 | | Journal (article/letter/editorial) | | the Rugosa on account of lateral attachment. Nepheline-bearing Lavas and Intrusive Rocks from South of...which he recognizes as including rhyolites and nepheline-bearing lavas, cannot be younger than Lower Cretaceous...rocks with pale flesh-coloured phenocrysts of nepheline and anorthoclase in a dull-purple groundmass....thin laths of orthoclase with perhaps a little nepheline and an isotropic base (? sodalite). The felspars...and katoforite was not observed, but all the nepheline and the interstitial base has been altered to |  | | Journal (article/letter/editorial) | | over 4000 km from the Red Sea in the north to Mozambique in the south. It is the archetypal continental... Journal Pre-proof region of the Rungwe Volcanic Province (RVP) (Fig. 1b) (Rasskazov et al., 2003; Mesko...Jurassic to Early Cretaceous (165-116 Ma) Panda Hill, Sengeri Hill, Mbalizi, Musensi and Songwe Scarp carbonatites...presence lP of clinopyroxene, apatite, phlogopite, nepheline, cancrinite, calcite, pyrrhotite, peralkaline...anomalous Journal Pre-proof Sr value of 318 ppm). Nepheline and pyrrhotite are found as tiny (<20 μm) inclusions |  | 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...in Malawi, Mountain Pass in the United States, Panda Hill in Tanzania, and Sokli in Finland were sourced...30˚ Uyaynah 0˚ Tororo & Sukulu Kangankunde Panda Hill Chilwa Island, Songwe & Tundulu Phalaborwa...Island are located within the Chilwa alkaline province of Malawi (Garson, CR-01 NHM 1996,P4(20)2 Disseminated |  | | Journal (article/letter/editorial) | | subvolcanic analogues (alkalingranitic type); (b) nepheline syenites (foidic type); and (c) carbonatite complexes...Baltic Shield (the carbonatite Siilinjärvi and nepheline syenite Saharjok 751 752 TKACHEV et al. 11...Baerzhe; 35, Bonga; 36, Kaluwe; 37, Mrima Hill; 38, Panda Hill; 39, Oka 40, Araxa; 41, Catalao I; 42, Catalao...the stratiform Zr–REE–Nb–Ta Nechalacho zone in nepheline–sodalite syenites of the Thor Lake massif Table...deposits of the Superior Craton located in the nepheline syenites of the Montviel complex (REE–Nb), and |  | | Journal (article/letter/editorial) | | 03 being very close to those of kaisilite and nepheline. Treatment with warm dilute acetic acid dissolved...slightly. Analysis, after correction for 2/6 admixed nepheline, gave SiOz 52.60, TiO, 0.09, AI2O39.22,FezOt (total...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...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) | | of alnoite, camptonite, ijolite, nephelinite, nepheline syenite, and trachyte (Garson & Smith, 1958; Garson...complexes are located in southern Malawi and adjacent Mozambique, at the junction of the north-south-trending...and syenite, and somewhat smaller complexes of nepheline syenite and syenite (Woolley & Jones, 1987). These...part of the Chilwa Alkaline Province (CAP). A general account of this province, including its tectonic setting...1. Inset shows location of the Chilwa Alkaline Province (CAP) at the southern extremity of the East African |  | | Journal (article/letter/editorial) | | The Mbeya Carbonatite(originally called the "Panda Hill Pyrochlore Deposit") is nearthe southwestborderof...mappingfor the Tanganyika GeologicalSurvey near Panda Hill in 1950, A.M. M. Spurr observedcrystallinelimestonethat...under-saturatedand sodarich rocks,viz. aln6ite, nepheline-syenite, j acupirangite. The classicdescriptions...dissected by deepgullies. The sidesof the valleysand hill-slopesmay be as steepas 30 degrees. -. : - :.... ':' •..• •.. . • • Fro. 1. •.'J. Panda Hill and the Mbeya carbonatitedepositin the background |  | | Journal (article/letter/editorial) | | (Brazil), the Pitinga Mine (Brazil) and Marropinno (Mozambique). The Yichun mine (China) is another well-known... 1000 Australia Brazil Canada 800 Rwanda Mozambique 600 Other World Total 400 200 0 1994 1996...Tanco, Canada; Keticha, Ethiopia; and Marropino, Mozambique), rare-element-enriched peraluminous granites...Prairie Lake [Nuinsco Resources Ltd. 2014], Nkombway Hill [van Straaten 2002] and Sukulu [Karagambe-Kaliiza...g. Nechalacho [Ciuculescu et al. 2013] and Iron Hill [Staatz et al. 1979; van Gosen 2009]). Known major |  | | Journal (article/letter/editorial) | | metallogeny of tantalum, tantaloniobates, carbonatite, nepheline syenite, alkali granite, syenite, supercontinent...and volcanic analogs (alkaligranitic type); (2) nepheline syenites (foidic type); and (3) carbonatitic complexes...namely, Siilinjärvi carbonatite and Saharjok nepheline–syenite (Zozulya et al., 2007). In the former...