 | | Report (issue) | | ••• ••• ••• • •• ••• ••• • •• •• • 71 Colombia ••• ••• ••• ••• ••• ••• • •• ••• 72 ...ind11strial application, althougl1 the natural alloy osmiridium is of considerable value for its iridium-content...from placer deposits, in which, excepting the osmiridium fields of Tasmania and Papua, platinum is found...and the Chooo district of Colombia ; but in recent years Tasmanian osmiridium has become an important source...of osmium is usually given as about 2,500°0. Osmiridium occurs native in two principal varieties, known |  | | Report (issue) | | PRINTING OFFICE, WASHINGTON 1969 UNITED STATES DEPARTMENT OF THE INTERIOR WALTER J. HICKEL, Secretary ...~inor deposits __________________ ----- _____ _ Colombia _____________________________________ _ History...location of principal mining claims on the Salmon River and its tributaries__________ 21 30 36 52 54 61..._________________________ 22. Composition of osmiridium from Witwatersrand__________________________..._________________________________ 28. Osmiridium from Colombia ____________________________________ |  | | Report (edition) | | • I ' IMPERIAL INSTITUTE MINERAL RESOURCES DEPARTMENT ' ' • • ' PLATINU ' ALLIED ETAL (Second...• • IMPERIAL INSTITUTE MINERAL RESO U RCES DEPARTMENT . Reports on the Mineral Industry of the ....Argentina • • • • Brazil • • • • .. Chile • • Colombia • • • • Netherlands East Indies • Japan • •...for over 90 per cent . .of the world's output, Colombia contributing most of the remainder, although unimportant...information about the platinum industry in that country. Colombia still retains an important place, while other |  | | Journal (issue) | | are exposed along tributaries of the Guadalupe River. The average thickness of the Cow Creek Limestone...the Hill CountTy of south-central Texas, Texas Department of Water Resources Report 273, 73 p. Calcitefills...exposed at other localities along the Guadalupe River and its tributaries. It is not clear to me whether...Group Element (PGE) Minerals of the Atrato River, Choco, Colombia By Tony Nik:ischer tony@excaliburmineral...Magnificent Mineral Deposits By Dr. Pete J. Dunn Department of Mineral Sciences, Smithsonian Institution |  | | Report (issue) | | ••• Brazil •• • ••• •• • Chile .. . • •• ••• ••• Colombia • • • ••• ••• Dutch Guiana ••• ••• Ecuador •••...more of iron, bismuth, pa.lladit1m, rhodium, and osmiridium are _p resent. According to the percentage of...the cJ anide mills of the Rosario mines, in the department of Tegucigalpa, the ores t1·eated being principally...ga,nized by civil disturbances), Brazil, Chile, Colombia, Ecuador, Peru and the Japanese Empire; .while...••• ~: Chile ••• • •• ••• ., ,., Brazil , ••i Colombia • •• ••• ••• ... • • • Ecnador • • • ••• Peru |  | | Book | | Mining and Metallurgical Engineers, Canadian Department of Mines to further PREFACE vii (Mines...Canadian Department of Mines, Geological Survey: Memoirs, etc., Ottawa. Canadian Department of Mines...Atlantic Seaboard and the area north of the Ohio River, the large, easily worked limestone. cost of transportation...are definitely angular. usually of small grain. River sands and gravels are of varied sizes and are less...beach is impossible. and marine, lake bottom, and river or stream deposits, may be distinguished, but the |  | | Journal (volume) | | G. A. ROUSH, A.B., M.S. ASSISTANT PROFESSOR, DEPARTMENT OF METALLURGY, LEHIGH UNIVERSITY ASSISTANT SECRETARY...Bureau of Mines, Corvallis. James Roderick, Chief Department of Mines, Harrisburg. O. E. Ellerman, State Mine...Inspector of Coal Mines, Seattle. Earl Henry, Chief, Department of Mines, Charleston. vii % VALUE OF FOREIGN...Mexican. .8917 .8890 .8529 .8711 .8248 .9073 Colombia Gold... Dollar. . 8343 .8641 .8824 .8362 .8573...appreciation of the conditions affecting it in its department, and widely disseminated, will promote the national |  | | Report (issue) | | Empire Central American Countries Chad Chile China Colombia Congo Costa Rica Cuba Cyprus Czechoslovakia 501...the Petroleum Finance Ru Natural Resources Department, Amex Bank Limited, 120 Moorgate, London EC2P...Canada 52-8 52-1 ESAS 35-0 S2e7, Brazil 7-6 7-8 Colombia 8-2 9-3 Other Latin America 16-9 23-4 Philippines...excessive tax rebates on exports and the US. Treasury Department has now determined that all Spanish zinc arriving...producer basis. During the year the U.S. Justice Department instituted an enquiry into zinc pricing and sought |  | | Report (volume) | | DEPARTMENT OF THE INTERIOR BULLETIN UNITED STATES GEOLOGICAL SURVEY No. 177 WASHINGTON GOVERNMENT...114 114 114 115 117 'LETTER OF TRANSMITTAL. DEPARTMENT OF THE INTERIOR, UNITED STATES GEOLOGICAL SURVEY...sites in the hydrographic basin of the Arkansas River, Colorado, by A. H. Thompson, pp. 429-444. Report...and H. L. Smyth; with a chapter on the Sturgeon River Tongue, by W. S. Bayley, and an introduction by...notes by Dr. T. S. Brandegee, pp. 213-216. Priest River Forest Reserve, by John B. Leiberg, pp. 217-252 |  | | Book (volume) | | Ordnance: History and Con¬ Late R.A. Manager, Gun Department, Elswick Works, Newcastle-on-Tyne. Lieut.-Col...Museum of Natural History, New York. Curator of Department of Vertebrate Palaeontology. Palaeontologist... r Lawrence Johnston Burpee. Assistant in Department of Mineralogy, British Museum. Formerly Scholar...F.Z.S. f Senior Assistant, Natural History Department of the British Museum. Catalogue of Marsupialia... Captain, R.N. S. G. 0. Naval Mobilization Department, Admiralty, London. Sidney George Owen, M.A |
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