 | | Journal (article/letter/editorial) | | compositional trends of columbite–tantalite in the beryl–columbite Šejby granitic pegmatite, Czech Republic:...Bratislava, Slovakia; st.chladek@seznam.cz Corresponding author The simply zoned Šejby pegmatite of beryl–columbite...beryl–columbite subtype is enclosed in migmatitized gneisses – country rocks of the southern part of the...Complex, Bohemian Massif, Czech Republic. The columbite-group minerals (CGM) occur mostly in blocky K-feldspar...K-feldspar unit. Primary magmatic CGM [columbite-(Fe)−tantalite-(Fe)], show an interesting compositional |  | Pršek, Jaroslav, Majka, Jaroslaw, Uher, Pavel, Chudík, Peter (2010) Niobium-tantalum minerals in the Skoddefjellet NYF granitic pegmatite, Svalbard Archipelago, Norway: Primary versus secondary assemblage. Neues Jahrbuch für Mineralogie - Abhandlungen, 187 (3) 235-248 doi:10.1127/0077-7757/2010/0172 | Journal (article/letter/editorial) | | Niobium-tantalum minerals in the Skoddefjellet NYF granitic pegmatite, Svalbard Archipelago, Norway: Primary versus...documented occurrence of Nb-Ta mineralization in a granitic pegmatite from the Svalbard Archipelago, Arctic Caledonides...Ta-bearing phases are discussed. The Skoddefjellet NYF pegmatite located in southwest Spitsbergen (Wedel Jarlsberg...Zr/Hf (~8–10), and (~8–12) Nb/Ta ratios. Columbite-(Fe) and columbite-(Mn) (locally enriched in Ti, Y, Sc...zoning of columbite group minerals is expressed by distinct rimward increase of the Mn/(Mn+Fe) ratio (0 |  | | Journal (article/letter/editorial) | | 3190/jgeosci.113 Original paper Oxide minerals in the granitic cupola of the Jálama Batholith, Salamanca, Spain...Sn–Nb–Ta–Ti oxides occur as accessory minerals in the granitic facies of the External Unit in the Jálama Batholith...related LCT pegmatite dikes of the rare-element class. Moreover, abundant cassiterite and columbite-group minerals...crystallized in the Cruz del Rayo peribatholithic pegmatite dikes, cutting the pre-Ordovician low-grade metasedimentary...Complex. Cassiterite, rutile, ilmenite and tantalite-(Fe) occur disseminated in the border facies of the External |  | Yan, Qing-He, Qiu, Zeng-Wang, Wang, He, Wang, Min, Wei, Xiao-Peng, Li, Pei, Zhang, Rong-Qing, Li, Cong-Ying, Liu, Jian-ping (2018) Age of the Dahongliutan rare metal pegmatite deposit, West Kunlun, Xinjiang (NW China): Constraints from LA–ICP–MS U–Pb dating of columbite-(Fe) and cassiterite. Ore Geology Reviews, 100. 561-573 doi:10.1016/j.oregeorev.2016.11.010 | Journal (article/letter/editorial) | | com/locate/oregeo Age of the Dahongliutan rare metal pegmatite deposit, West Kunlun, Xinjiang (NW China): Constraints...Constraints from LA–ICP–MS U–Pb dating of columbite-(Fe) and cassiterite Qing-He Yan a,c, Zeng-Wang Qiu...Dahongliutan rare metal pegmatite deposit Kunlun orogenic belt Columbite-(Fe) and cassiterite U-Pb dating...Dahongliutan is a medium-size Li–Be–Ta–Nb rare metal pegmatite deposit in the Tianshuihai terrane, West Kunlun...ages of columbite-(Fe) and cassiterite are reported to constrain the metallogenic age. Columbite-(Fe) (with |  | Breiter, Karel, Korbelová, Zuzana, Chládek, Štěpán, Uher, Pavel, Knesl, Ilja, Rambousek, Petr, Honig, Sven, Šešulka, Vojtěch (2017) Diversity of Ti–Sn–W–Nb–Ta oxide minerals in the classic granite-related magmatic–hydrothermal Cínovec/Zinnwald Sn–W–Li deposit (Czech Republic) European Journal of Mineralogy, 29 (4) 727-738 doi:10.1127/ejm/2017/0029-2650 | Journal (article/letter/editorial) | | Common Nb–Ta-rich rutile and rare cassiterite, columbite-(Fe) and -(Mn), and minerals of the pyrochlore-supergroup...in deeper parts of the pluton, whereas common columbite occurs with rare W-rich ixiolite, qitianlingite...Ta-poor cassiterite, which are accompanied by columbite-group minerals, rare W-rich ixiolite and qitianlingite...Throughout the pluton, the