 | 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 |  | | Report (issue) | | may be in kiloton amounts. Association: Quartz, spodumene, petalite, amblygonite, lepidolite, elbaite, cassiterite...Italy. In the Varuträsk pegmatite, 15 km northwest of Skellefteå, Västerbotten, Sweden. At Bikita, Zimbabwe |  | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | pegmatite, situated about 10 km. from Skelleftea, in Sweden. Three main stages can be distinguished : (a) An...occurrences of other lithium minerals such as spodumene, petalite, and amblygonite. As work continued...Varutrask Pegmatite 53 appearance of the minerals spodumene and amblygonite. The muscovite in this zone may...as representative of this unit are petalite, spodumene, lepidolite, red and green tourmalines, amblygonite...amblygonite, and quartz. Of these minerals spodumene and amblygonite have been indicated as being present |  | | Journal (volume) | | cassiterite, zircon, xenotime, cheralite, brockite, spodumene, columbite and microlite; the four last mentioned... . . . . . . . . . . . . . . . . . . . . . . Spodumene. . . . . . . . . . . . . . . . . . . . . . . ...Tammela area and at Eräjärvi. Pegmatites rich in spodumene have been discovered in Kaustinen and Alaveteli...8. Outcrop; 9. Bore hole. vite, lepidolite, spodumene, beryl, gamet (almandine and spessartine), zircon...~ .....:... ~ ..!. .....!. ..!. .....L Spodumene Cassiterite .....i... CoLumbite - Xenot ime |  | | Journal (article/letter/editorial) | | 1938 in lithium pegmatites of Sweden in association with petalite, spodumene, and lepidolite and later was...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)...d. n.d. ″ the same n.d. H2O Lepidolite, spodumene, amblygonite, elbaite, tantalite (Mn), microlite...beryl, spodumene, petalite, microlite, stibiotanta lite Lepidolite, beryl, strüverite, spodumene, petalite |  | | Journal (article/letter/editorial) | | interests in Scandinavia, in particular in Sweden (e.g., Utö, Varuträsk) in the mid-1990s, then in Slovakia...colleagues; the mineralogy of spodumene pegmatites and related rocks in the tin–spodumene belt of North Carolina...nodules related to hydrothermal alteration of spodumene in the Nanping no. 31 pegmatite dyke, Fujian Province...pluton of the Wausau syenite complex, Marathon County, Wisconsin by Al U. Falster and colleagues; compositional |  | | Journal (article/letter/editorial) | | and that from lower-temperature pegmatite with spodumene either did not possess or involved low lacroixite...included the Myokenzan pegmatite, Tanco pegmatite, Varuträsk pegmatite, Havey pegmatite, and Minas Gerais....materials corresponded to fluorphlogopite (for FKα), spodumene (for AlKα), KTiOPO4 (for PKα), albite (for NaKα)...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 |  | | Journal (article/letter/editorial) | | Harding, New Mexico (Lumpkin 1998a, b), or Varuträsk, Sweden (Čern ý et al. 2004). Studies of CGM in larger...principally to the beryl, complex, albite and albite–spodumene types. Following the exhumation of the Famatinian...chemical composition. Pegmatites of complex type, spodumene subtype, are abundant along the Pampean rare-element...Ancasti where tantalum minerals are very scarce in spodumene pegmatites (these pegmatites 648 the canadian...five internal units. Meter-sized crystals of spodumene populate the intermediate or core zones; the CGM |  | | Journal (article/letter/editorial) | | Li enrichment in the inner zones (lepidolite, spodumene), but the Li concentrations in tourmaline have...within them follow. 4.1. The Boqueirão pegmatite: spodumene subtype The lens-shaped pegmatite is subvertical...Mineralized rare-element pegmatites Zone Boqueirão (spodumene subtype) Wall zone Inner intermediate Tourmaline...mica and rose beryl Capoeira 2 (transitional spodumene to lepidolite subtype) Wall Zone Type B: Comb-textured...albite and lepidolite Carrascão (transitional spodumene to lepidolite subtype) Border (lower) Type B: |  | | Journal (article/letter/editorial) | | pegmatites of the beryl-columbite-phosphates and spodumene subtypes (Černý and Ercit 2005), phosphates occur... 1105–1115. Mason, B. (1941) Minerals of the Varuträsk pegmatite. XXIII. Some ironmanganese phosphate...products, with special reference to material from Varuträsk. Geologiska Föreningens i Stockholm Förhandlingar...1188–1194. Quensel, P. (1937) Minerals of the Varuträsk Pegmatite. I. The lithium-manganese phosphates |  | | Journal (article/letter/editorial) | | “Quensel puts alluaudite in his supergene stage at Varuträsk; nevertheless, in some of its occurrences, it...amblygonite-rich core with giant crystals of spodumene and other phosphate minerals), belonging to type...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. |  | 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) | | beryl-columbite, beryl-columbite-phosphate and spodumene types. Pegmatites are concentrically zoned with...micas, and spodumene for ceramics) or gemstones such as topaz, tourmaline, aquamarine, spodumene, among others...blocky unit is a Li-rich paragenesis, comprising spodumene, petalite, lepidolite, pink or green elbaite and...