 1905 - 922 Seiten
...quantity. What was, therefore originally a gangue mineral is here the one that gives value to the ore. Tbe Kentucky-Illinois district is not only the main American source of fluorspar, but It is th • only one from which spar reaches the general market. Since 1882 the district has produced... | |
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