| barium-strontium pyrochlore in a biotite roclc from Panda Hill, Tanganyilca. 1 B y E. J~iGE~, Ph.D., and E....biotite rock (contact-rock of a carbonatite) from Panda Hill, Tanganyika, as small euhedral yellowish-grey...pandaite, from Panda Hill, is proposed for the new mineral. N the concession area of the Mbeya E x p l o r...r a t i o n C o m p a n y ~ (Mbexco) near Mbeya (Tanganyika) (fig. la) Dr. J. F. 0sten, former geologist...and the Colonial Development Corporation. 2 The Mbeya Exploration Company Ltd. (Mbexco) is jointly owned |
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Fick, L. J., van der Heyde, C. (1959) Additional data on the geology of the Mbeya carbonatite. Economic Geology, 54 (5) 842-872 doi:10.2113/gsecongeo.54.5.842 |
Journal (article/letter/editorial) |
| 842-872 ADDITIONAL DATA ON THE GEOLOGY OF THE MBEYA CARBONATITE L. J. FICK AND C. VAN DER HEYDE....................... Geological setting of the Mbeya Carbonatite ............................ Introduction........................ The Carbonafire-bodyat Panda Hill and its associatedcontact and 851 dike-rocks.......................... 863 864 Mineralogyof Mbeya Carbonatite.......................................been established during the development of the Mbeya Carbonatiteas an economicprospect subsequent to |
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Mitchell, Roger H. (2015) Primary and secondary niobium mineral deposits associated with carbonatites. Ore Geology Reviews, 64. 626-641 doi:10.1016/j.oregeorev.2014.03.010 |
Journal (article/letter/editorial) |
| decomposition of pyrochlore and formation of Nb-bearing rutile, brookite, and anatase. The Nb contents of the...re-evaluated [e.g. Oka (Canada); Fen (Norway); Panda Hill (Tanzania)] for their economic potential. Although...Sn–Ti–Ta minerals such as cassiterite, ilmenite, rutile, ixiolite, wodginite, and columbite–tantalite group...substituting minor-to major element in many titanates (rutile, ilmenite, titanite), zirconolite, and other titanosilicates...marianoite-wöhlerite solid solutions, niocalite, niobian rutile or niobian titanite, might exceed that of associated |
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(1959) New Mineral Names. American Mineralogist, 44 (11-12) 1321-1329 |
Journal (article/letter/editorial) |
| barium-strontium pyrochlore in a biotite rock from Panda Hill, Tanganyika, Minerol,og.Mag.,32, 10-25 (1959)...a roof pendant of the Mbeya (also called the Panda Hill) carbonatite, near Mbeya, Tanganyika. The rock...quartz, apatite, zircon, chlorite, piagioclase, rutile, and heamatite. Analysis of a sample dried at 110'...42, apatite 0 92, cassiterite 0.32, quartz 0.33, rutile 0.15/s, giving the formula (Bao soSrozzCaoo;Ce...5 9 1 ( 7 0 ) . The name is for the locality, Panda Hill, and is suggested for minerals of the pyrochlore |
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Heinrich, E. William (1980) The Geology of Carbonatites - Reprint Edition with Supplementary Material. Robert E. Krieger Publishing Co. Inc. |
Book (edition) |
| and A. Holmes (1950) : Tanzania Geological Survey and N. J. Guest (1954) : Tanzania Geological Survey and...Tidsskrift and K. S. Heier (1961) Figure 15-9: Tanzania Geological Survey and N. J. Guest (1954) Figure...Jr., completed most of the field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913...accepted the idea of an igneous origin for the Iron Hill carbonatite. In 1924 Bowen, who had visited the...pyrochlore-rich carbonates (e.g. in Oka, Araxa, Fen, Mbeya) has removed Nb from the category of “rare’’ elements |
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(2014, March) Geobulletin Vol. 57 (1) Geological Society of South Africa |
Journal (issue) |
