 | | Report (chapter) | | magmatism and mineralization in the Bothnia–Skellefteå lithotectonic unit, Svecokarelian orogen PIETARI...Luleå, Sweden 3 Department of Earth Sciences, Uppsala University, SE-752 36 Uppsala, Sweden 4 Department...Finland 5 Geological Survey of Sweden, Box 670, SE-751 28 Uppsala, Sweden ‡ Pro Vice-Chancellor, Luleå...*Correspondence: pietari.skytta@utu.fi Abstract: The Bothnia–Skellefteå lithotectonic unit is dominated by turbiditic...‘nickel line’ SE of the ‘gold line’. The Bothnia–Skellefteå lithotectonic unit forms the largest segment |  | 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 (volume) | | tourmalines, beryl (in five generations), cassiterite, zircon, xenotime, cheralite, brockite, spodumene, columbite... . . . . . . . . . . . . . . . . . . . . . . . Zircon .. .. .. .. .. . . .. . . .. . . . . .. .. .. ...sericite, opaque minerals, apatite, garnet and zircon. Sporadically, graphite, calcite, hornblende, cummingtonite...sericite, microdine, garnet, opaque minerals and zircon. The leptite of Kalajärvi is generaIly reddish...oxide ore mineral, biotite, quartz, apatite and zircon. At the southern margin of the body, the even-grained |  | | Journal (article/letter/editorial) | | first identified in 1938 in lithium pegmatites of Sweden in association with petalite, spodumene, and lepidolite...elbaite (rubel lite), fluornatromicrolite, Hfzircon (zirtolite), mona zite(Ce), stibiotantalite,...7.18 4.91 2.12 0.33 11.30 15.61 ^ Varuträsk, Sweden (Groat et al., 1987; Cern y′ et al., 2004)...21; total 98.80. The dark brown transparent Hfzircon (zirto lite) in assotiation with Limicas contains...Peretyazhko, 1992) 0.20 0.15 0.24 Na Varuträsk, Sweden (Groat et al., 1987; C ern y′ et al., 2004) |  | Billström, Kjell, Mattson, Benny, Söderlund, Ulf, Årebäck, Hans, Broman, Curt (2012) Geology and Age Constraints on the Origin of the Intrusion-Related, Sheeted Vein-Type Åkerberg Gold Deposit, Skellefte District, Sweden. Minerals, 2 (4) 385-416 doi:10.3390/min2040385 | Journal (article/letter/editorial) | | Vein-Type Åkerberg Gold Deposit, Skellefte District, Sweden Kjell Billström 1,*, Benny Mattson 2, Ulf Söderlund...Box 50007, Stockholm 10405, Sweden Boliden Mineral AB, Boliden 93681, Sweden; E-Mails: benny.mattson@boliden...Lund University, Sölvegatan 12, Lund SE-22362, Sweden; E-Mail: ulf.soderlund@geol.lu.se Department of...Sciences, Stockholm University, Stockholm 10691, Sweden; E-Mail: curt.broman@geo.su.se * Author to whom...(~1.9 Ga) Skellefte mining district in northern Sweden hosts abundant base metal deposits, but there are |  | | Journal (article/letter/editorial) | | cordierite, phosphates of the rare-earth elements, zircon and niobian rutile were the most common targets...interests in Scandinavia, in particular in Sweden (e.g., Utö, Varuträsk) in the mid-1990s, then in Slovakia...pluton of the Wausau syenite complex, Marathon County, Wisconsin by Al U. Falster and colleagues; compositional...(left), an acicular prism of zircon (center), and a syntactic alternation of zircon and xenotime (right), all...reference: Oriented intergrowths of xenotime and zircon from Drahonín. Spisy přírodovědecké fakulty Masarykovy |  | Vignola, P., Diella, V., Oppizzi, P., Tiepolo, M., Weiss, S. (2008) PHOSPHATE ASSEMBLAGES FROM THE BRISSAGO GRANITIC PEGMATITE, WESTERN SOUTHERN ALPS, SWITZERLAND. The Canadian Mineralogist, 46 (3) 635-650 doi:10.3749/canmin.46.3.635 | Journal (article/letter/editorial) | | geochemically primitive system. Our U/Pb dating of zircon (242 ± 2.8 Ma) allows us to relate the formation...relativement primitive. Notre datation U/Pb du zircon (242 ± 2.8 Ma) nous permet d’attribuer la formation...Finero Complex at 207 Ma with the emplacement of zircon-bearing pegmatites within the Finero ultrabasic...pegmatite containing muscovite, garnet, schorl, zircon, beryl and Fe–Cu sulfides, but lacking phosphates...