 | | Journal (article/letter/editorial) | | IN WEATHERED PYROCHLORE-GROUP MINERALS FROM THE LUESHE AND ARAXÁ (BARREIRO) CARBONATITES BY 57Fe MÖSSBAUER...Nb ore deposits in laterite: Lueshe in the Democratic Republic of Congo, and Araxá in Brazil. In contrast...oxidation state in the kalipyrochlore sample from Lueshe. Spectra of both samples are consistent with the...coordinated by 6 O2– is observed in both cases. In the Lueshe sample, it is also coordinated by 5 O2– and 1 OH–...gisements latéritiques à Nb, celui de Lueshe en République Démocratique du Congo et celui d’Araxá au Brésil, l’idée |  | | Journal (article/letter/editorial) | | Pyrochlore from weathered carbonatite at Lueshe, Zaire F. WALl.,C. T. WILLIAMS,A. R. WOOIJ.EY Department...pyrochlore in the laterite above carbonatite at Lueshe, NE Zaire, has been made in order to determine...variations. Pyrochlore in fresh carbonatite at Lueshe is close to an ideal formula of (Ca,Na)2Nb206(OH...worldwide. As a result weathered pyrochlore at Lueshe has a large apparent A cation deficiency with A...remain stable. Abundant kalipyrochlore is unique to Lueshe and is thought to be related to the abundance of |  | Melcher, F., Graupner, T., Sitnikova, M., Henjes-Kunst, F., Oberthür, T., Gäbler, H.-E, Bahr, A., Gerdes, A., Brätz, H., Rantitsch, G. (2009) Ein Herkunftsnachweis für Niob-Tantalerze am Beispiel afrikanischer Selten-Element Pegmatite. Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 155. | Journal (article/letter/editorial) | | conflicts, especially in the Democratic Republic of the Congo, is widely discussed. In many African countries...Nationalpark in der Demokratischen Republik Kongo (DR Kongo; „Durban Process“). Die Studie basierte auf...machten sich Rebellengruppen in den Ostprovinzen der DR Kongo zu nutze. Der illegale Abbau und Handel von...trug so zur Fortsetzung bewaffneter Konflikte in der DR Kongo und in den Nachbarstaaten bei. Exportstatistiken...zumindest zwischen 2001 und 2004 Coltan aus den Kivu-Provinzen über benachbarte afrikanische Länder in |  | Melcher, Frank, Graupner, Torsten, Gäbler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, Oberthür, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalum–(niobium–tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta–Nb oxide mineralogy, geochemistry and U–Pb geochronology. Ore Geology Reviews, 64. 667-719 doi:10.1016/j.oregeorev.2013.09.003 | Journal (article/letter/editorial) | | Ma) 4.1.1. Man Shield (Sierra Leone) NU 4.1.2. Congo Craton (DRC) 4.1.3. Zimbabwe Craton (Zimbabwe) ...Côte d'Ivoire) 4.2.2. North-eastern DRC (Ubendian, Orientale and northern North Kivu) D 4.3. Neoproterozoic...data CE P 4.3.1.2. Mineralogy 4.3.2. Kamativi Schist Belt (western Zimbabwe) 4.3.3. Orange River Pegmatite...provinces MA 5.1. Archean 5.1.1. Man Shield 5.1.2. Congo Craton 5.2. Paleoproterozoic CE P 5.2.1. Birimian...5.2.2. North-eastern DRC 5.3. Neoproterozoic 5.3.1. Kibara Belt AC 5.3.2. Kamativi Schist Belt 5.3 |  | | Book (edition) | | localities as inclusions in the limestone”’ (italics mine). Actually, the first published description of...