 | Georgia. Department of Mines, Mining, and Geology - Geology - 1912 - 354 pages
...contain as much as 40 per cent of manganese, but the greater part of the ore, not limonite, is manganif1 LaForge, Laurence, and Phalen, WC, US Geol. Survey Geol. Atlas, ElliJay folio (No. 187), p. 14, 1913. 2 Information from field notes made in November, 1917, by HK Shearer, Assistant State... | |
 | Georgia. Department of Mines, Mining, and Geology - Geology - 1945 - 570 pages
...metamorphism and phyllonitization: Amer. Jour. Science, Vol. 21, Jan. 1931, pp. 1-27. 16. LaForge, L. and Phalen, WC, US Geol. Survey Geol. Atlas, Ellijay folio (No. 187), 1913. 17. McVay, TN, and Wilson, Hewitt, Substitution of topaz, domestic kyanite, and synthetic mullite-corundum... | |
 | Georgia. Department of Mines, Mining, and Geology - Geology - 1928 - 254 pages
...faulted against the eastern belt of the Great Smoky formation as far south as this 24 La Forge, L. and Phalen, WC, US Geol. Survey Geol. Atlas, Ellijay folio (No. 187), p. 6, 1913. extends and then, farther south, against the Carolina gneiss to the latitude of Tate. The... | |
 | Joseph Poyer Deyo Hull, Laurence La Forge, Walter Richard Crane - Manganese ores - 1919 - 350 pages
...much as 40 per cent of manganese, but the greater part of the ore, not limonite, is manganif1LaForge, Laurence, and Phalen, WC, US Geol. Survey Geol. Atlas, Ellijay folio (No. 187), p. 14, 1913. * Information from field notes made in November, 1917, by HK Shearer, Assistant State... | |
 | 1932 - 720 pages
...the treatment of the Ducktown copper ores: Am. Inst. Min. Eng. Trans., vol. 25, pp. 173-243, 1896. LAFORGE, LAURENCE, and PHALEN, WC, US Geol. Survey Geol. Atlas, Ellijay folio (No. 187), 1913. The Ellijay quadrangle includes the southern part of the Ducktown district, and the rocks and types of... | |
 | Geology - 1932 - 200 pages
...the treatment of the Ducktown copper ores: Am. Inst. Min. Eng. Trans., vol. 25, pp. 173-243, 1896. LA.FORGE, LAURENCE, and PHALEN, WC, US Geol. Survey Geol. Atlas, Ellijay folio (No. 187), 1913. The Ellijay quadrangle includes the southern part of the Ducktown district, and the rocks and types of... | |
 | Chester Ray Longwell - Geology - 1933 - 360 pages
...treatment of the Ducktown copper ores: Am. Inst. Min. Eng. Trans., vol. 25, pp. 173-243, 1896. LxFoRGE, LAURENCE, and PHALEN, WC, US Geol. Survey Geol. Atlas, Ellijay folio (No. 187), 1913. The Ellijay quadrangle includes the southern part of the Ducktown district, and the rocks and types of... | |
 | United States. Bureau of Mines - Digital images - 1914 - 1266 pages
...folio (No. 143), 1907. 5c. US Geol. Survey Geol. Atlas, Pisgah folio (No. 147), 1907. 5c. LA FORGE, L., and PHALEN, WC, US Geol. Survey Geol. Atlas, Ellijay folio (No. 187), 1913. 25c. LINDGBEN, WALDEMAR, The production of gold in the United States in 1904: US Geol. Survey Bull.... | |
 | Geological Survey (U.S.) - 1935 - 230 pages
...Production of apparent dlorlte by metamorphism : Cieol. Soc. America Bull., vol. 24. pp. 684, 685, 1913. LaForge, Laurence, and Phalen, WC, US Geol. Survey Geol. Atlas, Ellijay folio ino. 187), pp. 8, 10, 1913. Emmons, WH, and Lane?, FB, op. cit. iProf. Paper 139), pp. 19-21, pis.... | |
 | Geology - 1950 - 128 pages
...limestones and cement materials of North Georgia: Georgia Geol. Survey Bull. 27, pp. 115-128, 1912. LaForge, Laurence and Phalen, WC, US Geol. Survey Geol. Atlas, Ellijay folio (no. 187), pp. 52-54, geologic map, 1913. Bayley, WS, Geology of the Tate quadrangle, Georgia : Georgia Geol.... | |
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LA.FORGE, LAURENCE, and PHALEN, WC, US Geol. Survey Geol. Atlas, Ellijay folio (No. 187), 1913. The Ellijay quadrangle includes the southern part of the Ducktown district, and the rocks and types of geologic structure are similar. The text of the folio... 