 | | Journal (article/letter/editorial) | | High, Yorkshire: azurite, lxxxvi Cornwall Geevor mine, Pendeen, St. Just-inRoseland: uraninite, xc Hingston...1081 South Crofty mine, Illogan, Redruth: coffinite, uraninite, xc South Terras mine, St. Stephen-inBrannel:...Derbyshire Calton Hill: olivine, ortho- and clinopyroxene, spinel, 483 Golconda mine, Hopton: auricha]cite...Edge: aurichalcite, 441 Masson Hill, Matlock: cinnabar, xc Nestus mine, Matlock Bath: aurichalcite, 441...Wood: coffini~e, uraninite, xe Staffordshire Ecton Hill, Wetton: aurichaleite, celesfine, hydrozincite, |  | | Journal (article/letter/editorial) | | marcasite, pyrite, sideronatrite, 983. Sandford Hill, Weston-super-Mare, Somerset: beudantite, cerussite...wo]framite, 995. Pengenna mine, St. Kew: meneghinite, 424. South Terras mine, St. Stephen-in Brannel:...argentojarosite, li. WALES Benallt mine, Rhiw, Caernarvonshire: celsian, 508. Clogau mine, Dolgelly, ~ier.ionethshire:...ionethshire: tellurbismuth, 424. Vigra mine, Dolgelly, Merionethshire: tellurbismuth, 424. SCOTLAND Morar...feldspars, 693. Kilrean: prehnite, 234. Meenlargan Hill: prehnite, 234. Rosses granite: feldspars, 975. |  | | Report (issue) | | IRELAND ISRAEL ITALY JAMAICA JAPAN JORDAN KAZAKHSTAN KENYA KOREA, REPUBLIC OF KUWAIT KYRGYZSTAN LAO PEOPLE’S...China (2), Egypt, Ghana, Islamic Republic of Iran, Kenya, Madagascar, Mongolia, the Philippines, Ukraine...FROM SELECTED ALKALINE CARBONATITE COMPLEXES OF KENYA ..................................................characterizing and evaluating national uranium resources; Kenya focused on development of analytical techniques;...INVESTIGATORS FOR CRP IAEA Institute Member State City Kenya University of Nairobi Nairobi Title Multimodal |  | | Book | | RESOURCES OF KENYA By WILLIAM PULFREY. M.Sc., Ph.D., F.G .. , Assoc.Inst.M.M. Sniior Geolo!list, Kenya Colony...RESOURCES OF KENYA By WILLIAM PULFREY, M.Sc., Ph.D., F.G.S., Assoc.lnst.M.M . . Senior Geologist, Kenya Colony...282 283 283 284 285 Production of Minerals in Kenya Gold and Silver . Soda Products Other Minerals of... • ILLUSTRATIONS PlaJe No. I. Rosterman Gold Mine, Kakamega . facing p. 288 Lake Magadi and the... 289 p. 289 II. Simplified Geological Map of Kenya ( In pocket) Mineral Map of.Kenya ( Map Showing |  | | Book (edition) | | localities as inclusions in the limestone”’ (italics mine). Actually, the first published description of...most of the field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although his...accepted the idea of an igneous origin for the Iron Hill carbonatite. In 1924 Bowen, who had visited the...carbonatite dikes cutting the kimberlite of the Premier mine (p. 542) he classed as magmatic, but 1 Bowen admitted...Cove, Arkansas (Erickson and Blade, 1963), Iron Hill, Colorado (Olson and Wallace, 1956), Mountain Pass |  | | Journal (article/letter/editorial) | | refractory minerals (e.g., zircon, rutile, and ilmenite). Although both placer and HMS deposits may result...xenotime, whereas HMS operations usually target ilmenite, rutile, and zircon, and may produce monazite...an impurity during titanium mineral (primarily ilmenite, rutile, and leucoxene) and zircon production...Average importance of other non-REE minerals (e.g., ilmenite, rutile, Reliability Mineral TREO + Y TREO + Y...NR NR Subtotal 8 115 NR NR 1.41 7,557 NR NR NR Kenya Carbonatite 2 163 3.6(1) 0.27(1) 3.9 6,286 450(1) |  | | Journal (article/letter/editorial) | | of Newcastle, New South Wales, Australia, 2Broken Hill Proprietary Company Limited, Central Research Laboratories...Weld, Western Australia Finland, Brazil, Guyana, Kenya, Tanzania, Zaire and Uganda (McNeil, 1979; Erdosh...amounts of resistant primary minerals including Nb-ilmenite, Nb-rutile, baddeleyite, zircon, magnetite and...subsequent incorporation of Nb into late-crystallized ilmenite and rutile. B-site deficiencies in pyrochlore...Appreciation is expressed to the Management, Broken Hill Proprietary Company Limited, Central Research Laboratories |  | | Journal (article/letter/editorial) | | Bearpaw Mtns., Montana, pseudoleucite, 596. Benallt mine, Rhiw, Caernarvonshire, celsian, 508. Berek compensator... 