 | 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 |  | | Report (issue) | | in (Cs,Al), (Na,Si), or (Cs,Na,Al) with exsolved quartz. Physical Properties: Cleavage: In traces. Fracture:...pegmatites; may be in kiloton amounts. Association: Quartz, spodumene, petalite, amblygonite, lepidolite,...Italy. In the Varuträsk pegmatite, 15 km northwest of Skellefteå, Västerbotten, Sweden. At Bikita, Zimbabwe |  | | 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 |  | 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 |  | Brigatti, Maria Franca, Caprilli, Enrico, Malferrari, Daniele, Medici, Luca, Poppi, Luciano (2005) Crystal structure and chemistry of trilithionite-2M2 and polylithionite-2M2. European Journal of Mineralogy, 17 (3) 475-481 doi:10.1127/0935-1221/2005/0017-0475 | Journal (article/letter/editorial) | | come from Varuträsk (Västerbotten, Sweden) and from Chèdeville (France). The sample from Varuträsk (label:...(label: SBT) is from the Varuträsk pegmatite. It is mostly made from mica species, pink in colour, with maximum...uncommon Sb, Ta, and Nb oxide. The outcrop from Varuträsk, genetically related to the Revsunb granite (Quensel...Micas in both samples are associated to albite, quartz and K-feldspar. Mica from sample Lch 132 is pink-violet...351-359. Quensel, P. (1955): The paragenesis of the Varuträsk pegmatite including a review of its mineral assemblage |  | | Journal (volume) | | , .. . .... . .... . . . . ... . .. . . .. . . Quartz diorite and granodiorite, granite and pegmatite............. . ................. . ............. Quartz .. .. .. .. .. .. . . . . .. .. . . .. .. .. ....years (Holmberg, 1857, p. 37) as containing rose quartz, feldspars, black tourmaline, beryl, lepidolite...rock, the chief mineral components of which are quartz, plagioclase (An 1S _ 3S ) and biotite. Common...Peräseinäjoki-Alavus area 11 Leptite Leptite (quartz-feldspar schist) occurs in the Kalajärvi schist |  | | Journal (article/letter/editorial) | | pegmatite, situated about 10 km. from Skelleftea, in Sweden. Three main stages can be distinguished : (a) An...owner of the ground had noticed an outcrop of pure quartz in an outlying forest clearing and speculatively...thickness and consists of a fine-grained assemblage of quartz and muscovite. Adamson has a good reproduction...pegmatite .consists only of the wall zone where the quartz-muscovite assemblage in a very coarse-grained development...composition, mainly containing only microclineperthite, quartz, and muscovite. In the inner intermediate zone |  | 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) | | secondary phosphate paragenesis occurring at Varuträsk in Sweden. Heinrich (1951) gave a complete description...and beryllium from the Tip Top pegmatite (Custer County, South Dakota) [Ca3Be2(PO4)2(HPO4)2•4H2O] was named...Pyrophyllite, dickite et kaolinite dans les filons de quartz du Massif de Stavelot. Bulletin de l’Académie royale...Bourguignon, P. (1978b) Di/trioctahedral chlorite in quartz veins from the Ardenne, Belgium. Canadian Mineralogist...(1997) Crandallite et wardite dans les filons de quartz du Massif de Stavelot, Belgique. Bulletin de l’Institut |  | | Journal (article/letter/editorial) | | first identified in 1938 in lithium pegmatites of Sweden in association with petalite, spodumene, and lepidolite...zone of geometrical selection of vaguely graphic quartz–oligoclase–orthoclase aggregate with greenish gray...progressive enlargement of feldspar crystals and graphic quartz ingrowths grades into typical graphic pegmatite...zonal and sectorial distribution of quartz ichthyoglipts. There are quartz–muscovite aggregates with albite...garnet clusters between microcline blocks. The quartz ingrowths in the albite are smaller in size but |  | 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) | | and found that it contained a small amount of quartz (<1%). They also suggested that the synthetic albite...albite in glass matrix Amelia, Virginia or Varuträsk, Sweden synthetic and from Tiburon, California (disordered)...experiments unknown Amelia, Virginia and Varuträsk, Sweden synthetic albite synthetic and from Tiburon...