| Media Monitor 42 Antony Cowey The Geotraveller 48 Tanzania Other Business 54 Classifieds GSSA GB (GEOBULLETIN)...Then they visited Balmoral kimberlite, Kimberley region, South Africa”. the Oga Dam Lake, about 14 km...CAG in Dar es the 6th annual Igneous Salam, Tanzania, which certainly will be an equally and Metamorphic...spectacular technique. On the 7th of February 2014 Tanzania, with Dr. Nils Lenhardt. we held the first CCS...hazards at UP – first results from a new project in Tanzania Africa has ca. 150 volcanoes that are listed as |
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(1993) International strategic minerals inventory summary report; niobium (columbium) and tantalum. Circular 930. US Geological Survey doi:10.3133/cir930m |
Report (issue) |
| Most production appears to be centered in the region of the major alkaline intrusive complexes of Lovozero...Peninsula and Vishnevogorsk in the middle Ural region. • Both niobium and tantalum are held on the U...~~-~'-'~· ec·I' Q ~. .r :!~;>'. ~, - . . · Mnma Hill TAPanda H'll NZANIA •axa Geolog;c d • · / ...Greenland United States Brazil Gabon Kenya Nigeria 2 Tanzania Uganda Zaire Malaysia2 · 3 Soviet Union3 Thailand2...figures quoted by ISMI for Greenland, Gabon, Kenya, Tanzania, and Uganda are not accorded status even within |
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(1955) Colonial Geology and Mineral Resources Vol. 5 (3) Colonial Geological Surveys |
Journal (issue) |
| Dam Site 292 Plate XVI • '' 292 Plate XVII Sena Hill, Lower Zambezi . • • • • Plate XVIII Bridge over...Text-fig. 1 Text-fig. 2 Sovite Dyke, Chigwakwalu Hill, Tundulu . facing p. • Xenoliths in Sovite, S.E...solution appeared to be the removal of Cox's Fort Hill, overlool<ing· the="" harbour,="" and="" dumping="" of="" the<="" span="">...able to point out, however, that some of Cox's Fort Hill and the adjacent area (which was planned for installation...necessary to· map carefully the area of Cox's Fort Hill and to calculate the quantities of black shale and</ing·> |
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NASH, W. P. (1972) Mineralogy and Petrology of the Iron Hill Carbonatite Complex, Colorado. Geological Society of America Bulletin, 83 (5) 1361 doi:10.1130/0016-7606(1972)83[1361:mapoti]2.0.co;2 |
Journal (article/letter/editorial) |
| Utah 84112 Mineralogy and Petrology of the Iron Hill Carbonatite Complex, Colorado determine what, if...are ubiquitously assotypes occurring in the Iron Hill carbonatite ciated. For this study I have chosen...Iron complex have been examined in order to deter- Hill carbonatite complex, one of the largest mine the...alkaline igneous rocks with which they are The Iron Hill carbonatite body, also known ubiquitously associated...south of the town of Gunnison. developed at Iron Hill. The carbonatites are The composite intrusion, occupying |
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Bizimis, Michael, Salters, Vincent J. M., Dawson, J. Barry (2003) The brevity of carbonatite sources in the mantle: evidence from Hf isotopes. Contributions to Mineralogy and Petrology, 145 (3) 281-300 doi:10.1007/s00410-003-0452-3 |
Journal (article/letter/editorial) |
| Island, S.Malawi Kangankunde, S. Malawi Nathace Hill, Tundulu, S. Malawi Deerdepoort, Pretoria Central...major/minor Age (Ma) Oldoinyo Lengai, Tanzania Museum Zone, Panda Hill, Tanzania Bukusu, Uganda The whole rock...the highest and lowest total REE contents (Nathace Hill, Oldoinyo Lengai) have the most fractionated REE...Bell and Simonetti, 1996). The data from the Panda Hill sample falls within the mantle array in the 207Pb/204Pb...143Nd/144Nd ratios than the C. The NC fraction from the Panda Hill and Deerdepoort samples have more radiogenic |
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Keller, Peter C (1992) Gemstones of East Africa. Geoscience Press, Inc. |
Book |
