Exploration for porphyry metal deposits based on rutile distribution-- a test in Sumatera : a new exploration tool for porphyry deposits in the tropics / by Eric R. Force, Sukirno Djaswadi, and Theo van Leeuwen. Titanium mineral resources of the United States-- definitions and documentation / by Eric R. Force and Langtry G. Lynd (Contributions to the geology of mineral deposits) (Geological Survey bulletin ; 1558-A,B)
Exploration for porphyry metal deposits based on rutile distribution-- a test in Sumatera : a new exploration tool for porphyry deposits in the tropics / by Eric R. Force, Sukirno Djaswadi, and Theo van Leeuwen. Titanium mineral resources of the United States-- definitions and documentation / by Eric R. Force and Langtry G. Lynd
(Contributions to the geology of mineral deposits) (Geological Survey bulletin ; 1558-A,B)
No collective t.p. Titles transcribed from individual title pages
Physical description for original version: 1 v. (various pagings) : 24 cm
書誌注記
Includes bibliographies
原資料等に関する注記
原資料の出版事項: [Reston, Va.?] ; Alexandria, VA : Dept. of the Interior, U.S. Geological Survey : For sale by the Distribution Branch, U.S. Geological Survey, 1984