‘‘fine-grained but crystalline,” (5) that they were 1] thank Dr. G. R. Udas for bringing this historic description...carbonatite dikes cutting the kimberlite of the Premier mine (p. 542) he classed as magmatic, but 1 Bowen admitted...G. B. Du Bois (1956, 1959), B. C. King (1949). Congo (Belgian): A. Meyer and P. de Bethune (1958, 1960)...) around a “core” of alkalic silicate rock: Lueshe, Congo, and Chishanya, Southern Rhodesia. In some cases |  | Villeneuve, M., Gärtner, A., Kalikone, C., Wazi, N., Hofmann, M., Linnemann, U. (2019) U-Pb ages and provenance of detrital zircon from metasedimentary rocks of the Nya-Ngezie and Bugarama groups (D.R. Congo): A key for the evolution of the Mesoproterozoic Kibaran-Burundian Orogen in Central Africa. Precambrian Research, 328. 81-98 doi:10.1016/j.precamres.2019.04.003 | Journal (article/letter/editorial) | | rocks of the Nya-Ngezie and Bugarama groups (D.R. Congo): A key for the evolution of the Mesoproterozoic...Dresden, Germany c Université officielle du Sud Kivu, Bukavu, Congo b A R T I C LE I N FO A B S T R A C T ...still under debate. Modern studies distinguish the north-eastern Karagwe-Angkole Belt (KAB) and the southern...distinction of the KAB and the poorly studied northwestern Kivu Belt (KVB) has to be suggested. Latest researches...and Bugarama groups. Both of them occur along the Congo, Rwanda and Burundi borders and have frequently |  | | Book (volume) | | years. The Precambrian of the R epublic of the Congo and of the tvvo small adjoining states, Rwanda and...during brief field trips under the expert guidance of Dr. H ENRI BESAIRIE. The similarity between the metamorphosed...em·i Besairie . . 133 The P RECA1\1BRIAN OF THE CONGO, RWANDA, AND BURUNDI by L. Cahen and J . Lepersonne... the 111onntain bolt of the H in1alayas in the north, is called the Extrapeninsular region. The I ndo-...Vn1clh)~a Range, north of the Narbada, and its eastward continuation in the same direction north of the Son |  | | Journal (article/letter/editorial) | | magnesioriebeckite-gorceixite schist from south-west Tanzania A SCHIST from the Mkulwe area of south-west...phosphate mineral of the plumbogummite group. The schist occurs near the Zambian border, in a region occupied...gneisses, which occur in the north-west-south-east escarpment to the north-east. The Ufipa gneisses and...and other metamorphic groups further to the north and east belong to the Ubendian System. The area has...and Kennerley (1962), who make no mention of the schist in their brief description, and its field relations |  | | Catalog/List | | 5tx3tx2" high. £54. ARSENOPYrtITE. Virtuous Lady Mine, Bucklond Monachorum, Devon. Fine, silvery cClloured...111 rysbl 9 .1"1. in lef18th, :L'7lplnnted ~n Hcn Schist. 2txl". :£4.50. N TIVE BISL1UTH. \l~lfr';J c,op...ish Li":mite. 3tx2t"x2". il2. OC' ITITE. PhJe.ix MinE, Linki h)rne, Cornwall. Bri~ht green, s~nll sh,rp...J::!trix. 3xltxlt". £6.50. CHALCOPYRITE. Tincr Jft Mine, Illog':\n, CJrmll11. Unusual, brigh brassy, lenticular...CHALCOPYRITE variety "BLISTER cnpPER". CJJks K;itchen Mine, CJobJrne, CJrnwnll. SpeciJcn - Pure, light brassy |  | Benaouda, Rachid, Kraemer, Dennis, Sitnikova, Maria, Goldmann, Simon, Freitag, Ralf, Bouali, Abdelhafid, Mouttaqi, Abdellah, El Haloui, Rachid, Essaadaoui, Mustapha, Bau, Michael (2020) Thorium-poor monazite and columbite-(Fe) mineralization in the Gleibat Lafhouda carbonatite and its associated iron-oxide-apatite deposit of the Ouled Dlim Massif, South Morocco. Gondwana Research, 77. 