| gemological wealth of East Africa. This unique region encompasses ·what may be the world's richest gem...gemologist and geologist, Dr. Peter Keller. Kenya and Tanzania are revealed in their full mineralogical splendor...chrome tourmaline are widely identified with the region. ( continuedon backflap) ♦ ♦ ♦ ♦ ♦ ~...Conclusion 11 Chapter 2. Diamond Deposits of Tanzania 15 Location 16 Geology 18 Mining 20 Properties...Northern Province, Tanzania 28 Ruby and Sapphire from Umba, Tanga Province, Tanzania 32 Sapphire from Kenya |
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Johnson, Clark M., Bell, Keith, Beard, Brian L., Shultis, Aaron I. (2010) Iron isotope compositions of carbonatites record melt generation, crystallization, and late-stage volatile-transport processes. Mineralogy and Petrology, 98 (1) 91-110 doi:10.1007/s00710-009-0055-4 |
Journal (article/letter/editorial) |
| 2004; Anbar et al. 2005; Polyakov et al. 2007; Hill and Schauble 2008; Shahar et al. 2008). Although...ijolite, phonolite, nephelinite. Oldoinyo Lengai, Tanzania Still active Natrocarbonatite flows and tuffs...ijolite series rocks, nepheline syenite. Panda Hill, Tanzania 113±6 Mainly sövite but areas of ferrocarbonaite...dikes of dolomite carbonatite. Sengeri Hill, Tanzania Same as Panda? Dolomitic dikes. Dicker Willem, Namibia...other oxides that are more refractory, such as rutile. C.M. Johnson et al. Whole-rock powders of carbonatites |
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Melgarejo, Joan C., Costanzo, Alessandra, Bambi, Aurora C.J.M., Gonçalves, Antonio O., Neto, Andrés B. (2012) Subsolidus processes as a key factor on the distribution of Nb species in plutonic carbonatites: The Tchivira case, Angola. Lithos, 152. 187-201 doi:10.1016/j.lithos.2012.06.024 |
Journal (article/letter/editorial) |
| areas. Sr-, Ba- and Pb-pyrochlores and Nb-rich rutile replace earlier pyrochlore generations and are...oxidising conditions for mineral precipitation. Nb-rich rutile, gorceixite, Ba-rich K-feldspar and late Ba-poor...of primary ores have been converted to supergene rutile (Dardenne and Schobbenhaus, 2000). The Tchivira...Kα); orthoclase (K, Kα); wollastonite (Ca, Kα); rutile (Ti, Kα); rhodonite (Mn, Kα); Fe2O3 (Fe, Kα); celestine...in fluorite (Fl) partly infilled by quartz (Qtz), rutile (Rt) and type V pyrochlore (Pcl5). h) A detail |
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Harris, P. M. (1965) Pandaite from the Mrima Hill niobium deposit (Kenya) Mineralogical Magazine and Journal of the Mineralogical Society, 35 (270) 277-290 doi:10.1180/minmag.1965.035.270.03 |
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...of niobium in the weathered residuum of the Mrima Hill (Kenya) carbonatite in association with Overseas...described from only two other localities, P a n d a Hill (Tanganyika) the type locality (J~ger et al., 1959)...The purpose of this paper is to describe the Mrima Hill pandaite and to compare it with the other reported |
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Tkachev, A. V., Rundqvist, D. V., Vishnevskaya, N. A. (2020) Comparison of Supercontinent Cycles in the Metallogeny of Niobium. Geology of Ore Deposits, 62 (1) 49-68 doi:10.1134/s1075701520010067 |
Journal (article/letter/editorial) |
| Baerzhe; (35) Bonga; (36) Kaluwe; (37) Mrima Hill; (38) Panda Hill; (39) Oka; (40) Araxa; (41) Catalão I; (42)...Chuktukon Toongi Baerzhe Bonga Kaluwe Mrima Hill Panda Hill Oka Araxa Catalão I Catalão II Salitre Tapira...niobium resources is contained in Nb-rich hypergene rutile (ilmenorutile), and, partially, in Nb– brookite...the rest is located in ilmenorutile and Nb-rich rutile of the weathering crust. The Aley and Upper Fir... rippite (discovered at this deposit), Nb–rich rutile, and Nb–rich goethite. 56 TKACHEV et al. Ore |