molar Mn/(Fe þ Mn) ratio in columbite increases from 0.15–0.40 in the deeper...the rims are always Ta-enriched, whereas the Mn/(Fe þ Mn) values in the rims are equal or lower. The |  | Galliski, Miguel Ángel, Márquez-Zavalía, María Florencia, Černý, Petr, Lira, Raúl (2016) Complex Nb-Ta-Ti-Sn Oxide Mineral Intergrowths In The La Calandria Pegmatite, Cañada Del Puerto, Córdoba, Argentina. The Canadian Mineralogist, 54 (4) 899-916 doi:10.3749/canmin.1500095 | Journal (article/letter/editorial) | | OXIDE MINERAL INTERGROWTHS IN THE LA CALANDRIA PEGMATITE, CAÑADA DEL PUERTO, CÓRDOBA, ARGENTINA MIGUEL...Nb-Ta-Ti-Sn oxide minerals in some zoned Devonian granitic pegmatites at the La Calandria mine, Cañada del...achalaite, ferrotitanowodginite, Ta-rich rutile, columbite-(Mn), ixiolite, and fluorcalciomicrolite. The...Nb over Ta and a clearly defined predominance of Fe over Mn, with minor participation of Ti, Sn, and...I in the outer zones of the pegmatite and, less commonly, local columbite-(Mn) in the inner part. Subsolidus |  | | Journal (article/letter/editorial) | | generations of zoned crystals of columbite-group minerals from granitic aplite–pegmatite in the Gouveia area, central...Mamede de Infesta, Portugal ct ed pr Abstract: Columbite-group minerals from dykes and sills composed of...rare-element-class pegmatite in the Gouveia area show different zonation patterns. The beryl–columbite-subtype and...lower Mn/(Mn þ Fe) ratio than the first generation. The second generation is derived from Fe-Ta-rich early...fluids. The overgrowths are derived from Ta-richer and Fe-poorer hydrothermal fluids than the microveinlets |  | 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) | | 691–713 Rare earth element geochemistry of columbite-group minerals: LA-ICP-MS data T. GRAUPNER1,*...(REE) concentrations and distribution patterns of columbite-tantalite minerals from Ta-ore provinces worldwide...chondritenormalized REE distribution patterns are defined for columbite-group minerals (CGM) from lithiumcaesium-tantalum...progressive evolution of the melt in a pegmatite body (either Nb ? Ta or Fe ? Mn fractionation lines, or both)...pegmatites, columbite-tantalite, REE geochemistry, LA-ICP-MS data. Introduction RARE-ELEMENT granitic pegmatites |  | | Journal (article/letter/editorial) | | PARAGENESES OF MINERALS Stibiomicrolite from Granitic Pegmatite in the Dzhabyk–Karagai Pluton of the South...Stibiomicrolite is known from Canada, the Czech Republic, Slovakia, Italy, and Mozambique (www.mindat.org/min 3738...led to the finding of sti biomicrolite in the pegmatite of the Lepidolite Vein. Its description is given...Expedition no. 8 found pegmatites with beryl, columbite, and lepidolite near the Annensky Settlement (Annensky...Geological Survey con toured 5 sites in the Annensky pegmatite field—the Lepidolite, Eastern, Pionersky, Southern |  | | Journal (article/letter/editorial) | | 2010 Primary Nb-Ta minerals in the Szklary pegmatite, Poland: New insights into controls of crystal...Nb-Ta minerals from the Szklary pegmatite includes columbite-(Fe), columbite-(Mn), tantalite-(Mn), stibiocolumbite...holtite. Anomalous trends of Mn-Fe and Ta-Nb fractionation in the columbite group and crystallization sequences...can be explained by the contamination of the pegmatite-forming melt by ultramafic and mafic wall-rocks...Ta and Sb and with biotite and tourmaline for Mg, Fe, and Ti, and local variations in melt composition |  | Rao, C., Wang, R. C., Hu, H., Zhang, W. L. (2009) COMPLEX INTERNAL TEXTURES IN OXIDE MINERALS FROM THE NANPING No. 31 DYKE OF GRANITIC PEGMATITE, FUJIAN PROVINCE, SOUTHEASTERN CHINA. The Canadian Mineralogist, 47 (5) 1195-1212 doi:10.3749/canmin.47.5.1195 | Journal (article/letter/editorial) | | MINERALS FROM THE NANPING No. 31 DYKE OF GRANITIC PEGMATITE, FUJIAN PROVINCE, SOUTHEASTERN CHINA