19-39 doi:10.1016/j.gr.2019.06.011 | Journal (article/letter/editorial) | | Lafhouda intrusion is hosted by Archean gneiss and schist and not visibly of associated with alkaline rocks...al., 2016). It is hosted by Archean gneiss and schist (from 2800-3100 Ma, see Bea et al., Jo (Bea et...which are referred to in literature as biotite schist, crop out locally at the -p border of the carbonatite...documented by ONHYM (ONHYM, 2016a, 2016b) as biotite schist (Fig. 3-4). These rocks are labelled here as glimmerite... re of the giant Bayan Obo REE-Nb-Fe deposit, North China, Mesoproterozoic carbonatite lP and overprinted |  | | Catalog/List | | ----·-·- ---- ·- -- 1129 ALMANDINE Brastad iron Mine near Arendal ,Norway 87 ■ BERYL Evje area . South... . --- .. ------- - -· 1009 ANDALUSITE Ultevis,North Sweden 1099 CATAPLEIITE Bratthagcn, near Larvik...Kaveltorp Mine Sweden 1008 CHRYSOBERYL Kolsva. Vastmanland Sweden Rich fawn sheaves in silvery schist Quite...--~----· ·---·-------- -- -62 COBAL TITE Bolidcn Mine, North Sweden 1003 ARSENIOPLEITE Sjogruvan,Ridd arhyllan...2x3 £25 Ampibole 1140 ERYTHRITE Sl-a1tterud Cobalt Mine. Vikersund Norway 970 MAGNESIOHASTINGSITE Langban |  | | Journal (article/letter/editorial) | | continues the series of 21 published triennially by Dr. L. J. Spencer between 1897 and 1958. Such lists...MHHepa~orM~ecKoro O6~eCTBa; the eorttinuation of Dr. Speneer's series seems desirable since it differs...fumarole on Cerro Pululus, north-west Argentina, appear to be F%As20 n. Named after Dr. V. Angelelli, Director...a fissure mineral at Lhngban, Sweden. Named after Dr. Ragnar Blix. [M.A. 14-416.] Bobkowit. Gerlnan transliteration...List), named by J. de Lapparent (1927) in honour of Dr. Johann Bahm of Berlin; corrected in ~r Jahrb. Min |  | | Catalog/List | | massive with minor Celsian and Bementite from Benallt Mine, Lleyn, Wales, (Recently tested by XRD) lxl £4 lx2...£15 £6 88 ADAMITE Ojuela Mine, Mapimi, Mexico 1036 ALSTONITE Fallowfield Mine, Northumberland Colourless...x2 £ 1.50 2x2 £3 Al SO/4 767 ■ AJOITE Christmas Mine, Gila County, Arizona USA 14 ALUMINITE Railway cutting...~-------·-·-- ·· -·· 1077 ■■ ALLOPHANE Hawkswood Mine, Cornwall 933 ANATASE Hingston Quarry,Cornwall Black...Kola Russia 501 ALLOPHANE New East Wheal Russell mine, Devon ,England grey bleby small botryoidal with |  | | Catalog/List | | ___ 2x2£3 ___ - -----~ - ~014_ _ 88 ADAMITE Ojuela Mine, Mapimi, Mexico 69 ALUMOHYDROCALCITE South Bay,...- - --··---- - - - - - · . 767 AJOITE Christmas Mine, Gila County, Arizona USA 17 ANAL CITE Talisker...1009 ANDALUSITE Ultevis,North Sweden 501 ALLOPHANE New East Whcal Russell mine, Devon ,England variety...217 ANDORITE San Jose Mine, Oruro, Bolivia 1129 ■ ALMANDINE Brnstad iron Mine near Arendnl ,Norway Pure...Bcnallt Minc,Llcyn. Wales 1036 ALSTONITE Fnllowlielcl Mine, Northumberland White masses in malrix wilh micro |  | | Catalog/List | | £10 2x2 £15 Ix! £3 lx2 £6 I · 88 ADAMITE Ojuela Mine, Mapimi, Mexico Colourless to yellow small crystals...£10 2x3 £15 Na Ca SiO F 7fJ 7 ■ AJOITE Christmas Mine, Gila County, Arizona USA Blue veinlets in matrix...5cm £4 no/2 feldspar 37 ANCYLITE Ce Dark Star Mine,Ravalli County, Montana U.S.A Rich pinkish fine...