 | Siegel, Karin, Wagner, Thomas, Trumbull, Robert B., Jonsson, Erik, Matalin, Gabriella, Wälle, Markus, Heinrich, Christoph A. (2016) Stable isotope (B, H, O) and mineral-chemistry constraints on the magmatic to hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden) Chemical Geology, 421. 1-16 doi:10.1016/j.chemgeo.2015.11.025 | Journal (article/letter/editorial) | | hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden) Karin Siegel a, Thomas Wagner...Resources, Geological Survey of Sweden, Box 670, SE-75128 Uppsala, Sweden e CEMPEG, Department of Earth...Sciences, Uppsala University, SE-75236 Uppsala, Sweden f Department of Earth Sciences, Institute of Geochemistry...evolution of the Varuträsk rare-element pegmatite (Skellefte District, Northern Sweden) has been investigated...tourmaline and coexisting micas, feldspar and quartz. Varuträsk is a classic and typical example of highly fractionated |  | Černý, Petr, Chapman, Ron, Ferreira, Karen, Smeds, Sten-Anders (2004) Geochemistry of oxide minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite-tantalite trend. American Mineralogist, 89 (4) 505-518 doi:10.2138/am-2004-0405 | Journal (article/letter/editorial) | | minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite-tantalite... SE-752 36 Uppsala, Sweden 1 ABSTRACT The complex, petalite-subtype Varuträsk pegmatite in the Proterozoic...Proterozoic rocks of northern Sweden is, as a whole, rather poor in Nb and Ta. The pegmatite consolidated...pegmatites. The degree of cation order in the Varuträsk columbite-group minerals increases from early...minerals and cassiterite in the petalite-subtype Varuträsk pegmatite emphasizes the importance of specific |  | | Journal (article/letter/editorial) | | pegmatite, situated about 10 km. from Skelleftea, in Sweden. Three main stages can be distinguished : (a) An...unit, and a lower temperature phase with a cleavelandite replacement unit and a feebly developed fluorite...albite, in general developed as cleavelandite. The name cleavelandite unit has therefore been taken to...mineral of this phase. The Cleavelandite Replacement Unit.—The cleavelandite unit represents the first...Wherever this replacement unit has been active, cleavelandite is the predominant mineral. In many cases it |  | | Journal (volume) | | replacement bodies it is typical cleavelandite. The crystal plates of the cleavelandite are likewise in many instances...instances curved. Radial arrangement of the cleavelandite crystals is typical of the replacement bodies...The garnetil occurring in association with cleavelandite and lepidolite contains MnO 33 %, FeO 2 % and...also been reported from Fremont County, Wyoming, and from Cunnison County, Colorado (Dooley and Hathaway...Connecticut (Hildebrand et al., 1957) and in Amelia County, Virginia (Mitchell, 1965). Closely resembling |  | | Journal (article/letter/editorial) | | first identified in 1938 in lithium pegmatites of Sweden in association with petalite, spodumene, and lepidolite...of an aplitelike structure. Quartz, albite (cleavelandite), pink lepidolite (trilithionite and polylithiolite)...7.18 4.91 2.12 0.33 11.30 15.61 ^ Varuträsk, Sweden (Groat et al., 1987; Cern y′ et al., 2004)...Peretyazhko, 1992) 0.20 0.15 0.24 Na Varuträsk, Sweden (Groat et al., 1987; C ern y′ et al., 2004)...Sn, and Sb in the Varutrásk Granitic Pegmatite, Sweden: The Case of an “Anomalous” Columbite–Tantalite |  | Baijot, Maxime, Hatert, Frédéric, Dal Bo, Fabrice, Philippo, Simon (2014) Mineralogy and petrography of phosphate mineral association from the Jocão pegmatite, Minas Gerais, Brazil. The Canadian Mineralogist, 52 (2) 373-397 doi:10.3749/canmin.52.2.373 | Journal (article/letter/editorial) | | dumps. The presence of saccharoidal albite and cleavelandite indicate that this pegmatite was affected by...intergranular phosphates occurring between “cleavelandite” grains Dendritic triphylite + albite + quartz...and frondelite as interganular grains between