 | | Journal (article/letter/editorial) | | two of the three titanium dioxide polymorphs, anatase and rutile (Cook 2002, 2003). Only brookite remains...this issue. Unlike rutile, and to a lesser extent anatase, brookite is perhaps best known to micromounters...alpine-cleft-type occurrences, where it is found with anatase, rutile, titanite, quartz, adularia, albite, hematite...concentrates, but generally not as a collectible species. Dr Robert B. Cook, an executive editor of Rocks & A4inerals...transparent crystals to 2 mm, associated with anatase. rutile, zircon, and quartz, in cavities exposed |  | | Journal (article/letter/editorial) | | 101} or { 11I }. Twinning on (01 I } and contact Dr. Robert B. Cook, an executive editor of Rocks & Minerals...pyrolusite, and plattnerite, and is trimorphous with anatase and brookite. Rutile is popular as a collector’s...Commonly associated minerals include ilmenite, anatase, brookite, hematite, quartz, titanite, chlorite...associated minerals, including quartz, feldspars, anatase, brookite, hematite, carbonates, pyrite, titanite...weighing several ounces have been found in the Busanga region and in tin deposits at Kibara, Zaire. Excellent |  | | Journal (issue) | | to Shaba about 20 years ago, after the Belgian Congo became Zaire in 1960. “ Shaba” means “copper” in...1880’s, Leopold II conceived of establishing a Congo Free State which would come under his sole sovereignty...determined that Katanga would remain part of the Congo Free State. In 1885, Leopold II was finally able...able to proclaim the birth of a new country, the Congo Free State, but this proclamation was not to be officially...officially recognized until 1890. In 1886, the Congo Free State created its own army, called the Public |  | | Report (issue) | | lately President of the Iron and Steel Institute. *Dr. F. H. HATCH, Consulting Mining Engineer, forn1erly... \V. 1\-IOYERS, Esq., Messrs. H. A. Watson & Co. Dr. T. A . HENRY, Secretary. l\fajor A. D. LUMB, M.C...Indo-China, Japan, Siam . 84 Africa : Belgian Congo, Portuguese East Africa, South-\.vest Africa 91...hrematite, limonite, pyrite, arsenopyrite, chalybite, anatase, brookite, scheelite, ga!ena, native copper, colurnbite...the output of dredging operations SIAM-BELGIAN CONGO 9I amounted to 32 per cent. of the total production |  | | Journal (volume) | | Beadon, C W. H. M Bell, J. Bell Reef Belgian Congo R. B. Young (p.t.) of in Colorado ip.t.).........(p.t.) Concrete Mine-Supports, Reinforced (P-t.) Congo, Mineral Resources of Belgian 8. H. Ball & M. K...Tube-Mills, Sliort Mineral Resources of Belgian Congo Report Tin, Analyses of Tin 74 H Shamva Shamva... Gill-Jenkins Mineral Resources of the Belgian Congo.... S3; Jwe^? H. Ball & Millard K. Shaler 49 Early...Explosives Company on the handling of explosives, and Dr. Irvine of the * ' Crown Mines on ambulance work |  | | Journal (volume) | | Course A. & Z. Daw CompreSKcd Air Power (m.d.) Congo State, Mining in Report Consolidated Goldfields... Walter G. A. Smith Quartz-Dust by the Konimeter Dr. A. W. Rogers Assaying Methods at Globe & Phoenix..." Microscopic Examina- tion of Ore Minerals "...Dr. Arthur Holmes Davies' " Introduction to Palaeontology"...Hillebrand's "Analysis of Silicate and Carbonate Rocks" Dr. Arthur Holmes Letters to the Editor Company Reports...years the jected to the test in Latin. inability of Dr. Percy to accommodate himself to the views of other |
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