2rid edn, Vol. 2, 554; Vol. 3, 1022. Boqueirdo mine, Parelhas, Rio Grande do Norte, Brazil, leucophosphite... 200. Brazilianite, Brazil, d.t.a., 427. Brejui mine, Currais Novos, Rio Grande do Norte, Brazil, bismuth...Mechanism of decomposition of serpentine, 189. Broken Hill, New South Wales, plagioclase, 488. Bromellite,... Capo di Bavo, Rome, leucite, 596. Cariboo gold mine, Wells, British Columbia, scheelite, 995. CARN~mO |  | | Journal (article/letter/editorial) | | considered to be attractive targets by Mountain Pass mine in California. Mountain Pass was for companies and...world and are often processed as by-products of ilmenite, zircon, and cassiterite mining. These monazites...(Australia), Araxá and Catalão I (Brazil), Mrima Hill (Kenya), Mabouni (Gabon), and several other carbonatite...sources of by-product xenotime, especially from ilmenite and cassiterite mining. The stoichiometric value...mineralogy • 24 Llano, Baringer Hill, TX Xenotime, etc. • 25 Harding Mine, NM Xenotime, etc. • 26 Maw |  | | Journal (article/letter/editorial) | | significantly elevated concentrations of Nb-rutile, Nb-ilmenite, magnetite, zircon and pyrochlore to distinct.... . . . . magnetite pyrochlore zircon Nb-ilmenite Nb-rutile . . . . . . . . . . . ....pyrite pseudomorphs amphibole pyrochlore zircon Nb-ilmenite Nb-rutile baddeleyite betafite feldspar . . ...apatite, plumbogummites, goethite, cerianite, ilmenite, quartz and Mn minerals. Investigations of numerous...goeth=goethite; hem=hematite; holl=hollandite; ilm=ilmenite; kao=kaolinite; lep=lepidocrocite; mag=magnetite; |  | | Report (issue) | | able.pdf. Cover. The Mountain Pass Mine, San Bernardino County, California, was the only active producer...............................................O21 Mine Waste Characteristics.........................................................................O22 Mine Closure...........................................Figures O1. O2. O3. O4. O5. Graph showing world mine production of rare-earth oxides, by country and...O6 Photograph of the Mountain Pass Mine in San Bernardino County, California, which was the only active |  | | Report (issue) | | ~port- - - - -- - - - - - - - - Graph showing world mine production of niobium concentrate, for selected...larger, than was established when the decision to mine was made. Experts with a sound knowledge of a deposit...1970 1975 1980 1985 1990 • Year 2. World mine production of niobium concentrate, for selected...production is dominated by three producers that mine pyrochlore; the Araxa open pit in Minas Gerais,...state, also in Brazil, and the Niobec underground mine in Quebec Province, Canada. The Brazilian position |  | | Report (issue) | | Report No. 45 COLONY AND PROTECTORATE OF KENYA MINISTRY OF COMMERCE Ä N D INDUSTRY GEOLOGICAL SURVEY...of South Nyanza, in the south-western corner of Kenya. It is a most important area as in its northern...there at an earlier date. The Macalder gold-copper mine lies in the south-west part of the area, and a brief...Rusinga Island 49 Fig. 6—Geological section of Kiahera hill, Rusinga Island 52 Fig. 7—Sketch section of the...1,400 square miles of South Nyanza, in western Kenya, on the shore of Lake Victoria! The land area is |  | | Report (volume) | | Alma-ata, U.S.S.R. Kenya Geol. Survey Bull.