(oligoclase; Day and Allen 1905; Deer et al. 1963) Varuträsk, Sweden – pegmatite; Na0.988K0.0045Ca0.0125Li0.0008Fe0...albite samples from Amelia, Virginia, and Varuträsk, Sweden, used in these experiments were not reported |  | | Journal (article/letter/editorial) | | Minerals of the Varuträsk Pegmatite Olof H. Ödman a a Geological Survey of Sweden , Stockholm Published...article: Olof H. Ödman (1941) Minerals of the Varuträsk Pegmatite, Geologiska Föreningen i Stockholm Förhandlingar...anionnts \\.as iiotcd in w i n s or in patclics with quartz, n niicaccous niincral, : i d nlitiinoliy (Fig...veined and corrodcd by it. In tliiii scctioiis quartz, albite, niid niiiscovitc (in sonic parts thc latter...polislicd sections shows, hoivevcr, that a t least quartz and muscovite have bccn added as they occur together |  | | Journal (article/letter/editorial) | | “Quensel puts alluaudite in his supergene stage at Varuträsk; nevertheless, in some of its occurrences, it...masses of montebrasite in close proximity to the quartz core (Thoreau & Bastien 1954b). Varlamoff (1961)...the phosphate associations from the Varuträsk pegmatite, Sweden. In addition, the absorption features...55, 103-116. 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. |  | Vignola, P., Diella, V., Ferrari, E. S., Fransolet, A.-M. (2011) COMPLEX MECHANISMS OF ALTERATION IN A GRAFTONITE + SARCOPSIDE + TRIPHYLITE ASSOCIATION FROM THE LUNA PEGMATITE, PIONA, LECCO PROVINCE, ITALY. The Canadian Mineralogist, 49 (3) 765-776 doi:10.3749/canmin.49.3.765 | Journal (article/letter/editorial) | | 1996). The pegmatitic bodies contain oligoclase and quartz, with muscovite, schorl and almandine-rich garnet...process have been reported, for example, at Varuträsk, Sweden (Quensel 1937, Mason 1941), Sidi Bou Othmane...Xinjang Province, China (Li & Shinno 1997) and Berg, Sweden (Smeds et al. 1998). Whereas alteration of triphylite...21, 14-15. 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, 117-175. Moore |  | | Journal (article/letter/editorial) | | interests in Scandinavia, in particular in Sweden (e.g., Utö, Varuträsk) in the mid-1990s, then in Slovakia...E. Swanson; the replacement of quartz by “kerolite” in graphic quartz–feldspar intergrowths from the...pluton of the Wausau syenite complex, Marathon County, Wisconsin by Al U. Falster and colleagues; compositional |  | 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) | | plagioclase + quartz graphic unit, 3) a coarse-grained plagioclase unit, and 4) a quartz core containing...principales: 1) une aplite, 2) une unité à plagioclase + quartz graphique, 3) une unité riche en plagioclase à...à grains grossiers, et 4) un noyau de quartz contenant plusieurs masses de phosphate atteignant 10 cm...four main units: 1) aplite unit, 2) plagioclase + quartz graphic unit containing schorl, 3) coarse-grained...plagioclase unit (albite) with minor K-feldspar, and 4) quartz core with muscovite, garnet and accessories (Fig |  | | Journal (article/letter/editorial) | | included the Myokenzan pegmatite, Tanco pegmatite, Varuträsk pegmatite, Havey pegmatite, and Minas Gerais....Li-bearing tourmaline, and petalite included in quartz and albite (Fig. 1a; Supplemental1 Table 1). Small...Uehara 2014). They were associated with lacroixite, quartz, and topaz. Moreover, tantalite-(Mn), microlite...included the Myokenzan pegmatite, Tanco pegmatite, Varuträsk pegmatite, Havey pegmatite, and Minas Gerais (Supplemental1...from the Myokenzan pegmatite, Tanco pegmatite, Varuträsk pegmatite, and Havey pegmatite correspond to the |  | Vignola, Pietro, Gatta, G. Diego, Hatert, Frédéric, Guastoni, Alessandro, Bersani, Danilo (2014) On the crystal-chemistry of a near-endmember triplite, Mn2+2(PO4/sub>)F, from the Codera valley (Sondrio Province, Central Alps, Italy) The Canadian Mineralogist, 52 (2) 235-245 doi:10.3749/canmin.52.2.235 | Journal (article/letter/editorial) | | Ranch and Mt Loma, Arizona (Hurlbut 1936); Varuträsk, Sweden (Mason 1941); Mica Lode and School Section...