Can...No. 31 granitic pegmatite, a highly evolved spodumene-type pegmatite in the Nanping pegmatite district...minerals show a sequence from columbite-(Fe) (zone I) through tantalite-(Fe) (zone II) to tantalite-(Mn)...but distinctly become columbite + wodginite in zone IV and, rarely, columbite in the zone V. Microscopic...Microscopic tapiolite-(Fe) is identified as a product of exsolution in cassiterite from the zones II–III, whereas |  | Yin, Rong, Huang, Xiao-Long, Xu, Yi-Gang, Wang, Ru-Cheng, Wang, He, Yuan, Chao, Ma, Qiang, Sun, Xiao-Ming, Chen, Lin-Li (2020) Mineralogical constraints on the magmatic–hydrothermal evolution of rare-elements deposits in the Bailongshan granitic pegmatites, Xinjiang, NW China. Lithos, 352. 105208 doi:10.1016/j.lithos.2019.105208 | Journal (article/letter/editorial) | | evolution of rare-elements deposits in the Bailongshan granitic pegmatites, Xinjiang, NW China Rong Yin, Xiao-Long...evolution of rare-elements deposits in the Bailongshan granitic pegmatites, Xinjiang, NW China, LITHOS(2019),...evolution of rare-elements deposits in the Bailongshan granitic pegmatites, Xinjiang, NW China Rong Yina,b,c... Journal Pre-proof Abstract The Bailongshan pegmatite district in south Xinjiang Province, NW China, is...saccharoidal albite zone (zone I), a graphic ro pegmatite zone (zone II), a blocky microcline zone (zone |  | Gonçalves, , Melgarejo, , Alfonso, , Amores, , Paniagua, , Neto, , Morais, , Camprubí, (2019) The Distribution of Rare Metals in the LCT Pegmatites from the Giraúl Field, Angola. Minerals, 9 (10) 580 doi:10.3390/min9100580 | Journal (article/letter/editorial) | | Abstract: The Giraúl granitic pegmatite field in Angola is composed of five pegmatite types, the most evolved...evolved belong to the beryl-columbite, beryl-columbite-phosphate and spodumene types. Pegmatites are concentrically...the evolution of the pegmatites and within each pegmatite body from border to inner zones, and especially...as Sn, U, Pb, Sb and Bi. Keywords: pegmatites; columbite-group minerals; pyrochlore supergroup; niobium;...beryllium; hydrothermal; Angola 1. Introduction Granitic pegmatites present a broad diversity of mineral |  | Macdonald, Ray, Bagiński, Bogusław, Kartashov, Pavel M., Zozulya, Dmitry, Dzierżanowski, Piotr, Jokubauskas, Petras (2015) Hydrothermal alteration of a chevkinite-group mineral to a bastnäsite-(Ce)-ilmenite- columbite-(Fe) assemblage: interaction with a F-, CO2-rich fluid. Mineralogy and Petrology, 109 (6) 659-678 doi:10.1007/s00710-015-0394-2 | Journal (article/letter/editorial) | | chevkinite-group mineral to a bastnäsite-(Ce)-ilmenite- columbite-(Fe) assemblage: interaction with a F-, CO2-rich...which occurs in a syenitic pegmatite from the Vishnevye Mountains, Urals Region, Russia. The progressive...the chevkinite to a bastnäsite-(Ce)-ilmenite-columbite-(Fe) assemblage through a series of texturally complex...occurrence represents a new paragenesis for a columbite-group mineral. Editorial handling: A. Beran Electronic...documented increases in Ti and reductions in REE and Fe resulting from interaction between chevkinite-(Ce) |  | Galliski, M. A., Marquez-Zavalia, M. F., Cerny, P., Martinez, V. A., Chapman, R. (2008) THE Ta-Nb-Sn-Ti OXIDE-MINERAL PARAGENESIS FROM LA VIQUITA, A SPODUMENE-BEARING RARE-ELEMENT GRANITIC PEGMATITE, SAN LUIS, ARGENTINA. The Canadian Mineralogist, 46 (2) 379-393 doi:10.3749/canmin.46.2.379 | Journal (article/letter/editorial) | | VIQUITA, A SPODUMENE-BEARING RARE-ELEMENT GRANITIC PEGMATITE, SAN LUIS, ARGENTINA Miguel Angel GALLISKI§...minerals in the La Viquita spodumene-bearing granitic pegmatite, San Luis, Sierras Pampeanas, Argentina,...zone inward. Early phases consist of minor columbite-(Fe) in the border and wall zones. In the intermediate...spodumene, homogeneous or oscillatory-zoned columbite-(Fe) crystals occur