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Tkachev, A. V., Rundqvist, D. V., Vishnevskaya, N. A. (2019) Main Features of the Historical Metallogeny of Niobium. Doklady Earth Sciences, 487 (1) 751-755 doi:10.1134/s1028334x19070092 |
Journal (article/letter/editorial) |
| Baerzhe; 35, Bonga; 36, Kaluwe; 37, Mrima Hill; 38, Panda Hill; 39, Oka 40, Araxa; 41, Catalao I; 42, Catalao...Amazon craton) with ores of the highest grade. Nb–rutile is of interest, along with local Nb–brookite and...pyrochlore, rippite (discovered here), and Nb-containing rutile and goethite [14]. The Ti–REE–Nb Afrikanda deposit...Bonga (the Congo craton); the Kaluwe, Panda Hill, and Mrima Hill (East African rift); and the Oka (Grenvillian...pyrochlore are weakly-weathered ones. Only the Mrima Hill massif has a thick laterite crust with the REEs |
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Wall, F., Williams, C. T., Woolley, A. R., Nasraoui, M. (1996) Pyrochlore from Weathered Carbonatite at Lueshe, Zaire. Mineralogical Magazine, 60 (402) 731-750 doi:10.1180/minmag.1996.060.402.03 |
Journal (article/letter/editorial) |
| the high cliffs on the northeastern side of Mutoro Hill contain up to 50% feldspar while some are rich in...found and sampled from the upper parts of Mutoro Hill. lxtterite The lower part of the weathering profile... r o a d or track ~ river + Lulime+ + + ~ + Hill + + + 500 m + ++~ ~++Q~+++ +++ + ~ + +~+ + + +...deposit. Inclusions of probable pseudorutile and rutile are common in weathered pyrochlore but no remaining...biotite rock at a carbonatite contact at Panda Hill, Tanzania (J~iger et al., 1959), and is also reported |
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Dixey, F. (1957) Colonial Geological Surveys 1947-56. Oveseas Geology and Mineral Resoures Supplement Series 2. Overseas Geological Surveys |
Report (issue) |
| that discovered by the Geological Survey at Mrima Hill in Coast Province. In Uganda, 7,100 sq. miles had...deposits of south-eastern Nigeria; the ilmenite rutile of Sierra Leone ; the manganese of British Guiana;...particularly Sukulu in Uganda, Mrima in Kenya, Mbeya and four others in Tanganyika, Nkombwa in Northern...gypsum in the Somaliland Protectorate, ilmenite-rutile in southern Nyasaland, and bauxite in Sarawak....carbonatites have been located, and that at Panda Hill, west of Mbeya in the south-west, having been examined |
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Lottermoser, B. G., England, B. M. (1988) Compositional variation in pyrochlores from the Mt Weld carbonatite laterite, Western Australia. Mineralogy and Petrology, 38 (1) 37-51 doi:10.1007/bf01162480 |
Journal (article/letter/editorial) |
| of Newcastle, New South Wales, Australia, 2Broken Hill Proprietary Company Limited, Central Research Laboratories...Western Australia Finland, Brazil, Guyana, Kenya, Tanzania, Zaire and Uganda (McNeil, 1979; Erdosh, 1979;...resistant primary minerals including Nb-ilmenite, Nb-rutile, baddeleyite, zircon, magnetite and pyrochlore...incorporation of Nb into late-crystallized ilmenite and rutile. B-site deficiencies in pyrochlore from the laterite...Appreciation is expressed to the Management, Broken Hill Proprietary Company Limited, Central Research Laboratories |
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(1957, December) Engineering and Mining Journal Vol. 158 (12) McGraw-Hill |
Journal (issue) |
| Antonides James Hobart Floating Dredge Recovers Rutile Florida Monteveechio Cuts Haulage Costs 105...an additional 130 iesue in Mid- June by McGraw-Hill Publishing Co., Inc., James H. McGraw (1860-10948)...Editorial, Advertising and Subscription OMees; MeGraw-Hill Buliding, 330 West 42nd New York 36, N.Y. Donsid...heavy-duty haulers removing the top layer limestone hill the company’s Honnetal quarry. This quarry supplies...illustrations their vibrat- INC. COMPANY, PUBLISHING McGRAW-HILL JOURNAL MINING ENGINEERING ing units. (73) ment |