£7.50 Ag Sb 501 ALLOPHANE New East Wheal Russell mine, Devon ,England grey bleby small botryoidal with... lx2 £3 2x2 £6 2x3 £10 1009 ANDALUSITE Ultevis,North Sweden variety VIRIDINE (Mangan rich variety) Olive |  | Kampunzu, A.B., Makutu, M.N., Rocci, G., Kramers, J., Pineau, F., Louaradi, I., Tembo, F. (1997) Neoproterozoic Alkaline and Carbonatite Magmatism Along the Western Rift in Central-Eastern Africa: Break-up of Rodinia Supercontinent and Reconstruction of Gondwana. Gondwana Research, 1 (1) 155-156 doi:10.1016/s1342-937x(05)70020-4 | Journal (article/letter/editorial) | | isotopic compositions of rocks from some (e.g. Lueshe and Kirumba) silica-undersaturated complexes correspond...part of Khammam district referred as the Khammam Schist Belt (KSB), is sandwiched between western middle...Khamniam Schist Belt trending in NE and is extending further southwcst to the Nellore Schist Belt, is...structural disturbances in the adjacent KSB. The schist belt trending NESW is overlain by the Pakhal and |  | Downes, Peter J., Dunkley, Daniel J., Fletcher, Ian R., McNaughton, Neal J., Rasmussen, Birger, Jaques, A. Lynton, Verrall, Michael, Sweetapple, Marcus T. (2016) Zirconolite, zircon and monazite-(Ce) U-Th-Pb age constraints on the emplacement, deformation and alteration history of the Cummins Range Carbonatite Complex, Halls Creek Orogen, Kimberley region, Western Australia. Mineralogy and Petrology, 110 (2) 199-222 doi:10.1007/s00710-015-0418-y | Journal (article/letter/editorial) | | magmatism, including carbonatites, in the Kimberley and North Australian Cratons over the Nuna–Rodinia supercontinent...peridotite. Complex, North Australian Craton, Northern Territory Mud Tank, North Australian Carbonatite...the Kimberley Craton with the remainder of the North Australian Craton to the east by ~1820 Ma (Fig....Complex was emplaced in granite gneiss and chlorite schist country rocks within the Eastern Zone of the Paleoproterozoic...carbonatite (Table 2) was carried out in July 1986 by Dr. Alan W. Webb at AMDEL Laboratories, South Australia |  | Sun, Zhenghao, Qin, Kezhang, Mao, Yajing, Tang, Dongmei, Wang, Fangyue, Evans, Noreen J., Zhou, Qifeng (2022) Mineral Chemistry of Pyrochlore Supergroup Minerals from the Boziguoer Nb-Ta-Zr-Rb-REE Deposit, NW China: Implications for Nb Enrichment by Alkaline Magma Differentiation. Minerals, 12 (7) 785 doi:10.3390/min12070785 | Journal (article/letter/editorial) | | and the northern margin of the Tarim block, from north to south. The Central Tianshan block is an ancient...primarily composed of middle Neoproterozoic gneiss, schist and marble. The basement rocks are directly covered...primarily composed of middle Neoproterozoic gneiss, schist and marble. The basement rocks are directly covered...in the Tarim north rim (modified from [60,61]). alkaline felsic rocks in the Tarim north rim (modified...representative of theof type. is located 43 km north Baicheng county, county, east of the alkaline most |  | | Journal (article/letter/editorial) | | n-fatty acids in open marine sediments of the western North Pacific H. Naraoka and R. Ishiwatari . . . . . ...meteoric alterations of the Lueshe carbonatite complex ŽDemocratic Republic of Congo. identified by a REE study...Cambro–Ordovician sandstone reservoir, Fahud Salt Basin, North Oman A.Y. Huc, P. Nederlof, R. Debarre, B. Carpentier... . . . . . . . Denitrification and mixing in a schist aquifer: influence on water chemistry and isotopes...associated with the generation and treatment of acid mine drainage S.G. Benner, W.D. Gould and D.W. Blowes |  | | Journal (article/letter/editorial) | | AND PLANETARY SCIENCE LETTERS i (1966) 421-434. NORTH-HOLLAND PUBL. COMP., AMSTERDAM TECTONO-METALLOGENIC...h r o m i u m , a s b e s t o s and, outside of north A f r i c a , i r o n o r e r e s e r v e s . In...to f o r m a s i n g l e s t a b l e unit, the Congo Craton [12]; and the O r a n g e R i v e r belt...a in South A f r i c a , and the M a c a l d e r Mine in w e s t e r n Kenya. 