 | Geology - 1902 - 512 pages
...in India. Calcutta, Mem. Geol. Surv. Ind. 1901. 81 S., 7 Fig., 20 Taf. u. l geol. Karte. Pr. 14 M. Irving, JD: Some recently exploited deposits of Wolframite in the Black Hills of South Dakota. Am. Inst. of Min. Eng. Richmond Meeting, Febr. 1901. 13 S. m. l Fig. Janet, L.: Sur le rôle de la géologie... | |
 | Geology - 1903 - 1030 pages
...petrology of the area and describes the character and occurrence of the iron ores. 546 Irving (John Duer). Some recently exploited deposits of wolframite in the Black Hills of South Dakota. Am. Inst. Mg. Engrs., Trans., vol. 31, pp. 683-695, 1 fig. (small geol. map), 1902. Describes the general geology... | |
 | Chemistry - 1902 - 594 pages
...general relation can be established between certain rock types and rich ore deposits." WF HlLLEBRAND. Some Recently Exploited Deposits of Wolframite in the Black Hills of South Dakota. BY JD IRVING. Trans. Am. Inst. Min. Eng., Richmond Meeting, 1901. 13 pp. — Near Lead City are two... | |
 | Frank Wigglesworth Clarke - Geology, Economic - 1903 - 558 pages
...petrology of the area and describes the character ami occurrence of the iron ores. 546 Irving (John D uer). Some recently exploited deposits of wolframite in the Black Hills of South Dakota. Am. Inst. Mg. Engrs., Trans., vol. 31, pp. 683-695, 1 fig. (small geol. map), 1902. Describes the general geology... | |
 | Geological Survey (U.S.) - Geology - 1903 - 214 pages
...petrology of the area and describes the character and occurrence of the iron ores. 546 Irving (John Duer). Some recently exploited deposits of wolframite in the Black Hills of South Dakota. Am. Inst. Mg. Engrs., Trans., vol. 31, pp. 683-695, 1 fig. (small geol. map), 1902. Describes the general geology... | |
 | American Society of Civil Engineers - Civil engineering - 1903 - 896 pages
...Silver Mines: Two Types of Ore Deposits in the Deserts of Nevada and Utah.* SF Emmons. (so) Vol. xxxi. Some Recently Exploited Deposits of Wolframite in the Black Hills of South Dakota.* JD Irving. 156) Vol. xxxi. Gold-Mining in the Transvaal, South Africa.* John Hays Hammond. (56) Vol.... | |
 | George Perkins Merrill - Geology, Economic - 1904 - 518 pages
...Nevada, Tungsten Deposits. Engineering and Mining Journal, LXXIII, March, 1902, pp. 304, 305. JD IRVING. Some Recently Exploited Deposits of Wolframite in the Black Hills of South Dakota. Transactions of the American Institute of Mining Engineers, XXXI, 1902, pp. 683H585. VIII. PHOSPHATES... | |
 | Fred Boughton Weeks - Geology - 1906 - 788 pages
...the occurrence and relations of igneous and sedimentary rocks in this region. Irving (John Duer). 1. Some recently exploited deposits of wolframite in the Black Hills of South Dakota. Am. Inst. Mg. Engrs., Trans., vol. S!, pp. 633-ffifi, 1 lig. (small geol. map). 1902. Describes the general geology... | |
 | Alfred Wilhelm Stelzner - Ores - 1906 - 892 pages
...erörterte genetische Zusammenhang der bor- und fluorhaltigen Zinnerzgänge mit sauren Eruptivgesteinen *) Some recently exploited deposits of Wolframite in the Black Hills of South Dakota; Transact. Am. Iiist. Min. Eng., XXXI, 1902, 683—695; Kef. Ztschr. f. prakt. Qeol., 1902, 128—129.... | |
 | United States - 1907 - 952 pages
...occurrence and relations of igneous and KC'linientary rocks in this region. Irving (John Duer). 1. Some recently exploited deposits of wolframite in the Black Hills of South Dakota. Am. Inst. Mg. Eiigrs., Trans., vol. S!, pp. 6S3-69S. I Kg. (small geol. map), 1902. Describes the general geology... | |
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IRVING, JD, Some recently exploited deposits of wolframite in the Black Hills of South Dakota: Am. 
