 | | 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 |  | | Journal (article/letter/editorial) | | Geomorphologyof the Mbeya Carbonatite ................................ Geology of the Mbeya Carbonat{re ......... Compositionand characterof pyrochlorefrom Mbeya ..................... Value of pyrochlore ........pyrochlore(about 63 percentCb•Os), magnetite,and apatite. Eleven million tonsof ore containingabout0.3 percentCb205have...present. INTRODUCTION The Mbeya Carbonatite(originally called the "Panda Hill Pyrochlore Deposit") is nearthe...milesin a direct line west-south-west of the townof Mbeya. The carbonatitewasinvestigated because of its pyrochlore |  | | Journal (article/letter/editorial) | | 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 |  | | Report (issue) | | 0.93 SnO2 0.00 0.25 (1) Oka, Canada; diopside+apatite+pyrite 0.3%, H2 O by difference; corresponds to...carbonatites; detrital. Association: Zircon, aegirine, apatite, perovskite, columbite. Distribution: Numerous...Narssârssuk, Greenland. From the Mbeya carbonatite, Panda Hill, near Mbeya, Tanzania. On Rouma Isle, Los Islands |  | | Journal (article/letter/editorial) | | (dolomite bearing) dikes at Sengeri Hill (Mbeya carbonatite, southwestern Tanzania, East Africa; SUWAet al., 1969)...trending belt were sampled: Sukulu Hill, Tororo Hill and Bukusu Hill (Fig. 2, for geology see DAVIES, 1956)...and fenitized granite. The carbonatite at Tororo Hill represents a plug along a dike. The prominent spine...BAERTSCHI (1957): 9. Chilwa Island (2); 10. Chigwakwalu Hill, Tundulu (2); 11. Kolyano Crater (1); 12. K&we Crater...(4); 16. Mrima Hill (1); 17. Kwsrao (1); 18. Oldoinyo Dili (1); SUWA et aZ. (1969): 21. Mbeya (24); the number |  | | Journal (article/letter/editorial) | | Table 1. The samples from Phalaborwa, Ton>ro, Panda Hill and Goudinii were collected from fre~,;hly-blasted...Pegmatoid body, a coarse ~gmatitic phlogopite-apatite pyroxenite (Verwoenl 1967). The Goudini sample...contained in the lattices o! ether phases, mainly apatite and/or phi!ogopite and, in the Oldoinyo Lengai...Gelai magnesite mine, east shore of L. Natron, Tanzania; trona samples were collected from the lake crust...~I~,U * ~' T,atoro,O r.- TmzduluH~II,M e o.~rs Mbeya,[ Kerimo~i. T t30ldoinyo~ngal -E SA ¢' e , e |  | | Journal (article/letter/editorial) | | carbonatites. The process results in the decomposition of apatite and magnetite, removal of soluble carbonates and...re-evaluated [e.g. Oka (Canada); Fen (Norway); Panda Hill (Tanzania)] for their economic potential. Although...calcite carbonatite, magnetite apatite dolomite carbonate, magnetite apatite olivine calcite carbonatite...and metamorphosed carbonatites of the Blue River region, British Columbia (Chudy, 2013; Pell, 1994, 1996)...linear Songwe Scarp and Sangu-Ikola carbonatites, Tanzania (Brown, 1964; Coetzee, 1963). 4.2. Carbonatite-bearing |  | | Journal (article/letter/editorial) | | as barite-rich carbonatite breccia zones. Mbeya (Panda Hill) Tanganyika Chilwa Island, Malawi Late quartz-calcite...to major amounts: calcite, dolomite, ankerite, apatite, barite, pyrochlore (pandaite); (rare species)...proxies primarily for K in silicates and for Ca in apatite and the carbonates and therefore has a more diverse...exceptions.In scivitebrecciait is 6.60 and in an apatite-rich dolomitic dike it is 14.0. Quon and Heinrich...biotite beforsitewith accessorybarite, chalcedony, apatite and pyrite. At Mountain Pass strontianite cementsa |  | | Journal (article/letter/editorial) | | Carillon Dam, Chilwa Island, Fen, Lueshe, Oka, Mbeya, Meech Lake and Verity. Primary features include...some pyrochlore from laterite (e.g. Lueshe and Mbeya of this paper; see below) it is not possible to...Madagascar Vishney Gor, Russia Vishney Gor, Russia Mbeya, Tanzania Carbonatite, Russia Kola Pen., Russia Oka,...