 | Graupner, T., Melcher, F., Gäbler, H.-E., Sitnikova, M., Brätz, H., Bahr, A. (2010) Rare earth element geochemistry of columbite-group minerals: LA-ICP-MS data. Mineralogical Magazine, 74 (4) 691-713 doi:10.1180/minmag.2010.074.4.691 | Journal (article/letter/editorial) | | during progressive evolution of the melt in a pegmatite body (either Nb ? Ta or Fe ? Mn fractionation...melt. In general, CGM from each individual Ta-ore province are characterized by a predominance of one type...mineral-melt partitioning during crystallization of the pegmatite body and by secondary hydrothermal or weathering...causing addition, loss or redistribution of REE. Pegmatite bodies may contain up to several generations of...provide constraints on the genesis of rare-element pegmatite systems. Furthermore, it may be used as a valuable |  | | Journal (article/letter/editorial) | | Mineralization Kiharan Proterozoic Central Africa Pegmatite 1. Introduction The middle Proterozoic Kibaran...southwest, through Zaire, Burundi, Tanzania, and Rwanda to southwest Uganda in the north northeast. Its...Rift and a northeastern province covering Burundi, Rwanda, the west lake district of Tanzania, and southwest...Cumulative cassiterite production in the northeastern province, for example, may be estimated at approximately...No-Nyarnulilo W; Rh-Ruhiza W. Rwanda: B-Bugarama W; Bu-Buranga pegmatite; Mi-Miyovc Au; Bi-Bisesero Au; |  | | Journal (article/letter/editorial) | | Kibaran orogenic belt extending lrom Uganda. through Rwanda and Kivu. Maniema and Shaba provinces o l Zaire...belt. Another characteristic. lithiumbearing pegmatite procince is lound in the basement rocks o f Zimbabwe...Cassiterite 1. Introduction Although the major granite pegmatite regions of Africa have been known for a long time...demand. The present study reviews the principal pegmatite regions in Africa, where extensive mining of minerals...paid t o the mineralogy and geochemistry of the pegmatite deposits, and in particular t o tin and tantalum |  | | Journal (article/letter/editorial) | | Cornwall, luxullianite, 441; 442 Scar Crag, Lake District, arsenopyrite, alloclase, glaucodot, cobaltian...samples, I65 IRELAND Currywongann, Connemara, acid pegmatite and orthopyroxenite, 473 CHANNEL ISLANDS Chouet...Chanteloube, Limoges, alluaudite, 230 Piedmont zone, Western Alps, chromian jadeite, phengite, pumpellyite,...deerite, 25I Spain (Espafia) Cerro del Hierro, Province of Sevilla, goethite, 355 Italy (Italia) Beth...'hauchecornite', 875 Verkhne Dnieprovsk, Ekaterinoslav District, Ukraine, iron meteorite, I49 Turkey (Ttirkiye) |  | | Report (issue) | | metamorphosed sedimentary deposits. Association: Muscovite, albite, apatite, tourmaline ([Córrego Frio mine...lazulite-scorzalite, augelite, bertossaite, apatite (Buranga pegmatite, Rwanda). Distribution: In Brazil, from the Córrego...Córrego Frio and other nearby pegmatite mines, Divino das Laranjeiras, near Linópolis, and from São...Newry, Oxford Co., Maine; from the White Picacho district, Maricopa and Yavapai Co., Arizona. In the Big...Yukon Territory, Canada. From the Buranga pegmatite, near Gatumba, Rwanda. At Millstätter Seenrücken, Carinthia |  | | Journal (article/letter/editorial) | | Li-Mn-Fe phosphate minerals from the Buranga pegmatite, Rwanda A.-M. FRANSOLET Institut de Min6ralogie...Belgium S U M M A R Y. F r o m the Buranga pegmatite, Rwanda, t h r e e occurrences of eosphorite-childrenite...ferrisickleriteheterosite formation. IN the Buranga pegmatite, Rwanda, Von Knorring (I965) has mentioned the...granitic pegmatites; this research, based only on the Buranga mine example, tends to show that new indications... Such correlations cannot be proposed for the Buranga material because the number of investigated specimens |  | | Journal (article/letter/editorial) | | both within the belt and in foreland troughs. The western molasse and the whole belt were again orogenically...southwest, through Zaire, Burundi, Tanzania and Rwanda to southwestern Uganda in the NNE. Its overall...Rift and a northeastern province covering Burundi, Rwanda, the West Lake district of Tanzania and southwest...southwest Uganda. The northeastern province is the main subject of this paper (Fig. 2 ). Since the discovery...No---Nyamulilo W; Rh--Ruhiza W. Rwanda: B---Bugarama W; Bu--Buranga pegmatite; Mi--Miyove Au; G--Gifurwe W; |  | | Journal (article/letter/editorial) | | bertossaite {CaLi2[Al4(PO4)4(OH,F)4]} from the Buranga pegmatite, Rwanda, was investigated by single-crystal X-ray...crystal structure, infrared spectroscopy, Buranga pegmatite, Rwanda. Sommaire Un échantillon de bertossaïte...