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(1956) Colonial Geology and Mineral Resources Vol. 6 (2) Colonial Geological Surveys |
Journal (issue) |
| MOLYBDENITE TANT'ALITE · AM BLYGONITE COLUMBITE RUTILE ILMENITE BERYL ZIRCON AND O·THER M,I.NERALS... Rhexoxylon and Dadoxylon from the Lower Shire Region of Nyasaland and Portuguese East Africa. By Professor...Rhexoxylon africanum Banc. Half the expanded pith region of a large stem, with shreds of normal secondary...near the coast at Lumley, south-eastwards to Picket Hill, and then swings rather sharply southwestwards to...backbone of the Banana Islands. Alignment of the hill crests in the northern half of this range is shown |
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(1955) Colonial Geology and Mineral Resources Vol. 5 (1) Colonial Geological Surveys |
Journal (issue) |
| MOLYBDENITE TANTALITE AMBLYGONITE COLUMBITE RUTILE ILMENITE BERYL ZIRCON AND OTHER MINERALS •...Mitie, Sierra Leone • I General view of Masaboin Hill, taken from European Compound . . . . . . . 82...and redeposition along the major faults of the region. New analyses of the 12 Letter from Prof. F. A...Kenya-(argon method 22 ) (a) 1 mile north of Kinyiki Hill apparent (b) 1 mile south of Tsavo apparent (c)...method 28 ) (a) Detrital zircons, foot of Tambane Hill apparent ages of two samples: 609 and 545 m.y. (b) |
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Simandl, George J., Paradis, Suzanne (2018) Carbonatites: related ore deposits, resources, footprint, and exploration methods. Applied Earth Science, 127 (4) 123-152 doi:10.1080/25726838.2018.1516935 |
Journal (article/letter/editorial) |
| Cax)2–x(CO3)], known from Ol Doinyo Lengai volcano (Tanzania). A refinement to the IUGS chemical classification...natrocarbonatitic lavas from Ol Doinyo Lengai, Tanzania that contain 38–40 wt.% combined Na2O and K2O...Roberts 1984; Zaitsev et al. 2013); Kerimasi, Tanzania (Hay 1983; Zaitsev 2010; Guzmics et al. 2011);... 2010) to very recent (e.g. Ol Doinyo Lengai, Tanzania, which is considered an active volcano). Frequency...carbonatite provinces: (a) East Africa (Kenya, Uganda, Tanzania, and one occurrence in Zambia); (b) Namibia and |
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(1958) Overseas Geology and Mineral Resources Vol. 7 (3) Overseas Geological Surveys |
Journal (issue) |
| TUNGSTEN MANGANESE CHROME VANA'DIUM TANTALITE RUTILE COLUMBITE ILMENITE BERYL ZIRCON . AN'D OTHER...much the same pattern of forces has acted in the region from the earliest (Ubendian) diastrophism and successive...intimate acquaintance witl1 the geology of the region. After some preliminar)r work on the northern portion...(2) the scarp rising from the Fort Portal plateau region, and (3) the slope which rises gradually from the...Rift which leaves the main Rift Valley System at Mbeya Mountain in latitude 9°S and is at first directed |
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Melcher, F., Graupner, T., Oberthür, T., Schütte, P. (2017) Tantalum-(niobium-tin) mineralisation in pegmatites and rare-metal granites of Africa. South African Journal of Geology, 120 (1) 77-100 doi:10.25131/gssajg.120.1.77 |
Journal (article/letter/editorial) |
| oxides such as tapiolite, wodginite, ixiolite, rutile and pyrochlore-supergroup minerals are of minor...mineral supply chain due-diligence initiatives in the region and at the Ta (and Sn) smelter level, combined...deposits of columbite-tantalite, cassiterite and rutile related to late-orogenic granites are known from...dominated by large poikilitic grains of NbFe-Ta-rich rutile, with abundant inclusions of Fe-rich columbite...Ruwenzori fold belt that extends into the Kibali-Ituri region of North Kivu (Figures 1 and 3) are crosscut by |
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