cleavelandite lamellae or frondelite as replacement phase...Sidenjsö dike, in the Stora Persholmen pegmatite in Sweden (Smeds et al. 1998), and in the Yellowknife pegmatite...forms intergranular fibroradial masses between cleavelandite lamellae, in close association with minerals |  | | Journal (volume) | | c1eavelandite-bearing units near the co re of the pegmatite. Cleavelandite, however, is missing and quartz pods are scarce...Bulletin 368 of white cleavelandite, quartz, schorl and muscovite. Some of the cleavelandite veins contain curvilamellar...most closely associated with quartz, petalite, cleavelandite, K-feldspar and spodumene. Some cubic met res...albite which are related to nearby bodies of cleavelandite + quartz + muscovite ± tourmaline ± columbite...quartz, lepidolite, green and red elbaites and cleavelandite. So me of the Li-rich units also contain rare |  | | Journal (volume) | | formed as fraeture fillings and eontain mainly cleavelandite or sugar albite, quartz, museovite and small...9) and generally eome to an end in a large cleavelandite or sugar albite body in the middle of the pegmatite...platy (deavelandite) or sugary (sugar albite). Cleavelandite and sugar albite often characterize the intermediate...Post, Kenya (Richardson 1975). Rose muscovite, Varuträsk, Swede n (Berggren 1941). Rose muscovite, Goshen...and short euhedral to anhedral cryst als in cleavelandite together with lepidolite, amblygonite-montebrasite |  | | Journal (article/letter/editorial) | | In addition, replacement zones developed as cleavelandite after perthitic microcline units in the intermediate... the greisen pockets replace the secondary cleavelandite units. During internal differentiation, multiphase...fractionation and subsequent replacement reactions of cleavelandite after microcline in the intermediate zone were...NaCl) distinctly after the formation of the cleavelandite replacement units. Subsolidus Cst3 precipitation...addition, 31 replacement zones developed as cleavelandite after perthitic microcline units in the intermediate |  | | Journal (article/letter/editorial) | | mica and albite. The latter, commonly of the “cleavelandite” habit, occurs in millimetric to centimetric...1992), the lepidoliterich unit in the Varuträsk pegmatite, Sweden (Černý et al. 2004) and the Greer Lake...minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an “anomalous” columbite–tantalite |  | Beurlen, Hartmut, Da Silva, Marcelo R. R., Thomas, Rainer, Soares, Dwight R., Olivier, Patrick (2008) Nb–Ta–(Ti–Sn) oxide mineral chemistry as tracer of rare-element granitic pegmatite fractionation in the Borborema Province, Northeastern Brazil. Mineralium Deposita, 43 (2) 207-228 doi:10.1007/s00126-007-0152-4 | Journal (article/letter/editorial) | | followed by a zone of rosette-like aggregates of cleavelandite (Ab) and columnar lepidolite (lp), growing inwards...irregular pockets of medium- to fine-grained cleavelandite and/or muscovite and/or lepidolite selvages...crystals in the transition from zone III to IV (cleavelandite and lepidolite roses, radial tourmaline aggregates...4a,b) as generally proposed in the BPP for cleavelandite, lepidolite and tourmaline aggregates. A primary...relations as in Fig. 3 are now observed between cleavelandite (Ab), bi-colored elbaite (rose and light blue |  | Sunde, Øyvind, Friis, Henrik, Andersen, Tom, Trumbull, Robert B., Wiedenbeck, Michael, Lyckberg, Peter, Agostini, Samuele, Casey, William H., Yu, Ping (2020) Boron isotope composition of coexisting tourmaline and hambergite in alkaline and granitic pegmatites. Lithos, 352. 105293 doi:10.1016/j.lithos.2019.105293 | Journal (article/letter/editorial) | | larger and contain loose crystals of tabular cleavelandite, quartz, K-feldspar, tourmaline, hambergite...samples is similar to that for the peraluminous Varuträsk and Borborema pegmatites and with the range of...history of the Himalaya Mine, Mesa Grande, San Diego County, California. Rocks Mineral. 