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 |  | | Journal (article/letter/editorial) | | the beforsitic (dolomite bearing) dikes at Sengeri Hill (Mbeya carbonatite, southwestern Tanzania, East...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...rooks of the ijoliteurtite-melteigite series, nepheline syenite, fenitized syenite and quartz syenite...BAERTSCHI (1957): 9. Chilwa Island (2); 10. Chigwakwalu Hill, Tundulu (2); 11. Kolyano Crater (1); 12. K&we Crater |  | | Journal (article/letter/editorial) | | re-evaluated [e.g. Oka (Canada); Fen (Norway); Panda Hill (Tanzania)] for their economic potential. Although...carbonatites are associated with rocks of the ijolite (nepheline–clinopyroxene) or melilitoid (olivine– melili...complexes suggest that most carbonatite– ijolite–nepheline syenite and melilitoid-bearing complexes represent...(see below), and carbonatites in the East Sayan province, especially the Nizhnesayanskii and Bolshyetaginskoye...(Kogarko et al., 1995). Although the Kola Alkaline Province contains many carbonatites which have Nbpotential |  | | Journal (article/letter/editorial) | | contrast, primary alteration of pyrochlore from nepheline syenitesand carbonatitesfollows a different trend...three major host rock categories: carbonatites, nepheline syenites,and granitic pegmatites.As a result,...Gastineau River. Ontario. Canada; carbonatite Panda Hill, Mbeya, Tanzania; carbonatite Woodcox mine, Hybla...MacDonaldmine,Hybla,Ontario; granitic pegmatite Panda Hill, Mbeya, Tanzania; carbonatite Leushe, Lake Kivu...Kivu, Zaire; carbonatite Fredricksvarn,NoMay; nepheline syenite Lueshe, Lake Kivu, Zaire; carbonatite |  | | Report (issue) | | + Ta)B > 2TiB ; Occurrence: In pegmatites in nepheline syenites and other alkalic rocks; in granite pegmatites...Kaiserstuhl, Baden-Württemberg, and in the Eifel district, Germany. In Russia, at Miass and Vishnevogorsk...Narssârssuk, Greenland. From the Mbeya carbonatite, Panda Hill, near Mbeya, Tanzania. On Rouma Isle, Los Islands |  | 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) | | and Kapuskasing Structural Zones of the Superior Province, Canada (e.g. Sage 1991). Most carbonatite complexes...associated with carbonatites include syenite, nepheline syenite, gabbro, melilitolites, and their volcanic... 2004; Anbar et al. 2005; Polyakov et al. 2007; Hill and Schauble 2008; Shahar et al. 2008). Although...melteigite, ijolite, pyroxenite, hornblendite, nepheline syenite. Sukulu, Uganda <40 Sövite. Silicate rocks:...Silicate rocks: Pyroxenite, melteigite, ijolite, nepheline syenite. Toror, Uganda 15.5±6 Sövite, ferrocarbonatite |  | | Journal (article/letter/editorial) | | carbonatites are: (1) British Columbia Alkaline Province, Canada (Pell 1994, Millonig et al. 2012); (2)...example the Ontario and Southwest Quebec carbonatite province covered by Woolley and Bailey (2012). Although...feldspar, sodic amphibole and sodic pyroxene; nepheline, calcite and biotite/phlogopite may also be present...albite, perthite, mesoperthite, antiperthite, nepheline, and pale brown mica, and albite (Figure 9). Minor...0 25.4 0.7 0.3 8.8 10.3 2.1 42.6 0.2 2.5 Panda Hill 9.8 1.9 19.3 7.9 Naantali 3.5 0.2 4.3 3.4 Fen |  | | Journal (article/letter/editorial) | | of the carbonate and, (3) in some cases,to the province. A carbonate-richrock may be classifiedasa carbonatiteif...barite-rich carbonatite breccia zones. Mbeya (Panda Hill) Tanganyika Chilwa Island, Malawi Late quartz-calcite...severaltypes of carbonatite dikes occur together in a district, the baritic type is the youngest. 2. In mineralogically...containing chiefly Ba in minor to trace amounts: nepheline, alkalic amphibole. 4. Minerals containing chiefly...containing chiefly Sr in minor to trace amounts: nepheline, sphene, cancrinite, melilite, alkalic amphibole |  | | 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...Mountains, MT Bearpaw Mountains, MT Magnet Cove, AK Panda Hill, Tanzania Oka, Canada Oka, Canada Oka, Canada...