“ZPU” according to its significant contents of zircon, phosphates and uraninite. The samples studied |  | | Report (issue) | | monazite-(Ce), epidotegroup minerals, xenotime-(Y), zircon, beryl, spinel, garnet-group minerals. Distribution:...Minas Gerais, Brazil [TL]; in the Varuträsk pegmatite, northeastern Sweden; in pegmatites of the Vigezzo |  | 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) | | Nb-Ta oxide minerals and the Hf/(Hf + Zr) ratio in zircon also increase with the evolution of the pegmatites...crystals of muscovite. Other accessory minerals are zircon, fluorapatite, monazite, xenotime and uraninite...devoid of minerals with rare elements, except for zircon. Minerals 2019, 9, 580 6 of 38 Figure Figure...crystals muscovite. Other accessory minerals are zircon, fluorapatite, monazite, xenotime and uraninite...devoid of minerals with rare elements, except for zircon. Minerals 2019, 9, 580 6 of 37 metasomatism |  | | Journal (article/letter/editorial) | | hydrothermal evolution of the Varuträsk rare-element pegmatite (northern Sweden)—Karin Siegel, Thomas Wagner...U-Pb, Lu-Hf and trace element characteristics of zircon from the Felbertal scheelite deposit (Austria):...the Far East—V.I. Alekseev and Yu.B. Marin 537 Zircon from charnockite gneiss, charnockite, and leucosome...Fokina, and V.G. Krivovichev 570 Trace elements in zircon from rocks of the Katugin rare-metal deposit— E...ore potential— V.I. Alekseev and Yu.B. Marin 635 Zircon-quartz-calcite segregations in carbonate-alkaline |  | | Journal (article/letter/editorial) | | types. accessory mineral, followed by garnet, zircon and Ti-magnetite. The outer intermediate zone is...tourmaline, garnet and muscovite and accessory monazite, zircon, Nb–Ta–Ti-oxides and xenotime. The wall zone is...tourmaline, muscovite and accessory columbite, zircon, apatite and xenotime. Rarely, masses of milky...units and pockets), as argued for the Varuträsk pegmatite in Sweden by Siegel et al. (in press). To summarize...pegmatite by Pezzotta et al. (2010), and in the Varuträsk pegmatite by Siegel et al. (in press). The authors |  | | Journal (article/letter/editorial) | | aggregates of Mn-oxides. Chrysoberyl, fersmite, zircon, cheralite, xenotime-(Y), uraninite, native antimony...Sc Ti rutile Mn rhodonite Fe hematite As GaAs Zr zircon Nb pure Nb Sn cassiterite Sb InSb Ba barite Ta...Fersmite, coexisting with a crystal of altered zircon, is enriched in Zr (up to 0.6 wt% ZrO2), but other...On cooling, cheralite, xenotime-(Y), Hf-bearing zircon, chrysoberyl, and primary Nb and Ta minerals crystallized... Sn, and Sb oxide minerals from the Varuträsk pegmatite, Sweden. In the Szklary pegmatite, the crystallization |  | | Journal (article/letter/editorial) | | Mountains with those of sicklerite from Pala, San Diego County, California (Schaller 1912), Wodgina, Western Australia...1105-1115. Mason, B. (1941): Minerals of the Varuträsk pegmatite. XXIII. Some iron–manganese phosphate...products, with special reference to material from Varuträsk. Geol. Fören. Stockholm Förh. 63(2), 117-175....England. Quensel, P. (1937): Minerals of the Varuträsk pegmatite. I. The lithium–manganese phosphates...