2.1.1. Copper About 96-97%...: Z a m b i a (Nchanga and Muful i ra ) *, 55%; Congo (Kolwezi), 30%; South A f r i c a (O'okiep), 4%; |  | | Report (issue) | | for foreign countries, if a given name refers to a mine or deposit, a nearby location or administrative...names may be used to refer to a single deposit or mine. For large deposits or mineralized areas, a 3 single...is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic,...Detterman, R.L., 1989, Triassic phosphate deposits, north-eastern Alaska, USA, in Notholt, A.J.G., Sheldon... M.P., 1993, Digital metallogenic data set for North America and South America: U.S. Geological Survey |  | | Journal (article/letter/editorial) | | modified by interaction with carbonatite-derived and schist-derived fluids respectively, and that fenitization...developed contact fenites in country rock Alpine Schist with unambiguous field 2 ACCEPTED MANUSCRIPT...fenitization of metabasic rocks PT within the Alpine Schist. SC RI 2. Regional Geology The Alpine Dyke Swarm...lamprophyre to carbonatitic intrusives into the Alpine Schist. The swarm extends NU ~110 km from the vicinity...Wanaka in the south to the Paringa River in the north, and is ~25 km wide (Fig 1). The swarm is almost |  | | Book (edition) | | This book is respectfully dedicated to the memory of Dr. John Sinkankas for his kind initiative and support...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...by Strunz (1996). Thanks to the kind permission of Dr. E. Nagele from the E. Schweizerbart'sche Verlagsbuchhandlung...arisen with localities in Congo-Zaire: the country, named Democratic Republic of Congo since 1960, was changed...The former Kivu province is now divided to three regions: INTRODUCTION Nord-Kivu, Sud-Kivu, and Maniema |  | Moore, K.R., Wall, F., Divaev, F.K., Savatenkov, V.M. (2009) Mingling of carbonate and silicate magmas under turbulent flow conditions: Evidence from rock textures and mineral chemistry in sub-volcanic carbonatite dykes, Chagatai, Uzbekistan. Lithos, 110 (1) 65-82 doi:10.1016/j.lithos.2008.11.013 | Journal (article/letter/editorial) | | Namibia) and occurs in calcite carbonatite at Lueshe, D.R. Congo where incorporation and metasomatic alteration...iron-rich and similar in composition to that in schist (Deer et al., 1992) suggesting that there was assimilation... Le complex à carbonatite et syénite de la Lueshe (N-Kivu, Zaïre): pétrogenèse des roches ignées et caractérisation |  | | Book | | Figures Springer-Verlag Berlin Heidelberg GmbH Prof. Dr. PETER MöLLER Hahn-Meitner-Institut Berlin GmbH Bereich...Reaktor Postfach 390128, D-1000 Berlin 30 FRG Prof. Dr. PETR CERNY Department of Earth Science University...Manitoba, Winnipeg Manitoba R3T 2N2 Canada Prof. Dr. FRANCIS SAUPE Centre de Recherehes Petrographiques...1950. The seeond is still oeeasionally used in North Ameriea. Thus, the entire suite of elements dealt...partial patterns of lanthanite(Ce) from the Britannia Mine, Wales, UK (Bevins et al. 1985) and oflanthanite-(N |
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