[33] and Mason [34] in the pegmatites of Varuträsk (Sweden), and later located in most of the pegmatite...evolved in the field. Although important amounts of spodumene associated with amblygonite-montebrasite appear |  | 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) | | Nanping No. 31 granitic pegmatite, a highly evolved spodumene-type pegmatite in the Nanping pegmatite district...pegmatite (type III), and muscovite – albite – spodumene pegmatite (type IV). Spatially, the type-I pegmatites...rare-metal mineralization appears as lepidolite, spodumene, columbite–tantalite, tapiolite, wodginite-group...1a), and is a highly evolved and mineralized spodumene-subtype pegmatite (Černý & Ercit 2005). According...coarse albite – spodumene zone) consists of platy crystals of albite and quartz with spodumene locally observed |  | | Journal (volume) | | minerals possibly related to late primary phases: spodumene, petalite, quartz, albite, microcline and lepidolite...contain fine veins of microcrystalline mica, spodumene and cookeite. Adularia, locally with high Rb content...and Vesasalo (1960); abundant petalite, minor spodumene and a scarcity of Lior (Fe, Mn)-bearing phosphates...relatively abundant, but neither petalite nor spodumene were found to date. This is one of the classic...Finland was characterized by Haapala (1966). 7 Spodumene is the dominant mineral of Li, lepidolite is subordinate |  | | Journal (article/letter/editorial) | | characterized by the presence of bladed albite and spodumene (Zhu et al. 2000). Lithiophilite and sicklerite...specimen of 7 3 6 3 4 cm in size, containing quartz, spodumene, lithiophilite and sicklerite. A section in the...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. |  | | Journal (article/letter/editorial) | | schorl ± beryl; light grey zone: inner zone (IZ): spodumene + quartz + yellow mica ± beryl; white zone: quartz...intermediate zone (IZ), many large crystals of spodumene reaching 2 meters in length are surrounded by...of tourmaline do appear perpendicular to the spodumene crystals. Finally, there is the quartz core (Q)...which locally contains a few smaller crystals of spodumene. The IWZ, IZ, and Q zones may be partially albitized...as bluish elongate prisms perpendicular to a spodumene crystal. The electron-microprobe analyses of this |  | 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) | | OXIDE-MINERAL PARAGENESIS FROM LA VIQUITA, A SPODUMENE-BEARING RARE-ELEMENT GRANITIC PEGMATITE, SAN LUIS...Ta–Nb–Sn–Ti oxide minerals in the La Viquita spodumene-bearing granitic pegmatite, San Luis, Sierras...+ Ab with inwardly increasing proportions of spodumene, homogeneous or oscillatory-zoned columbite-(Fe)...unit contains K-feldspar (50%), quartz (30%), spodumene (~20%) and minor albite, whereas the inner unit...is formed by quartz (50%), K-feldspar (30%), spodumene (~20%) and albite. These three units have in common |  | | Journal (article/letter/editorial) | | http://www.tandfonline.com/loi/sgff19 Minerals of the Varuträsk Pegmatite Thelma Berggren To cite this article:...article: Thelma Berggren (1941) Minerals of the Varuträsk Pegmatite, Geologiska Föreningen i Stockholm Förhandlingar...Here essentially petalite is mined but also some spodumene and pollucite: The latter is often penetrated |  | | Journal (article/letter/editorial) | | Aluminosilicate fields from Robie & Hemingway (1984), spodumene– petalite boundary from London (1984), granite...assemblages, participate in defining the subtypes. The spodumene subtype is the most common category of complex...solidification as Tanco, but crystallizes primary spodumene at a later, lower-temperature stage than the early...of Li-rich magma into the stability field of spodumene (London 2005). Other than the difference in the...The albite–spodumene type of complex pegmatites is compositionally related to the spodumene subtype quoted |  | 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) | | occurrences of Li-bearing pegmatites, especially spodumene- and petalite-bearing bodies. Recent work on this...LCT (Li–Cs–Ta) pegmatites from Barroso–Alvão: spodumene pegmatites, petalite pegmatites, and lepidolite...cassiterite. Cassiterite is not present in the spodumene pegmatites. The columbite-group minerals have...trend starts in the Mn-poor columbite-(Fe) field (spodumene pegmatites) toward Mn- and Ta-enrichment (lepidolite...the Ti of the columbite-group minerals from the spodumene to the lepidolite pegmatites, which we consider |  | 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 |  | 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) | | reaching 3 cm in length, translucent yellowish spodumene, columbite-group minerals, and löllingite were...Sidenjsö dike, in the Stora Persholmen pegmatite in Sweden (Smeds et al. 1998), and in the Yellowknife pegmatite... microcline, spodumene, muscovite, schorl, and garnet. Generally, schorl and spodumene do not occur directly...and in the Sidensjö and Stora Persholmen dikes in Sweden (Wise & Černý 1990, Smeds et al. 1998). These intergrowths...1105–1115. M ason , B. (1941) Minerals of the Varuträsk pegmatite. XXIII. Some iron-manganese phosphate |  | | Journal (volume) | | beryl, eolumbitetantalite, lepidolite, elbaite, spodumene, amblygonite- montebrasite, manganiferous apatite...... ... Tourmaline (pink & light green) .... Spodumene .. . . .. . . .. . ... Muscovite . ..... . . ...various lithium silicates, lepidolite, elbaite and spodumene. In the final stages of pegmatite crystallization...silicates in pegmatites are lepidolite, elbaite and spodumene. In the pegmatites of the study area, however...Post, Kenya (Richardson 1975). Rose muscovite, Varuträsk, Swede n (Berggren 1941). Rose muscovite, Goshen |
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Varuträsk, Skellefteå, Västerbotten County, Sweden