(2010) 4110–4122 0.004& and NMNH_109369-49 from Panda Hill at 0.309 ± 0.015&, correspond to temperatures...the Lower Cretaceous (e.g., NMNH_109369-49 from Panda Hill, Tanzania and BOK-7c from Oka, Canada) record |  | | Journal (article/letter/editorial) | | 1962, Ore genesis of the Cave In Rock Fluorspar District, Hardin County Illinois: ECON. GEOL.,v. 57, p...Barite zoining in the Illinois-Kentucky Fluorspar District: ECON. GEOL., v. p. 299-302. 3. •, 1964, A possible...Cave-in-Rock Fluorite District, Illinois, and Upper Mississippi Valley Zinc-lead District: Ecom GEOL., v. 58...Structural framework of the Illinois-Kentucky Mining District and its relation to Mineral Deposits: U.S.G.S...Paragenesis and Zoning in the Central Kentucky Mineral District: EcoN. GEox•., v. 59, p. 596-625. 9. McGinnis |  | | Journal (volume) | | 19 Zircon 19 Petrogenesis References ii Ilomba Hill from the Songwe Plain to the north-west 3 Photomicrograph...diagram, showing fields of miaskitic and agpaitic nepheline syenites 9 4 Ilomba rocks plotted on a Qz-Ne-Ks...15 5 Radiometric map of the summit area, Ilomba Hill 16 TABLES 1 2 3 4 5 6 7 Geological history of...The complex, part of the North Nyasa Alkaline Province, is U-shaped in plan and some 2 km across and...magmatic activity in the North Nyasa Alkaline Province over a period of more than 700Ma·negates the theory |  | | Book (edition) | | those of the undersaturated alkalic group—the nepheline syenites and their relatives. Rare, mineralogically...Cu, barite, vermiculite, CaCOs;, fluorite, Ti, nepheline, and Zr. HISTORY OF CARBONATITE STUDIES Although...bodies of limestone intimately connected with the nepheline rocks. Generally the limestone is INTRODUCTION...the vicinity of the limestone occurrences the nepheline rocks are often also very rich in calcite, which...very common in the limestone, as well as in the nepheline-syenite bodies which occur at some localities |  | | Journal (article/letter/editorial) | | Island, S.Malawi Kangankunde, S. Malawi Nathace Hill, Tundulu, S. Malawi Deerdepoort, Pretoria Central...(Ma) Oldoinyo Lengai, Tanzania Museum Zone, Panda Hill, Tanzania Bukusu, Uganda The whole rock trace...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 |  | | Report (issue) | | production. No geologic definition of a deposit or district is used for compiling records for this report...Brazil, and the Niobec underground mine in Quebec Province, Canada. The Brazilian position is currently being...Limu mine in Guangxi Province and the Yichun niobium-tantalum mine in Jiangxi Province (Werner, 1988). Yichun...~~-~'-'~· ec·I' Q ~. .r :!~;>'. ~, - . . · Mnma Hill TAPanda H'll NZANIA •axa Geolog;c d • · / ...World's output of niobium. A third carbonatite province in several conterminous countries of central Africa |  | | Journal (article/letter/editorial) | | is also produced from loparite which occurs in nepheline syenite of the Lovozero intrusion, Kola Peninsula...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~+++ +++ + ~ + +~+ + + +...weathered biotite rock at a carbonatite contact at Panda Hill, Tanzania (J~iger et al., 1959), and is also |  | | Journal (article/letter/editorial) | | asthenospheric source. The Palaeozoic K o l a alkaline province is situated between north-eastern Finland and...Palaeozoic ultrabasic-alkaline carbonatite and nepheline syenite complexes from the Kola peninsula ( K...1947), Dorowa and Shawa, Zimbabwe (Johnson 1966), Panda Hill (Basu and Mayila 1986) and Ngualla, Tanzania...(1993) in his study of alkaline massifs of the Kola province. The U-Pb data from baddeleyite fiom tetrafer...the carbonatite complexes from the Kola alkaline province involve mixing of two mantle reservoirs. The fact |  | | Journal (article/letter/editorial) | | mafic dikes and basaltic lavas from the Gardar Province, South Greenland (Halama et al., 2003, 2004, 2005)...STM-1 Standard solution Standard solution Basalt Nepheline syenite +0.3 ± 0.9 +54.8 ± 1.0 +4.4 ± 0.7 +4...4.7 5.6 / 5.7 4.8 1.5 2.1 3.6 4.2 6.2 Gardar Province, Greenland GR 46 Grønnedal-Ika GR 70 Grønnedal-Ika...tephrite WR WR 17 17 Ngualla Chilwa Panda Hill Panda Hill Panda Hill Sukulu Toror Homa Bay Oldoinyo Lengai...Eledoi Sinja Eledoi Dorobo cone Dorobo cone Armykon Hill Kaiserstuhl, Germany K1 Föhrenberg/Ihringen K1 |
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