(1989) Tanzania Quebec Quebec British Columbia Fen (adit) Fen (adit) Fen (quarry) Lueshe Mbeya 687...phlogopite, richterite, apatite calcite, apatite, phlogopite dolomite, calcite, apatite, ‘ferriphlogopite’ |  | | 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...orthoclase, and limonite, minor fluorite, quartz, apatite, zircon, chlorite, piagioclase, rutile, and heamatite...zircon0.42, phlogopite 0.27, orthoclase O.42, apatite 0 92, cassiterite 0.32, quartz 0.33, rutile 0.15/s...5 9 1 ( 7 0 ) . The name is for the locality, Panda Hill, and is suggested for minerals of the pyrochlore |  | | Journal (article/letter/editorial) | | River. Ontario. Canada; carbonatite Panda Hill, Mbeya, Tanzania; carbonatite Woodcox mine, Hybla, Ontario;...MacDonaldmine,Hybla,Ontario; granitic pegmatite Panda Hill, Mbeya, Tanzania; carbonatite Leushe, Lake Kivu, Zaire;...for highlycrystallinesamples.Am : amphibole;Ap : apatite; Bt:biotite; Cal :calcite; Fl :fluorite; llm:ilmenite;...bariumstrontium pyrochlore in a biotite rock from Panda Hill, Tanganyika. Mineralogical Magazine, 32, 10-25...The alteration ofpyrochlore to fersmite in the Mbeya carbonatite.Geologieen Mijnbouw, 39, 512-515. -(1963) |  | | Journal (article/letter/editorial) | | USA of Abstract ro Magmatic activity in the Tanzania Craton-influenced regions of the East African...include: commencement of activity in the Northern Tanzania Divergence (NTD) and Mt. Kenya, Rungwe Volcanic...Keywords: Rift, magmatism, East Africa, Kenya, Tanzania, Craton, Ethiopia, East African Rift System ur...fundamentally controlled by the presence of the Tanzania craton (Fig. 1). The most significant heterogeneity...northern Kenya Rift. Lavas erupting within the Tanzania craton-influenced regions of the EARS exhibit |  | | 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 |  | | Journal (article/letter/editorial) | | danalire, 921 Wheal Cock, St. Just-in- Penwith : apatite, bertrandite, herderite, helvine, phenakite, scheelite...thomsonite, 506 Berk Hill: apophyllite, 508 Black Cave, Islandmagee: mordenite, 5O9 Carnmoney Hill, Belfast: calcite...lithomarge, xlvi White Mountain: mordenite, 509 Wolf Hill, Legoniel: apophyllite, 508 Tipperary Knockanroe...Tanganyika Mautia Hill, Kongwa, Mpwapwa District: kyanite, talc, yoderite, 282 Panda Hill, Mbeya: biotite, orthoelase |  | | Journal (article/letter/editorial) | | relative to co-exisiting apatite, but the light rare-earth elements partition into apatite. Magnetite from Kerimasi...KEYWORDS: mineral chemistry, carbonatite, carbonate, apatite, magnetite, Africa. Introduction CARBONATITES...common phases in these rocks - the carbonates, apatite and magnetite-rich spinel, though some recent studies...- Verwoerd, 1967), Tundulu Hill (Upper Jurassic - Garson, 1962), Panda Hill (Lower Cretaceous - Van Straaten... x x x Malawi M26 Tundulu Hill M28 ditto x x Tanzania BD724 Panda Hill BD892 Kerimasi BD893 ditto |  | | 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...leaves an enriched concentration of magnetite, apatite, and bariopyrochlore (pandaite). Other rarer minerals...~~-~'-'~· 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 |  | Neave, David A., Black, Martin, Riley, Teal R., Gibson, Sally A., Ferrier, Graham, Wall, Frances, Broom-Fendley, Sam (2016) On the Feasibility of Imaging Carbonatite-Hosted Rare Earth Element Deposits Using Remote Sensing. Economic Geology, 111 (3) 641-665 doi:10.2113/econgeo.111.3.641 | Journal (article/letter/editorial) | | in North America (Mountain Pass, Oka, Iron Hill, and Gem Hill), albeit in nondigital form. As reviewed...hyperspectral instruments. Examples include mapping the Iron Hill carbonatite-alkaline complex in the United States...Malawi, Mountain Pass in the United States, Panda Hill in Tanzania, and Sokli in Finland were sourced from...30˚ Uyaynah 0˚ Tororo & Sukulu Kangankunde Panda Hill Chilwa Island, Songwe & Tundulu Phalaborwa...Amph = alkali amphibole, Ank = ankerite, Ap = apatite, B2S-B3S = intermediate fluorocarbonates, Bast |  | | Journal (article/letter/editorial) | | Formation tuffs of the Rukwa Rift Basin, southwestern Tanzania L. Lawrence, C. Spandler, E.M. Roberts, H.L....Formation tuffs of the Rukwa Rift Basin, southwestern Tanzania, LITHOS (2020), https://doi.org/10.1016/j.lithos...occurring ~400 km