(2004): Chemical evolution of Nb–Ta oxides and zircon from the Koktokay No. 3 granitic pegmatite, Altai |  | 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) | | rutile, fergusonite, bertrandite, herderite, beryl, zircon and pollucite. The type-IV pegmatites are of great...minerals include cassiterite, columbite–tantalite, zircon and beryl. Zone II (saccharoidal albite ± muscovite...wodginite-group minerals, tapiolite, microlite, zircon and cassiterite. Zone IV (quartz – spodumene –...tapiolite. Černý et al. (2004) found that in the Varuträsk granitic pegmatite, the inclusions of wodginite...minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an “anomalous” columbite–tantalite |  | Antunes, Isabel Margarida Horta Ribeiro, Neiva, Ana Margarida Ribeiro, Ramos, João Manuel Farinha, Silva, Paulo Bravo, Silva, Maria Manuela Vinha Guerreiro, Corfu, Fernando (2013) Petrogenetic links between lepidolite-subtype aplite-pegmatite, aplite veins and associated granites at Segura (central Portugal) Geochemistry, 73 (3) 323-341 doi:10.1016/j.chemer.2012.12.003 | Journal (article/letter/editorial) | | microperthitic microcline, albite, muscovite, apatite, zircon, monazite, rutile and ilmenite. The two-mica granite...yellow). It contains inclusions of apatite and zircon. Chlorite replacing biotite is pleochroic with...granitic rocks and contains inclusions of quartz, zircon and apatite. Primary muscovite from aplite veins...muscovite (Fig. 2b). Muscovite contains inclusions of zircon, apatite and quartz. Subhedral tourmaline occurs...brown) > (light yellow), contains inclusions of zircon and replaces mica. Fluorapatite and hydroxylapatite |  | Roda-Robles, E., Pesquera, A., Gil-Crespo, P. P., Torres-Ruiz, J. (2012) THE PUENTEMOCHA BERYL-PHOSPHATE GRANITIC PEGMATITE, SALAMANCA, SPAIN: INTERNAL STRUCTURE, PETROGRAPHY AND MINERALOGY. The Canadian Mineralogist, 50 (6) 1573-1587 doi:10.3749/canmin.50.6.1573 | Journal (article/letter/editorial) | | biotite, muscovite, fluorapatite, ilmenite, rutile, zircon, sillimanite, chlorite Equigranular coarse-grained...biotite, muscovite, fluorapatite, ilmenite, rutile, zircon, sillimanite, chlorite Gradual irregular contact... biotite shows numerous inclusions of metamict zircon, whereas in the rest of the pegmatitic facies,...15, 106-121. Mason, B. (1941): Minerals of the Varuträsk pegmatite. XXIII. Some iron–manganese phosphate...products, with special reference to material from Varuträsk. Geol. Fören. Stockholm Förh. 63, 25-34. the |  | Pieczka, Adam, Cooper, Mark A., Hawthorne, Frank C. (2019) Lepageite, Mn32+(Fe73+Fe42+)O3[Sb53+As83+O34], a new arsenite-antimonite mineral from the Szklary pegmatite, Lower Silesia, Poland. American Mineralogist, 104 (7) 1043-1050 doi:10.2138/am-2019-6903 | Journal (article/letter/editorial) | | behavior are the well-known pegmatites at Varuträsk (Sweden) with löllingite, arsenopyrite, stibnite,...minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: The case of an “anomalous” columbite-tantalite...R., and Kryza, R. (2000) New U–Pb monazite and zircon data from the Sudetes Mountains in SW Poland: evidence |  | 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) | | of ferrotitanowodginite, inclusions of hafnian zircon, and late-stage cassiterite. From the wall zone...avec la ferrotitanowodginite, des inclusions de zircon hafnifère, et de la cassitérite tardive. A partir...contains small irregular inclusions of hafnian zircon (Fig. 5G). The chemical composition of individual...from (C) with irregular intergrowths of hafnian zircon (darker grey). (H) Crystal of cassiterite (grey)...