in the outer parts. They show...show a fractionation trend to tantalite-(Fe) with Ta/(Ta + Nb) ranging from 0.35 to 0.56 at an almost constant |  | Balassone, Giuseppina, Danisi, Rosa Micaela, Armbruster, Thomas, Altomare, Angela, Moliterni, Anna Grazia, Petti, Carmela, Mondillo, Nicola, Ghiara, Maria Rosaria, Saviano, Michele (2015) An insight into crystal chemistry and cation order of columbite-(Fe) and columbite-(Mn) from worldwide occurrences. Neues Jahrbuch für Mineralogie - Abhandlungen: Journal of Mineralogy and Geoche, 192 (3) 275-287 doi:10.1127/njma/2015/0285 | Journal (article/letter/editorial) | | crystal chemistry and cation order of columbite-(Fe) and columbite-(Mn) from worldwide occurrences Giuseppina...electronic supplement Abstract: A set of nine columbite samples (Fe,Mn)(Nb,Ta)2O6, preserved in the Mineralogical...All the samples are columbite-(Fe), except for two samples corresponding to columbite-(Mn). For seven samples...refinements showed that five samples displayed strong (Fe,Mn)2+ vs. (Nb,Ta)5+ disorder at the two octahedral...The octahedral coordination of (Nb, Ta)5+ in columbite is characterized by out-of-center distortion, |  | | Journal (article/letter/editorial) | | August 2008 Paper presented at the symposium “Granitic Pagmatites: the State of the Art”, Porto, May...University, Mlynská dolina G, 842 15 Bratislava, Slovakia, *Corresponding author, e-mail: puher@fns.uniba...complex, rare-element, LiCs-Ta-rich (LCT-family) granitic pegmatites with local low f O2 environment. In...and numerous Nb, Ta-oxide minerals. At Lutsiro pegmatite, foordite is replaced by mosaic fine-grained aggregate...aggregate of secondary foordite-thoreaulite + columbite-tantalite + Ta-rich cassiterite. Simpsonite is |  | | Journal (article/letter/editorial) | | COMPOSITIONAL AND STRUCTURAL VARIATIONS IN COLUMBITE-GROUP MINERALS FROM GRANITIC PEGMATITES OF THE BRUNSWICK AND...the Brunswick pegmatite field and the Central Maine Synclinorium of the Oxford pegmatite field, in Maine...intruded by numerous rare-element granitic pegmatites that carry columbite-group minerals (CGM) as the principal...characteristics (e.g., Topsham area of the Brunswick pegmatite field). Significant chemical-compositional and...Brunswick and Oxford pegmatite fields. Columbite-group minerals from the Brunswick pegmatite field mainly consist |  | Tang, Yong, Zhao, Jing-Yu, Zhang, Hui, Cai, Da-Wei, Lv, Zheng-Hang, Liu, Yun-Long, Zhang, Xin (2017) Precise columbite-(Fe) and zircon U-Pb dating of the Nanping No. 31 pegmatite vein in northeastern Cathaysia Block, SE China. Ore Geology Reviews, 83. 300-311 doi:10.1016/j.oregeorev.2016.10.040 | Journal (article/letter/editorial) | | com/locate/oregeo Precise columbite-(Fe) and zircon U-Pb dating of the Nanping No. 31 pegmatite vein in northeastern...Nanping pegmatite Columbite-(Fe) U-Pb dating Zircon Hf isotope a b s t r a c t The Nanping pegmatite deposit...Block, SE China. Columbite-group minerals from zone I in the Nanping No. 31 pegmatite vein belong to columbite-(Fe)...columbite-(Fe). The compositions and texture features of zircon grains from the same zone identify their...their magmatic origin. Columbite-(Fe) U-Pb age coincides well with the U-Pb age of zircon, and these age |  | | Journal (article/letter/editorial) | | 3749/canmin.52.2.165 THE LATE-STAGE MINIFLOOD OF Ca IN GRANITIC PEGMATITES: AN OPEN-SYSTEM ACID-REFLUX MODEL INVOLVING...Italy Abstract As Richard H. Jahns used to say, granitic pegmatites are prone to stew in their own juice...envision a convecting fluid phase cycling around the pegmatite body, and a reaction path that brings the acidified...acidified fluid back into the heart of the pegmatite. There, it is aggressive toward the microcline perthite...mostly Ca (causing a miniflood of Ca), but also Sr, Fe, Mg, Sc, Li and B. Other elements are efficiently |  | Martins, T., Lima, A., Simmons, W. B., Falster, A. U., Noronha, F. (2011) GEOCHEMICAL FRACTIONATION OF Nb-Ta OXIDES IN Li-BEARING PEGMATITES FROM THE BARROSO-ALVAO PEGMATITE FIELD, NORTHERN PORTUGAL. The Canadian Mineralogist, 49 (3) 777-791 doi:10.3749/canmin.49.3.777 | Journal (article/letter/editorial) | | Li-BEARING PEGMATITES FROM THE BARROSO–ALVÃO PEGMATITE FIELD, NORTHERN PORTUGAL Tânia MARTINS§ Geology...Porto, Portugal Abstract The Barroso–Alvão granitic pegmatite field, located in northern Portugal, is known...petalite-bearing bodies. Recent work on this pegmatite field characterized other types of pegmatites...mineralization and mineral associations. Minerals of the columbite–tantalite group are found in all the LCT (Li–Cs–Ta)...In the petalite and lepidolite pegmatites, the columbite–tantalite group of minerals are found spatially |  | | Journal (article/letter/editorial) | | the Nb–Ta Mineralized Syenitic Dikes in the Panxi Region, SW China Yuan Xue 1,2 , Ningyue Sun 1 and Guowu...the Nb–Ta Mineralized Syenitic Dikes in the Panxi Region, SW China. Minerals 2021, 11, 1204. https:// doi...type Nb–Ta deposits. The Panzhihua–Xichang (Panxi) region is a famous polymetallic metallogenic belt in southwestern...of the main Nb–Ta oxide minerals (including columbite-(Fe), fersmite, fergusonite-(Y), and especially...Xiaoheiqing deposits, in the Huili area, Panxi region, to reveal the magma evolution process of syenitic-dike-related |  | Xie, Lei, Tao, Xiangyuan, Wang, Rucheng, Wu, Fuyuan, Liu, Chen, Liu, Xiaochi, Li, Xingkui, Zhang, Rongqing (2020) Highly fractionated leucogranites in the eastern Himalayan Cuonadong dome and related magmatic Be–Nb–Ta and hydrothermal Be–W–Sn mineralization. Lithos, 354. 105286 doi:10.1016/j.lithos.2019.105286 | Journal (article/letter/editorial) | | two-mica granite, muscovite granite, and granitic 18 pegmatite (aplite), crop out in the eastern Himalayan...the two-mica granite, muscovite granite, and pegmatite– 23 aplite dikes. Albite, muscovite, and garnet...muscovite granite and pegmatite are associated with 29 rare-metal 30 columbite-group minerals, tapiolite...magmatic Be– 35 Nb–Ta mineralization related to pegmatite–aplite dikes and hydrothermal Be–W–Sn 36 mineralization...38 in the Cuonadong dome at ca. 20 and 17 Ma. Columbite U–Pb dating indicates two 39 stages of rare-metal |  | | Journal (article/letter/editorial) | | November 2011 Article Geochemistry of granitic aplite-pegmatite veins and sills and their minerals from...12 tables Abstract: Granitic beryl-columbite-phosphate subtype aplite-pegmatite veins and sills from...that the biotite > muscovite granite and aplite-pegmatite veins and sills are derived from the earlier two-mica...polylithionite and rare lepidolite), cassiterite, columbite-tantalite, fluorapatite and triplite. In aplite-pegmatites...micas replace lithian muscovite. Complexely zoned columbite crystals are chemically characterized and attributed |  | Badanina, E.V., Sitnikova, M.A., Gordienko, V.V., Melcher, F., Gäbler, H.-E., Lodziak, J., Syritso, L.F. (2015) Mineral chemistry of columbite–tantalite from spodumene pegmatites of Kolmozero, Kola Peninsula (Russia) Ore Geology Reviews, 64. 720-735 doi:10.1016/j.oregeorev.2014.05.009 | Journal (article/letter/editorial) | | elsevier.com/locate/oregeorev Mineral chemistry of columbite–tantalite from spodumene pegmatites of Kolmozero...Available online xxxx Keywords: LCT family pegmatites Columbite–tantalite Niobium–tantalum ore deposits LA-ICP-MS...was not observed in the Kolmozero pegmatites. Columbite-group minerals occur in all main parageneses of...form four generations, reflecting the sequence of pegmatite formation. These minerals demonstrate wide variations...ranges from columbite-(Fe) to tantalite-(Mn). Fractionation trends were observed in Mn/(Mn + Fe) versus Ta/(Ta |
|