-Geological Survey of Kenya Bulletin. Nairobi, Kenya. Khim Anal.... Oak Ridge, Tenn. Nucleonics-Nucleonics. McGraw-Hill Publishing Co. New York, N.Y. Nuevo Cimento-11 Nuevo...Monazite deposits in calcareous rocks, Northern Lehmi County, Idaho: Idaho Bur. Mines and Geology Pam ph. 99...Beryllium deposits of the Mount Antero region, Chaffee County, Colorado: U.S. Geol. Survey Bull. 982-D, p. 95-119...Rhabdophane from a rare-earth occurrence, Valley County, Idaho, in Geological Survey Research 1968: U.S |  | Taylor, Ryan D., Shah, Anjana K., Walsh, Gregory J., Taylor, Cliff D. (2019) Geochemistry and Geophysics of Iron Oxide-Apatite Deposits and Associated Waste Piles with Implications for Potential Rare Earth Element Resources from Ore and Historical Mine Waste in the Eastern Adirondack Highlands, New York, USA. Economic Geology, 114 (8) 1569-1598 doi:10.5382/econgeo.4689 | Journal (article/letter/editorial) | | Earth Element Resources from Ore and Historical Mine Waste in the Eastern Adirondack Highlands, New York...mined in the United States since the Mountain Pass mine, California, was put on care and maintenance at...of secondary hematite and ilmenite can occur in some of the deposits. Ilmenite forms as exsolution lamellae...boundaries and fractures within magnetite. Rarely, ilmenite with hematite exsolutions has been noted (Lupulescu...boulder-sized clasts pulled from the mine and deposited near the mine openings, and tailings piles, which |  | | Book | | MINERALS& GEMSTONES of East Africa Burundi, Kenya, Rwanda, Tanzania and Uganda Bruce Cairncross Published...Africa 10 East African resources 12 Burundi 13 Kenya 14 Rwanda 16 Tanzania 17 Uganda 20 Gemological properties...through Tanzania, Kenya, Ethiopia and into the Sudan - has blessed East Africa, Kenya and Tanzania, with...now mainland Tanzania) and then progressing to Kenya - I am proud to say that the coloured gemstones...fact is that both of the national gemstones of Kenya and Tanzania (tsavorite and tanzanite, respectively) |  | | Journal (article/letter/editorial) | | Kimberlites and Their Ultramafic Xenoliths from Western Kenya M. Ito With 6 Figures Received December 11, 1985;...aeromagnetic anomalies in Nyanzian terrane in western Kenya. Three kimberlites, Y1B1, Y1B3 and YA17, are composed...development. Western Kenya kimbedites are free of mantle-derived chromian garnet, ilmenite and spinel. Olivines...YA17 kimberlite. Ultramafic xenoliths in western Kenya kimberlites consist mainly of garnet-free harzburgite...A1203, CaO and Na20. The emplacement of western Kenya kimberlite diatremes is considered to have been |  | | Report (issue) | | More. Also, 877 ft of strata were examined in a mine drift. Inquiries : The number of inquiries has now...of Hydro logical Research Committee on climatic (hill) peat. Dr. W. Bullerwell served on the R.S. Jolin...maintained with Cumberland, Westmorland and West Riding County Councils on the M6 (where the I 11stitt1te carried...M l and Trans-Pennine motorways. Worcestershire County Cou11cil and the Droitwich Developrnent Authority...Reservoir, and the highway engineers of Glamorgan County Council were assisted in their i11vestigations |  | | Report (volume) | | yielded 16,230.7 tons during 1953-56 (Pike, 1958). The mine closed in March 1959 but reportedly was reopened...Shield, Canada. Granophyre_______________ Fairfax County, Va •.. Granite (Boundary Peak California ____________...