{CaLi2[Al4(PO4)4(OH,F)4]} provenant de la pegmatite de Buranga, Rwanda, a été étudié par diffraction des rayons...cristalline, spectroscopie infrarouge, pegmatite de Buranga, Rwanda. Introduction Bertossaite, CaLi2[Al4(PO4)4(OH...and von Knorring & Mrose (1966) in the Buranga pegmatite, Rwanda, in association with augelite [Al2(PO4) |  | Hatert, Frédéric, Galliski, Miguel, Roda-Robles, Encarnación, Vignola, Pietro, Fransolet, André-Mathieu (2016) Crystal Chemistry of the Wyllieite Group of Phosphate Minerals. The Canadian Mineralogist, 54 (4) 1087-1101 doi:10.3749/canmin.1600033 | Journal (article/letter/editorial) | | wyllieite from the Buranga pegmatite, Rwanda (A); wyllieite from the Malpensata pegmatite, Italy (B); and...and qingheiite from the Santa Ana pegmatite, Argentina (C). Their crystal structures were refined, based...was confirmed in rosemaryite from the Buranga pegmatite, Rwanda (Hatert et al. 2006), as well as in the...wyllieite from the Buranga pegmatite, Rwanda, of wyllieite from the Malpensata pegmatite, Italy, and of qingheiite...qingheiite from the Santa Ana pegmatite, Argentina. A petrographic study of ferrowyllieite and ferrorosemaryite |  | | Journal (article/letter/editorial) | | minerals such as pyrophyllite, kaolinite, and muscovite, and devoid of any aluminum phosphates. Light...Matsumoto Scholarship. REFERENCES 1, Buranga pegmatite, Rwanda (Von Knorring and Fransolet, 1977). 2...Andalusite–bearing Roseki Ore Deposits in the Abu District, Yamaguchi Prefecture, Japan. Monthly Reports...(PO4)2(OH)2·H2O: a new species from the Buranga pegmatite, Rwanda. Neues Jahrbuch für Mineralogie, Monatshefte...Hinomaru– Nako mine, Abu–cho, Yamaguchi Prefecture, Western Japan. Memoirs of the National Science Museum, |  | Vignola, Pietro, Hatert, Frédéric, Roda-Robles, Encarnación, Simmons, William B., Francis, Carl A. (2014) PEGMATITIC PHOSPHATE: A TRIBUTE TO FRANÇOIS FONTAN, ANDRÉ-MATHIEU FRANSOLET, AND PAUL KELLER. The Canadian Mineralogist, 52 (2) 121-128 doi:10.3749/canmin.52.2.121 | Journal (article/letter/editorial) | | the petrologic processes involving both single pegmatite dikes and entire pegmatitic swarms or fields....revealing the geological history of the hosting pegmatite. The central part of the 20th century was characterized... occurrence, and the features of the hosting pegmatite. As an example, the first complete descriptions...phosphate paragenesis characterizing a specific pegmatite are due to Mason (1941) and Quensel (1952), who...studies about: primary hagendorfite at the Kibingo pegmatite (Fransolet et al. 2004); the minerals belonging |  | | Journal (article/letter/editorial) | | belts, which extend over 700 km from the Katanga Province (Southeastern Congo) to Uganda, were formed by...by the Mesoproterozoic collision of the Western Congo Craton, with the Eastern Tanzanian, Bangweulu, and...KaragweAnkole Belt (KAB) to the northeast (Burundi, Rwanda, and Uganda). The KIB is separated from the KVB...± 23 Ma [30]. Furthermore, extensive dating in Rwanda, based on Rb/Sr, was invalidated in [17] using...and 1956. N. Varlamoff expanded his fieldwork to Rwanda and Burundi between 1960 and 1969 in order to study |  | | Journal (article/letter/editorial) | | 613 SHORT COMMUNICATIONS Berlinite from Rwanda THE occurrence of berlinite at Westans iron mine, near...Belgium of material from the Buranga pegmatite, in the Katumba region of Rwanda, show that berlinite forms...suite of phosphate minerals developed in the pegmatite, a preliminary account of which has been given...on the other by very fine-grained muscovite grading into a muscovite-apatite assemblage. At the contact... TABLE I. X-ray powder data for berlinite from Rwanda; from photographs