(1969) using a sample from Mica Lode, Freemont County, Colorado. The chemical composition of a sample...pluton (Schmid et al. 1996), consists of K-feldspar, quartz and plagioclase with muscovite, garnet, biotite...hosted by feldspar, are rimmed by poly-granular quartz and albite lamellae. Analytical Methods Quantitative...new and remarkable mineral locality in Fairfield County, Connecticut. American Journal of Science 16, 33–46 |  | 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) | | concentrically zoned with increased grain size toward a quartz core; the most evolved pegmatites have well-developed...industrial minerals (mainly feldspars, kaolinite, quartz, micas, and spodumene for ceramics) or gemstones...constituted by blocky K-feldspar intergrown with quartz. Tourmaline and garnet are abundant accessory minerals... Minerals 2019, 9, 580 5 of 37 contact with the quartz core, which can be of the rose variety. These pegmatites... (d) general view of a type III pegmatite, (e) Quartz-muscovite muscovite of the type-III pegmatite, |  | | Journal (article/letter/editorial) | | http://www.tandfonline.com/loi/sgff19 Minerals of the Varuträsk Pegmatite Thelma Berggren Published online: 06...article: Thelma Berggren (1941) Minerals of the Varuträsk Pegmatite, Geologiska Föreningen i Stockholm Förhandlingar...the fact that tlie slightest coiitnniination of quartz in the analysed saniples gives rise to n too high...Xaine. A new analysis of Iepidolite from Uto in Sweden lias been made and shows that this lepidolite must...muscorite Sulphur-yellow xnuscoritc (contaminated with quartz). l)liiscovitc series. This series has many representatives |  | | Journal (article/letter/editorial) | | structure with tourmaline present in all units but the quartz core. Tourmaline major-element composition varies...pegmatites, some of which are of interest as a source of quartz and feldspar to the ceramics industry. Many studies...calc-silicate rocks at the top) and the Seridó Formation (quartz–biotite schists with minor garnet, cordierite,...internal zoning. The wall zone consists of albite, quartz, microcline and muscovite, with black tourmaline...tourmaline in planar contact with K-feldspar, albite, quartz Type D: euhedral prismatic crystals in pocket with |  | 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) | | plagioclase (Ab99–82An1–18), microcline perthite, quartz, and biotite, with minor Fe3+-bearing schorl-dravite...(1) a marginal graphic zone composed of albite + quartz ± minor-to-accessory biotite commonly altered to...intermediate graphic zone of microcline perthite + quartz + small quartztourmaline nests, with smaller amounts...aggregates; (3) a central zone of graphic microcline + quartz, in places developed as blocky feldspar with interstitial...usually less than 1 mm in size, disseminated in quartz, microcline, albite, and muscovite. Lepageite is |  | 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) | | Casas-Barquilla pegmatites and montebrasite-bearing quartz dikes (Martín-Izard et al. 1992), and the Golpejas...the phosphate phases. The pegmatite consists of quartz, plagioclase, K-feldspar, muscovite, and Fe-Mn-(Li-Mg)...columbite-tantalite = col; uraninite = ura; corundum = cor; quartz = qz. * grain size: very fine = < 1 mm; fine =...cass; columbite-tantalite = col; uraninite = ura; quartz = qz; Fe-Mn carbonates = Fe-Mn carb; pyr = pyrite...relatively rich in Mg (Table 4, Fig. 2a). Silicates. Quartz, K-feldspar, plagioclase, muscovite, biotite, tourmaline |  | 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) | | mainly consists of saccharoidal albite (± quartz), or quartz and K-feldpsar which sometimes show graphic...albite or in quartz + K-feldspar matrix. These are frequently surrounded by a limpid rim of quartz (0.5 to...garnet (Fig. 2b) and forming complex intergrowths. Quartz and apatite may be associated as accessory minerals... oxide, and sulfide minerals Albite Microcline Quartz Schorl Muscovite Spessartine Chamosite Zircon Mn-...and vivianite in cleavage planes of triphylite. Quartz (Qtz) is generally enclosed in garnet grains. Association |  | | Journal (article/letter/editorial) | | hydrothermal evolution of the Varuträsk rare-element pegmatite (northern Sweden)—Karin Siegel, Thomas Wagner...potential— V.I. Alekseev and Yu.B. Marin 635 Zircon-quartz-calcite segregations in carbonate-alkaline metasomatic...Kristineberg area, Skellefte district, northern Sweden— Riia M. Chmielowski, Nils Jansson, and Mac Fjellerad...reference to Ninomiya’s indices for delineating quartz and mafic minerals of granitoids—an analysis in |
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