 | | Journal (article/letter/editorial) | | 277 Pandaite from the Mrima Hill niobium deposit (Kenya) By P. M. HARRIS, B.A. Warren Spring Laboratory...barium pyrochlore (pandaite) has been found at Mrima Hill (Kenya) in a residuum consisting mainly of goethite/limonite...physical, chemical, X-ray, and thermal properties the Mrima pandaite is similar to pandaites described from...niobium in the weathered residuum of the Mrima Hill (Kenya) carbonatite in association with Overseas...several samples t h a t had been collected b y the Kenya Mines and Geological Department. As a result it |  | | Journal (article/letter/editorial) | | mineralization at the Buru carbonatite centre, Western Kenya I. O. ONUONGA1,* AND P. BOWDEN2 1 Department...centre at Buru hill is located towards the eastern end of the Nyanza rift, western Kenya. As revealed by...characterized by goethite, hematite, psilomelane, baryte, fluorite with minor calcite, bastnäsite and significant...ferruginous calciocarbonatite containing siderite, baryte and fluorite, a greater proportion of bastnäsite...possible to use a modern sample of water from the Kenya rift to estimate the equilibration temperature at |  | | Journal (article/letter/editorial) | | Northumberland: baryte, gypsum, halite, marcasite, pyrite, sideronatrite, 983. Sandford Hill, Weston-super-Mare...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. |  | | Journal (article/letter/editorial) | | the weathered rocks surrounding the Mrima Hill carbonatite, Kenya, (Coetzee and Edwards, 1960), where...it is considered to have formed from weathered baryte, apatite, and aluminous material. In the Tanzanian |  | | Journal (article/letter/editorial) | | References BAKER (B. H.), 1954. Rept. Geol. Surv. Kenya, no. 27. BO~LEu (G. D.), 1963. Min. Mag., vol. 33...the weathered rocks surrounding the Mrima Hill carbonatite, Kenya, (Coetzee and Edwards, 1960), where...it is considered to have formed from weathered baryte, apatite, and aluminous material. In the Tanzanian |  | | Journal (article/letter/editorial) | | and Sweden, opt. 508. Barwell meteorite, 881. Baryte, Northumberland, 983. Basalt, solubility at atmospheric...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, |  | | Journal (issue) | | Number59 Lead-zinc deposits of the Coast Province of Kenya and some exploration guidelines Overseas Geology...Kinagoni Mine 7 4 Geological section, Kinagoni Mine North 8 5 Geological section, Kinagoni Mine South 9...1982 Lead-zinc deposits of the Coast Province of Kenya and some exploration guidelines S. F. BUGG ABSTRACT...Per1110-Triassic rocks of the Coast Province of Kenya several small and one large occurrence of lead mineralisation...plain. The largest of these occurrences, at Kinagoni Hill is composed of a stockwork of minor veins within |  | | 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) |  | | 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 |  | | Book | | carbonatitic-alkaline province outcropping on the Kenya-Uganda border which have recently received significant...domain characterized East Africa from Madagascar and Kenya-Ethiopia to northeastern Sudan. It represents the...Popoff 1988a). Like the Atlantic Benue trough, the Kenya-Sudan Mesozoic trends could correspond to a failed...Segoufin and Patriat 1981; Mougenot et al. 1986). The Kenya-Sudan Mesozoic troughs hypothetized above could...East-African rift. This suggests that the Mesozoic NW-SE "Kenya-Sudan" rift-system has been reactivated, similarly |  | | Report (issue) | | IRELAND ISRAEL ITALY JAMAICA JAPAN JORDAN KAZAKHSTAN KENYA KOREA, REPUBLIC OF KUWAIT KYRGYZSTAN LAO PEOPLE’S....................................... 51 6.5.8. Kenya ..................................................century mining of niobium ore (pyrochlore) in the Söve mine was carried out extracting annually between 1 200...Blind River-Elliot Lake area (Modified from C. M. Hill et al) [42]. When uranium mining in the said area...thorium had to be revised. Due to the closure of mine followed 27 by decommissioning the ore is no |  | | Report (issue) | | 99) Sheet area tl1e primary survey of the Bredon Hill area, supplemented by information from t\VO exploratory...notifications included one for coal in a licensed mine in Scotland, and the others were : tin ore 70, iron...these are as follows : T¼·o boreholes at Bredon Hill (Sheet 199) [SO 9577 3996 and SO 9643 3 788] gave...Authorities the Mi11istry of Transport and \ivith county councils and their consulta11ts in respect of motor...Central Wales Unit, advised the Worcestershire County Cou11cil on landslip problems in glacial deposits |  | | Book | | fractures in altered greenstones from San Benito County, California, is reported with 20.57 wt.% RE2 0...partial patterns of lanthanite(Ce) from the Britannia Mine, Wales, UK (Bevins et al. 1985) and oflanthanite-(N... Brazil (a) and lanthanide-(Ce) frorn Britannia Mine, UK (b) 16 F. Cesbron 6 REE Minerals and Related...New data on cerian vesuvianite from San Benito County, California. Am Mineral64:367-368 Da! Negro A,...and geology ofradioactive raw materials. McGraw-Hill, New York Henderson P (1980) Rare earth element |  | | Report (issue) | | .B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agency’s...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011......................F4. Pie chart showing percentage of world cobalt mine production in 2011, by country................. |  | | Book | | come not merely from one district but from a single mine. Thus the physical properties of many rocks and...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source...chrysotile. One of these bodies is worked at the Advocate Mine near Baie Verte. The canoe-shaped body is contained...and mill no. 1 at Black Lake, Bell’s underground mine and mill at Thetford Mines, and Lac’s open pit and...Ltée. The second operation, the famous Jeffrey Mine, located at Asbestos some 100 miles east of Montreal |  | | Book | | originally found coating cerite 2 33 2 at the Bastnas mine, Vastmanland, Sweden (Lindstrom, 1 9 1 0 ) ; now...product o f allanite in a pegmatite at Baringer Hill, Llano Co., Texas, and at several other localities...( C e , L a ) ( C 0 ) . Monoclinic. Found in a baryte-dolomite rock at 2 34 Mountain Pass, San Bernardino...Occurs at Ytterby in S w e d e n , Barringer 3 34 3 2 Hill in Texas, and several other localities. It is formed...cavities in granite pegmatite at the Evans-Lou feldspar mine, Quebec (Hogarth et al., 1 9 7 4 ) . 3 6 . 1 6 wt |  | | Report (issue) | | must know not only in which direction a particular mine opening should be extended to continue in an ore...changing as the advance of technology permits us to mine or process minerals that were once too low in grade...technologic advances will make it profitable to mine resources that would be much too costly to produce...are at least a few prematurely deserted mills and mine installations built on the expectation of finding...ed., Our oil resources [2d ed.]: New York, McGraw-Hill, p. 137-153. Rodionov, D. A., 1965, Distribution |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | . . . . . . . . . . . . . . . . . . . . . . . . Mine Safety and Health Law . . . . . . . . . . . . ....Electronic edition published 2009. Vincent G. Hill Stanley T. Krukowski Retired Mandeville, Jamaica...Engineering and Technical Development Center Church Hill, Tennessee Ben Koopman Virginia T. McLemore Department...omine, and rare-earth elements. In a lar ge diamond mine, for e xample, 50 percent o f the annual revenue...anization varies from a multimillion-ton surface mine using large excavators to a hand-dug pit with product |
|