(+Hf) precipitate as small inclusions of hafnian zircon (Fig. 5G). Micrograins of ferrotapiolite in wodginite |  | | Journal (article/letter/editorial) | | Peralkaline igneous ± HFSE minerals such as eudialyte, zircon, pyrochlore group minerals Ta and Nb (economic...have evidence of metasomatism include Varuträsk, Northern Sweden (Siegel et al. 2016), Cínovec/ Zinnwald...late-stage sodium enrichment, Brazil Lake, Yarmouth County, Nova Scotia. I. Geological setting and petrology...of columbite-(Mn), tantalite-(Mn), hafnon, and zircon at 800–850 °C and 200 MPa. Canadian Mineralogist...hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden). Chemical Geology, 421, 1–16 |  | | Journal (volume) | | 1830 ± 14 Ma (Muurla, zircon, Suorninen 1991) and 1840 ± 8 Ma (Ke- miö, zircon, Suominen 1991). These...Geological Survey of Finland, the age of the metamict zircon from the Viitaniemi pegmatite is 1794 ± 15 Ma (O...rocks. A preliminary UPb age determination of three zircon fractions of the large, several kilometres long...the syntectonic Svecokarelian tonalite. The V-Pb zircon , Geological Survey of Finland , Bulletin 368...minerals such as löllingite, microlite, bertrandite, zircon and cookeite. Spodumene is typically lilac-coloured |  | Roda, Encarnación, Pesquera, Alfonso, Fontan, François, Keller, Paul (2004) Phosphate mineral associations in the Cañada pegmatite (Salamanca, Spain) : Paragenetic relationships, chemical compositions, and implications for pegmatite evolution. American Mineralogist, 89 (1) 110-125 doi:10.2138/am-2004-0114 | Journal (article/letter/editorial) | | Uraninite, Fe-Mn carbonates, corundum, ilmenite, and zircon occur as accessories. In the contact zone of the...45, 159–173. Mason, B. (1941) Minerals of the Varuträsk pegmatite. XXIII. Some iron-manganese phosphate...products, with special reference to material from Varuträsk. Geolpgoske Föreniugen i Stockholm Förhandlgar... 397–406. Quensel, P. (1937) Minerals of the Varuträsk pegmatite. I: The lithium-manganese phosphates...L., and Penner, P. (1998) Graftonite-beusite in Sweden: primary phases, products of exsolution, and distribution |  | | Journal (article/letter/editorial) | | length and are commonly grouped in books. Locally, zircon occurs in colorless or bluish euhedral crystals...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...(2004): Chemical evolution of Nb–Ta oxides and zircon from the Kojtokay Nº 3 granitic pegmatite, Altai |  | | Journal (article/letter/editorial) | | patches and “dirty” zones flakes, with metamictic zircon crystals slight pleochroism from orange to light...apatite, montebrasite, cassiterite, beryl, and zircon are present as accessory minerals. The grain size...de Salamanca. Mason, B. (1941) Minerals of the Varuträsk pegmatite. XXIII. Some iron-manganese phosphate...products, with special reference to material from Varuträsk. Geolpgoske Föreniugen i Stockholm Förhandlgar...35, 31–50. Quensel, P. (1937) Minerals of the Varuträsk pegmatite. I: The lithium-manganese phosphates |  | | Journal (volume) | | research into the application of radiation damage in zircon to problems of age measurements. The major portion...weIl-known rock units supposed to be rich enough in zircon and covering some of the most important intrusive...kindly selected by Dr. Ahti Simonen. The accessory zircon from this rock was used for the Pb207_Pb206 and...Olivine and pyroxene relics have been found. Besides zircon and apatite, pyrite was the most abundant accessory...granodiorite area was chosen by Dr. K. J. Neuvonen. Zircon from this sampIe was used for the Pb207_Pb206 age |
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Varuträsk, Skellefteå, Västerbotten County, Sweden