beneath Ethiopia, Kenya and Tanzania, defined as the African superswell (Nyblade, 2011)...the Usangu Basin and Tukuyu Journal Pre-proof region of the Rungwe Volcanic Province (RVP) (Fig. 1b)...vent or source of appropriate age is known in the region for the NFT, which presents a further challenge |  | Cordeiro, Pedro Filipe de Oliveira, Brod, José Affonso, Palmieri, Matheus, de Oliveira, Claudinei Gouveia, Barbosa, Elisa Soares Rocha, Santos, Roberto Ventura, Gaspar, José Carlos, Assis, Luis Carlos (2011) The Catalão I niobium deposit, central Brazil: Resources, geology and pyrochlore chemistry. Ore Geology Reviews, 41 (1) 112-121 doi:10.1016/j.oregeorev.2011.06.013 | Journal (article/letter/editorial) | | phoscorite-series rocks (nelsonite) that can be either apatite-rich (P2 unit) or magnetite-rich (P3 unit). Dolomite...and determined that pyrochlore occurs mostly in apatite- and magnetite-rich rocks that crosscut previous...P+Nb+REE 8 0.3 0.21 Mbeya (Panda Hill) Aley Bone Creek (Fir) Argor Tanzania Resource Primary Nb...orebodies. The inner zone is composed of magnetite–apatite-rich rocks and carbonatite. The Catalão I fresh...single, homogeneous pyrochlore-bearing magnetite–apatite rocks, but rather dike swarms up to 2 m wide and |  | | 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 |  | | Journal (article/letter/editorial) | | presence of europium in several minerals including apatite, fluorite, strontianite, and scheelite. Information...coexisting mineral pairs may be obtained. The apatite in oarbonatites and genetically related igneous...strontianite when it crystallizes together with apatite in these same rocks. Similar results are found...state of europium produces a broad line in the blue region of the color spectrum while the trivalent state...state produces several narrow lines in the red region of the color spectrum. In the light of this knowledge |  | | 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...also in phosphate, in the form of the mineral apatite, and expensive measures have been necessary to...solution appeared to be the removal of Cox's Fort Hill, overlool...able to point out, however, that some of Cox's Fort Hill and the adjacent area (which was planned for installation |  | | Journal (article/letter/editorial) | | Island, S.Malawi Kangankunde, S. Malawi Nathace Hill, Tundulu, S. Malawi Deerdepoort, Pretoria Central...dolomite/magnetite, apatite, zircon, pyrochlore Ankerite/apatite pyrochlore, magnetite Calcite/magnetite, apatite Bas...Bastnaesite-ankerite/apatite, magnetite Ankerite, calcite/K-feldspar, magnetite, apatite, quartz Calcite/apatite, phlogopite...phlogopite Calcite, ankerite/apatite, quartz Calcite/niocalite, magnetite Carbonatite Dawson et al. (1995);...sylvite Calcite/apatite, magnetite pyrochlore Calcite/magnetite, phlogopite, apatite 0 113±6 40 (25–55) |  | | Journal (article/letter/editorial) | | Kangankunde, Nkalonje, and Tundulu in Nyasaland, Mbeya (Panda Hill) and Wigu in Tanganyika, and Mrima in Kenya...pattern in apatitebastnasite sSvite from Nathace Hill, Tundulu, by Garson (unpublished Ph.D. thesis, 1961)...acknowledged. The carbonatite complex at Kangankunde Hill, Nyasaland, is one of the intrusions of the Chilwa...rock with accessory baryte, blende, quartz, and apatite. The carbonatite is very variable in composition...ankerite or strontianite locally dominant. The Wigu Hill carbonatite lies at 7 ~ 26' S., 37 ~ 34' E. near |  | | Journal (article/letter/editorial) | | Tororo (40) Fort Portal (0.5) Homa Mountain (6.6) Panda Hill (116) Jacurpiranga (131) Kangankunde (123) Chilwa...signature of 0.420& (138 °C). The sample from Panda Hill, Tanzania (116 Ma) gives 0.309& (293 °C). Samples...MT Bearpaw Mountains, MT Magnet Cove, AK Panda Hill, Tanzania Oka, Canada Oka, Canada Oka, Canada Oka...(2010) 4110–4122 0.004& and NMNH_109369-49 from Panda Hill at 0.309 ± 0.015&, correspond to temperatures...Lower Cretaceous (e.g., NMNH_109369-49 from Panda Hill, Tanzania and BOK-7c from Oka, Canada) record temperatures |
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