________________ _ Nepheline syenite_________ Augusta County, Va•• Phonolite and tephrite. ___ Kaiserstuhl,... U.S.S.R. Teschenite __ -------------- Augusta County, Va __ 13 8 8 (1962). ----------------------2...U.S.S.R. Picrite _____________________ Augusta County, Va __ 4 7. 8-14.1 Gottfried and others 11 (1962) |  | | Journal (issue) | | MOLYBDENITE TANTALITE AMBL YGONITE COLUMBITE RUTILE ILMENITE BERYL ZIRCON AND OTHER MINERALS BUYERS OF...the Colonies With appende,d summary reports on: Kenya . Uganda • Tanganyika . • • • • • • Northern...Resources COLONIAL GEOLOGICAL ABSTRACTS Part I .-Kenya . • • • • •• Vll ••• Vlll CONTENTS PAGE...selection of these abstracts deals exclusively with Kenya. Papers published since 1950 have been abstracted...Depths of the Earth.'' 598 pp. (New York~ McGraw-Hill Book Company.) 1944. '' Volcanism and petrogenesis |  | | Journal (article/letter/editorial) | | % from tin slag refining and 10 % from secondary mine concentrates. Due to rapid industrialisation and...Canada account for about 92 and 7 % of Nb world mine production, respectively. Since the bulk of the...the start-up time for new operations. The Kenticha mine (Ethiopia) is a past producer that may re-enter...studies on new developments) are required in any mine as price levels vary for each deposit and are dependent...concentrate buyers. In western countries, a typical mine may take more than 3 years to put into production |  | | Report (issue) | | INSTRUCTIONAL COURSES AND SPECIALIST Ass!STANCE KENYA UGANDA TANGANYIKA 44 NORTHERN RHODESIA. 48 57...Building, London Frontispiece Activities of the Kenya Geological Survey Jacingp. 30 Headquarters ofthe...Islands ,, 117 Text-fig. 1 Geological Mapping in Kenya page 30 Text-fig. 2 Establishment and Strength of...dealing with the individual countries concerned. In Kenya, for instance, 17,790 sq. miles had been geologically...Jur assic and Cretaceous sediments in north-east Kenya and ofKarroo to Recent sediments near the coast |  | | Report (Issue volume) | | here included tl1e geological mapping programme in Kenya by a team from Bedford College and Leicester University...to take up an appointment with the Hertfordshire County Council, and Mr. A. H. Goodwin, Scientific Assistant...after a period of approved employment with the Kenya Government. Dr. E. I. Hamilton resigned his fellowship...I. 1964 22 Nyasaland 5, Northern Rhodesia 4, Kenya 3, Tanganyika 3, Jamaica 2, Uganda 2, Britisl1 Guiana...1965 19 British Guiana 2, Fiji 1, Jamaica 1, Kenya 1, Sierra Leone I, Swaziland 1, Tanzania 4, Uganda |  | | Journal (article/letter/editorial) | | re-evaluated [e.g. Oka (Canada); Fen (Norway); Panda Hill (Tanzania)] for their economic potential. Although...only operating Nb mine in under-saturated peralkaline syenites is the Karnasurt mine (Kremenetsky et al...solutions in Sn–Ti–Ta minerals such as cassiterite, ilmenite, rutile, ixiolite, wodginite, and columbite–tantalite...minor-to major element in many titanates (rutile, ilmenite, titanite), zirconolite, and other titanosilicates...melilitite–nephelinite complex of Kisingiri-Rangwa, Kenya (Le Bas, 1977). Here an eroded volcanic cone consisting |  | | Journal (issue) | | GAMBIA GIBRALTAR GOLD COAST HONG KONG JAMAICA KENYA LEEWARD IS. MALAYA MALTA MAURITIUS NIGERIA NORTH...Resources of Kenya. By William Pulfrey, M.Sc., Ph.D., F.G.S., Assoc. Inst. M.M., Senio,y Geologist, Kenya Colony...Edition. Pp. xvi + 312, 81 x 5f. (London : Leonard Hill, Ltd., 1947.) Price 35s. Tl1is work was first published...xviii 494, g¼ X 6. (New York and London: McGraw-Hill Book Co., Inc., 1947.) Price $5.00. In view of the...Pp. xi 326, 9 X 6. (New York and London: McGraw-Hill Book Company, Inc., 1947.) Price 27s. THE SKYSCRAPER |
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