 | 1902 - 512 Seiten
...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... | |
 | 1903 - 1030 Seiten
...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... | |
 | 1902 - 594 Seiten
...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 - 1903 - 558 Seiten
...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... | |
 | American Society of Civil Engineers - 1903 - 896 Seiten
...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.... | |
 | Geological Survey (U.S.) - 1903 - 214 Seiten
...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... | |
 | George Perkins Merrill - 1904 - 518 Seiten
...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... | |
 | Richard Beck - 1905 - 364 Seiten
...•WH Hobbs: "Tungsten Mining at Trumbull, Conn.' Bull. 213, US Geol. Surv., 1903, p. 98. •JDIrving: 'Wolframite in the Black Hills of South Dakota.' Trans. Am. Inst. Min. Eng., 1901. Also Prof, paper No. 36, US Geol. Survey, 363-9, 1904. 540 of a great fault, and are closely... | |
 | Richard Beck - 1905 - 718 Seiten
...Hobbs: 'Tungsten Mining at Trumbull, Conn.' Bull. 213, US Geol. Surv., 1903, p. 98. * J. I). Irving: 'Wolframite in the Black Hills of South Dakota.' Trans. Am. Inst. Min. Ene., 1901. Also Prof, paper Xo. 36, US Geol. Survey, 363-9, 1904. 4 J. Douglas: Trans. Am. Inst. Min.... | |
 | Alfred Wilhelm Stelzner - 1906 - 892 Seiten
...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.... | |
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IRVING, JD. Some recently exploited deposits of wolframite in the Black Hills of South Dakota: Am. 