73, oo f 156-180...hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden). rn Chemical Geology 421...brl=beryl, bt=biotite, chv=chiavennite, clv=cleavelandite, cpy=chalcopyrite, dan=danalite, dbr=danburite |  | Chudík, Peter, Uher, Pavel, Gadas, Petr, Škoda, Radek, Pršek, Jaroslav (2011) Niobium-tantalum oxide minerals in the Jezuitské Lesy granitic pegmatite, Bratislava Massif, Slovakia: Ta to Nb and Fe to Mn evolutionary trends in a narrow Be,Cs-rich and Li,B-poor dike. Mineralogy and Petrology, 102 (1) 15-27 doi:10.1007/s00710-011-0163-9 | Journal (article/letter/editorial) | | garnet), and rarely fan-shaped platy albite (cleavelandite variety) extensively replace the older pegmatite...coarse-grained quartz-microclinemuscovite and quartz-cleavelandite unit (0.49−0.81; Uher et al. 1994). An analogous...minerals of Nb, Ta, Sn and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an “anomalous” columbitetantalite |  | | Journal (volume) | | pegmatites from Sveconorwegian terranes in southwestern Sweden. Precambrian Research 76, 15-30. Simmons, W.B....pegmatites are to a large extent replaced by a cleavelandite phase. Quarrying for lepidolite, amazonite and...process of replacement of amazonite pegmatite by cleavelandite pegmatite in the Høydalen area have been discussed...is quartz-free and consists of platy albite (cleavelandite) with a 1 cm large inclusion of deep-green gadolinite-(Y)...contact with albite and quartz. There is no cleavelandite in this sample. 22 Analytical details Electron |  | | Journal (article/letter/editorial) | | and monazite. Secondary mineralogy includes cleavelandite, hectorite, eucryptite and alteration zones...similar trends have been recorded in the Varuträsk pegmatite, Sweden (Černý et al., 2004), an explanation...of oxide minerals of Nb, Ta, Sn and Sb in the Varuträsk granitic pegmatite, Swede: The case of an “anomalous” |  | | Book (volume) | | other three, are arranged from north to south. For Sweden, a general summary of the metallogeny of that country...the one that contains the iron ores of central Sweden in which the numerous ore bodies are of a few 5...District, all the deposits of which are located in Västerbotten province. This district is here divided into...follow three other deposits in Västerbotten, Lainijaur, Stekenjokk, and Varuträsk, no one of which is genetically...countries: Ireland England Scotland 3 7 1 Wales Norway Sweden 1 7 17 Finland Poland USSR 12 2 30. These 80 |  | | Book | | from minerals found in the pegmatite at Ytterby, Sweden. Both supposed oxides were later found to be mixtures...eourse of analyzing pegmatite minerals from Ytterby, Sweden and Kimito, Finland. The new "element" was named...fractures in altered greenstones from San Benito County, California, is reported with 20.57 wt.% RE2 0...syenites and a1kali granites like the Bastnässkarns (Sweden) and the Mountain Pass carbonatites (California)...in granitic pegmatites (fluocerite from Österby, Sweden), albitized alkali granites and albitites emanating |  | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, Pfänder, Jörg (2019) Archean Rare-Metal Pegmatites in Zimbabwe and Western Australia - Geology and Metallogeny of Pollucite Mineralisations. Springer International Publishing. doi:10.1007/978-3-030-10943-1 | Book | | Europe: 1 Vasin Myl’k (Russia); 2 Varuträsk (Finland); 3 Borkenas-Orust (Sweden); 4 Leinster (Ireland); 5 Koralpe...Creek Colorado; 36 Harding New Mexico; 37 San Diego County California (USA). South America: 38 Mamoes (Parnamirim);...past was reported from the occurrences in Namibia, Sweden and China. The other locations only contain minor...bearing pegmatites of Utö, Stockholm archipelago, Sweden. Geol Fören Stockh Förh 111:361–372 Stewart DB...Langhof J, Smeds SA, Grensman F (1996) Pollucite in Sweden: occurrences, crystal chemistry, petrology and |  | Hulsbosch, Niels, Boiron, Marie-Christine, Thomas, Rainer, Van Daele, Johanna, Dewaele, Stijn, Muchez, Philippe (2019) Evaluation of the petrogenetic significance of melt inclusions in pegmatitic schorl-dravite from graphic tourmaline-quartz assemblages: Application of LA-ICP-QMS analyses and volume ratio calculations. Geochimica et Cosmochimica Acta, 244. 