taken with Cu-Ka radiation (~ |  | Galliski, M. A., Oyarzabal, J. C., Marquez-Zavalia, M. F., Chapman, R. (2009) THE ASSOCIATION QINGHEIITE - BEUSITE - LITHIOPHILITE IN THE SANTA ANA PEGMATITE, SAN LUIS, ARGENTINA. The Canadian Mineralogist, 47 (5) 1213-1223 doi:10.3749/canmin.47.5.1213 | Journal (article/letter/editorial) | | QINGHEIITE – BEUSITE – LITHIOPHILITE IN THE SANTA ANA PEGMATITE, SAN LUIS, ARGENTINA Miguel Angel GALLISKI §...Ana mine (32°53’32” S, 65°55’43” W), San Luis province, Argentina, in a beryl type, beryl–columbite–phosphate...beryl–columbite–phosphate subtype of rare-element pegmatite, and in the closely related La Empleada dike. At Santa Ana...crystallization of the border and wall zones of the pegmatite. The exsolution of this precursor led to the formation...beusite, lithiophilite, exsolution, granitic pegmatite, Santa Ana, Sierras Pampeanas, Argentina. Sommaire |  | | Report (issue) | | 70 CaO 0.08 F Li2 O H2 O+ 9.52 10.17 (1) Tanco pegmatite, Canada; corresponds (2) LiAl(PO4 )(OH, F) with...triplite, lithiophilite, lacroixite, crandallite, muscovite, albite. Distribution: A few localities for well-studied...Varuträsk pegmatite, 15 km northwest of Skellefteå, Västerbotten, Sweden. From the Tanco pegmatite, Bernic...elsewhere in Maine; in the Midnight Owl pegmatite, White Picacho district, Maricopa Co., Arizona; in South Dakota...places in Minas Gerais. In the Buranga pegmatite, near Gatumba, Rwanda. Name: For the locality, Montebras |  | Galliski, M. A., Cerny, P., Marquez-Zavalia, M. F., Chapman, R. (2012) An association of secondary Al-Li-Be-Ca-Sr phosphates in the San Elias pegmatite, San Luis, Argentina. The Canadian Mineralogist, 50 (4) 933-942 doi:10.3749/canmin.50.4.933 | Journal (article/letter/editorial) | | SECONDARY Al–Li–Be–Ca–Sr PHOSPHATES IN THE SAN ELÍAS PEGMATITE, SAN LUIS, ARGENTINA Miguel Á. GALLISKI§ IANIGLA...phosphates from the Li-bearing, rare-element San Elías pegmatite in the Eastern Pampean ranges of Argentina shows...hydroxylapatite formed after P–T equilibration between the pegmatite and its host rock along the path of metamorphic... Sr and minor S from the host rocks into the pegmatite (at about <300°C); (iii) at a still lower T, the...mainly of kaolinite, quartz and minor lithian muscovite, K-feldspar (adularia) , and traces of residual |  | | Journal (article/letter/editorial) | | (mainly Rwanda and the DR Congo), around the Kenticha mine (Ethiopia) and in the Alto Ligonha Province (Mozambique)...columbite-tantalite is typical of the Alto Ligonha Province (Mozambique), the Arabian-Nubian Shield (Egypt...1992; Černý et al., 2005). The provenance of pegmatite magmas remains poorly understood. Based on a study...affiliation and rare-element signature of the granite-pegmatite systems”. Peraluminous granites and associated...defined and include, in order of relative importance, Rwanda, the Democratic Republic of the Congo (DRC), Mozambique |  | | Journal (article/letter/editorial) | | the Jálama batholith in the Navasfrı́as Sn-W District, Salamanca, Spain T. LLORENS* AND M. C. MORO...crystallized to form a group of intra-granitic pegmatite dykes, which are hosted by its outermost facies...fractures to form the Cruz del Rayo field of pegmatite dykes, which are hosted by pre-Ordovician low-grade...series. A strong albitization of the granitic and pegmatite rocks led to the replacement of the primary assemblage...interaction. Introduction SECONDARY granite and pegmatite phosphates have been extensively documented (e |  | | Journal (article/letter/editorial) | | their unusual mineral species. The Palermo No. 1 pegmatite is located in the White Moun tains of central...North Groton. Its surround ings and even the pegmatite itself are unpretentious. The min erals of greatest...issue of Rocks and Minerals entitled " T h e Pegmatite Minerals of the Palermo Quarry." Verrow's mineral...served to reveal the truly rich mineralogy of this pegmatite. By the end of the 1943 mining season, General...working primarily on the phosphates of the Palermo pegmatite. In May o f 1974, the mineral rights to the quarry |  | Hatert, Frédéric Baijot, Philippo, Simon, Wouters, Johan (2010) Qingheiite-(Fe2+), Na2Fe2+MgAl(PO4)3, a new phosphate mineral from the Sebastiao Cristino pegmatite, Minas Gerais, Brazil. European Journal of Mineralogy, 22 (3) 459-467 doi:10.1127/0935-1221/2010/0022-2030 | Journal (article/letter/editorial) | | phosphate mineral from the Sebastião Cristino pegmatite, Minas Gerais, Brazil FRÉDÉRIC HATERT1,*, MAXIME...mineral species from the Sebastião Cristino pegmatite, Minas Gerais, Brazil. It occurs as rims around...most important pegmatite provinces in the world, the Eastern Brazilian Pegmatite Province (EBPP). This...This province is located at the East side of the Saõ Francisco craton, mainly in the state of Minas Gerais...Gerais, among which 15 from the Conselheiro Pena district (Galiléia, Divino das Laranjeiras, Mendes Pimentel |  | | Journal (article/letter/editorial) | | other lithium minerals except in the Mterikati pegmatite. Lithiophorite is the only other lithium mineral...the Dam Site pegmatite. The refractive indices of montebrasite from the Benson 2 pegmatite (no. 13, table...replaces montebrasite in a sample from the Bikita pegmatite and members of the goyazite and possibly of the...in six perthite-rich pegmatites from the Miami district of Rhodesia appears to be manganoan fluorapatite...from the Bulema pegmatite (Kigezi, Uganda) have r 1.633 and 1-639. In the Bikita pegmatite, the grain-size |  | Hulsbosch, Niels, Hertogen, Jan, Dewaele, Stijn, André, Luc, Muchez, Philippe (2014) Alkali metal and rare earth element evolution of rock-forming minerals from the Gatumba area pegmatites (Rwanda): Quantitative assessment of crystal-melt fractionation in the regional zonation of pegmatite groups. Geochimica et Cosmochimica Acta, 132. 349-374 doi:10.1016/j.gca.2014.02.006 | Journal (article/letter/editorial) | | rock-forming minerals from the Gatumba area pegmatites (Rwanda): Quantitative assessment of crystal-melt fractionation...fractionation in the regional zonation of pegmatite groups Niels Hulsbosch a,⇑, Jan Hertogen a, Stijn Dewaele...whole sequence of regional pegmatite zonation. The Gatumba pegmatite field (Rwanda, Central Africa) is chosen...pegmatites grade outwardly into biotite, two-mica and muscovite pegmatites. Rare-element (Nb–Ta–Sn) pegmatites...K-feldspar (Rb 350–6000 ppm, Cs 2–160 ppm) and muscovite (Rb 670– 7000 ppm, Cs 10–150 ppm) define a single |  | 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) | | 3.2. Kamativi Schist Belt (western Zimbabwe) 4.3.3. Orange River Pegmatite Belt (Namibia, South Africa)...Radiometric data 4.4.2.2. Mineralogy 4.4.3. Alto-Ligonha Province (northern Mozambique) 4.4.3.1. Radiometric data...3.2. Kamativi Schist Belt 5.3.3. Orange River Pegmatite Belt 5.4. Late Neoproterozoic to early Paleozoic...Pegmatites of Ethiopia and Somalia 5.4.3. Alto-Ligonha Province (Mozambique) 5.4.4. Damara Belt (Namibia) 5.4...presented for 13 rare-element granite NU and pegmatite districts in Africa, covering Archean, Paleoproterozoic |  | | Journal (issue) | | Richard A. Bideaux M ineralogist feature articles Pegmatite Phosphates: Descriptive Mineralogy and Crystal...Supply Co. $65.00. The Mineralogical Record Pegmatite Phosphates: Descriptive Mineralogy and Crystal...phosphate minerals, which occur at all stages of pegmatite genesis, are among the most extensive of any mineral...interest in them than mineralogists. No doubt, the pegmatite phosphates prove most reward ing collecting material...collectors overlook them so that many of the classical pegmatite localities, presently abandoned, still may yield |  | | Journal (article/letter/editorial) | | Inclusions of quartz, tourmaline, apatite, and muscovite crystals have been described. Brazilianite is...scorzalite, wylleite, eosphorite, siderite, albite, muscovite, quartz, and microcline. It also occurs as a sparse...No. 1 mines, also in Grafton County; and the pegmatite at the G. E. Smith mine near Newport, Sullivan...spelling. This classic 4.7cm brazilianite and muscovite specimen is historically attributed to the original...The site was correctly ascribed to the Moscovita district of Conselheiro Pena Township. Conselheiro Pena |
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