308-335 doi:10.1016/j.gca.2018.10.023 | Journal (article/letter/editorial) | | hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden). Chemical Geology 421, 1-16...montebrasite, spodumene and elbaite albite and cleavelandite patches, granite magma paragenetically followed |  | | Journal (issue) | | Stettin Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………..21 DOLGOPOLOVA...cavities in the Havey pegmatite, Poland, Androscoggin County, Maine, USA…………………………………………………………………………173 WISE...southern Norway and adjacent parts of southwestern Sweden (Fig. 1) is the product of a series of crustal...intrusions of the Transscandinavian Igneous Belt in Sweden and the rapakivi granites of southern Finland....University of Gothenburg, Box 460, SE-405 30 Göteborg, Sweden 2 Keywords: Spodumene pegmatite, Leinster Granite |  | Feng, Yonggang, Liang, Ting, Yang, Xiuqing, Zhang, Ze, Wang, Yiqian (2019) Chemical Evolution of Nb-Ta Oxides and Cassiterite in Phosphorus-Rich Albite-Spodumene Pegmatites in the Kangxiwa–Dahongliutan Pegmatite Field, Western Kunlun Orogen, China. Minerals, 9 (3) 166 doi:10.3390/min9030166 | Journal (article/letter/editorial) | | coeval with spodumene and (2) bladed albite (cleavelandite) formed during the albitization of the pegmatites...minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite–tantalite |  | | Journal (article/letter/editorial) | | based on his examination of pegmatites in San Diego County, California (e.g., Jahns, 1954, 1979). In the U...is enriched along the hanging wall. In San Diego County, California, where Jahns developed his model, approximately...reappears in abundance in the latest-stage albitic (cleavelandite habit) zones, normally in association with lepidolite...miarolitic dikes (e.g., Figs. 5, 19) of San Diego County, California and in the giant Tanco pegmatite (London...metasomatic aureole developed around them. In San Diego County, dikes that can be traced and sampled for a kilometer |  | | Journal (volume) | | Montebrasiitti. Quensel, P. Minerals of the Varuträsk Pegmatite XXXIX. A Fourth Variety of Montebrasite...1929. Iksioliitti. Quensel, P. Minerals of the Varuträsk pegmatite XXX. G. F. F. 63. s. 300-310. 1941....1888. Iksioliitti. Amark, Karin. Minerals of the Varuträsk pegmatite. G. F. F. 63. S. 295-299. 1941. Kassiteriitti...Kimito-tantaliitti . Quensel, P. Minerals of the Varuträsk pegmatite. G. F. F. 63. S. 300-310. 1941. Tantaliitti...Aa. Tantaliitti. Amark, Karin. Minerals of the Varuträsk pegmatite. G. F. F. 63. S. 295-299. 1941. Tapioliitti |  | | Book | | 1998–2000. Per Enghag Stortorget 17 70211 Örebro Sweden All books published by Wiley-VCH are carefully...Forgeable 189 Steel Manufacture from Wrought Iron 190 Sweden and England – Cooperation and Competition 191 Iron...Iron Ores With and Without Phosphorus 191 England–Sweden in Cooperation 192 The Puddling Process – An English...Brittleness 538 Del Rio’s Lost Element Appears in Sweden 538 A Scientific Triangle Drama 540 Vanadium Metal...Dr. Sven Arvidsson at The Geological Survey of Sweden. They have commented on the manuscript, critically |  | | Book | | task, mastered in 1955, almost simultaneously, in Sweden and USA, equipment containing conical high-pressure...identification by Jorijntje Henderiks, Uppsala Universitet, Sweden) of low Mg-calcite, known as coccoliths. With...Mn deposits of Jakobsberg and Långban, Central Sweden. Ulvöspinel, Fe22+TiO4: Occurrence: In most cases...magnetite-apatite deposits, e.g., at Kiruna, northern Sweden (7 Sect. 21.3.3), in phosphate pegmatite (7 Sect...orange-coloured spessartine from Ramona, San Diego County, California, is also cut as a gemstone (Rossman |
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