 | | Report (issue) | | 10.455(2) Z=8 X-ray Powder Pattern: Varuträsk pegmatite, Sweden. 3.01 (10), 3.14 (9), 6.03 (8), 1.575...54 52.65 19.24 6.78 2.58 [98.79] (1) Varuträsk pegmatite, Sweden; by electron microprobe, total Sb as...unit of a complex granite pegmatite (Varuträsk pegmatite, Sweden). Association: Stibiotantalite, antimony...beryl, cassiterite, columbite-tantalite, microlite (Varuträsk pegmatite, Sweden); cassiterite (Odd West...Distribution: In the Varuträsk pegmatite, 15 km northwest of Skellefteå, Västerbotten, Sweden. Reported at the |  | | Report (issue) | | petalite, amblygonite, lepidolite, elbaite, cassiterite, columbite, apatite, eucryptite, muscovite, potassic...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...compositional trends of columbite-group minerals and cassiterite mimic those typically displayed in pegmatites...> Fe, Ta > Nb)-enriched cassiterite. To date, rare occurrences of cassiterite with Mn > Fe are restricted |  | 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 |  | | Journal (volume) | | colored tourmalines, beryl (in five generations), cassiterite, zircon, xenotime, cheralite, brockite, spodumene... . . . . . . . . .. . . . . . . . . . . . . Cassiterite ... . . . . . . . . . . . . . . . . . . . . ...(beryl, columbite, tourmaline, Li-minerals, cassiterite, etc.), and by mineralogically simple pegmatites...pegmatites. Substantial amounts of Li-minerals and cassiterite are known to be present in only three pegmatites... Especially albite, muscovite, Li-minerals, cassiterite, colored tourmalines and other rare minerals |  | | Journal (article/letter/editorial) | | pegmatite, situated about 10 km. from Skelleftea, in Sweden. Three main stages can be distinguished : (a) An...Mn-voelckerite). To this unit belong, further, cassiterite, uraninite (rare), triphylite, lithiophylite..., 1948. Pegmatites of Eight Mile Park, Fremont County, Colorado. Amer. Min., xxxiii, 420-448. WAHL, W...lithiophylite, varulite, triplite, allemontite, cassiterite, uraninite, columbite, tantalite, stibiomicrolite...elements 1. Allemontite II. Oxides 2. Quartz 3. Cassiterite 4. Uraninite 5. Stibiomicrolite 6. Columbite |  | | Journal (article/letter/editorial) | | first identified in 1938 in lithium pegmatites of Sweden in association with petalite, spodumene, and lepidolite...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)... beryl, strüverite, columbite, tan talite, cassiterite, wodginite, microlite Lepidolite, beryl, spodumene...Sn, and Sb in the Varutrásk Granitic Pegmatite, Sweden: The Case of an “Anomalous” Columbite–Tantalite |  | | Report (issue) | | pegmatite. Association: Columbite subgroup minerals, cassiterite, hematite, ilmenite, monazite-(Ce), epidotegroup...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) | | phosphates, cassiterite and a significant tourmaline, Li-rich phosphates, beryl,beryl, cassiterite and a significant...lepidolite, pink or green elbaite and amblygonite. Cassiterite and tantalite also are abundant. Minerals 2019...Ta2 O6 (Ta, Lα), W (W, Kα), rutile (Ti, Kα), cassiterite (Sn, Kα), YAG (Y, Lα), U (U, Mα), ThO2 (Th, Mα)...[7]. The structural formula of tapiolite and cassiterite were calculated on the basis of 6 and 4 atoms...primary lithium phosphates (Figure 9c), elbaite, cassiterite and Ta- and Mn-rich members of the CGM. The most |  | 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) | | is identified as a product of exsolution in cassiterite from the zones II–III, whereas complex associations...columbite–tantalite and tapiolite-(Fe) are characteristic of cassiterite in zone IV. The classic variation of the columbite-group...31 pegmatite. Keywords: Nb–Ta oxide minerals, cassiterite, columbite–tantalite, tapiolite-(Fe), wodginite...minerals, tapiolite, wodginite-group minerals, cassiterite and microlite from five internal zones of the...columbite–tantalite, tapiolite, wodginite-group minerals, cassiterite, amblygonite, microlite, niobian rutile, fergusonite |  | 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) | | includes minor montebrasite, ferrocolumbite, and cassiterite, typical of an evolved pegmatite facies. As a...with minor tourmaline, garnet, ferrocolumbite, cassiterite, and pyrite. Uraninite, Fe-Mn carbonates, corundum...with some of the phosphates: ferrocolumbite, cassiterite, and uraninite are exclusively associated with...biotite = bio; tourmaline = tour; garnet = grn; cassiterite = cass; columbite-tantalite = col; uraninite...euhedral habit fine 0.86 trph±srcp Oxides Cassiterite subhedral habit fine to medium – trph±srcp |  | | Journal (article/letter/editorial) | | microlite, columbite–tantalite group, tapiolite, cassiterite, granitic pegmatites, lepidolite subtype, La...the forties to the eighties, mainly to obtain cassiterite and wolframitegroup minerals from a swarm of...granitic rocks. The outcrops consist of a group of cassiterite-bearing pegmatite dikes with a 378 the canadian...pegmatites were mined during the forties for cassiterite (Junta de Castilla y León 1986) in a group of...intermediate zone, which displays a strong degree of cassiterite mineralization. Quartz, and less commonly white |  | 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) | | occurrence of amblygonite–montebrasite, lepidolite, cassiterite, columbite-(Fe), columbite-(Mn) and microlite...montebrasite areas enriched in Na. Unusual Mn > Fe cassiterite is zoned, with the alternating darker zones being...present both in lighter and darker zones of cassiterite. It shows exsolutions of columbite-(Fe), columbite-(Mn...lepidolite, and influence the crystallization of cassiterite, columbite-tantalite and microlite (e.g., Linnen... granitic aplite-pegmatite veins containing cassiterite and lepidolite (Fig. 2a), NW-SE to WNW-ESE trending |  | 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) | | intermediate zones, the dominant phases are cassiterite, wodginite with elevated Zr contents and ferrowodginite...inclusions of hafnian zircon, and late-stage cassiterite. From the wall zone to the core-margin assemblage...wodginite-group minerals and ferrotapiolite + cassiterite. The phase changes and compositional variations...minerals, columbite-group minerals, ferrotapiolite, cassiterite, granitic pegmatite, San Luis, Argentina. Sommaire...ferrowodginite, ferrotitanowodginite, ferrotapiolite and cassiterite. Although wodginite-group minerals (WGM) are |  | | 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...measuring 20-30 cm in length. Beryl, amblygonite, cassiterite, manganapatite, and small nodules of triphylitc |  | | Journal (article/letter/editorial) | | Harding, New Mexico (Lumpkin 1998a, b), or Varuträsk, Sweden (Čern ý et al. 2004). Studies of CGM in larger...occasional ferrotapiolite, whereas wodginite and cassiterite are scarce (except in the La Viquita pegmatite)...for M 2+ + 2 M 5+ (along the join of rutile or cassiterite with the CGM value of M 2+/M 5+) and other mechanisms...pegmatites carry CGM and microlite, but lack cassiterite and complex Ta–Sn–Ti minerals. The other subgroup...assemblages of accessory minerals, including cassiterite, ferrotapiolite and minerals of the wodginite |  | 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) | | pegmatites. Columbite-group minerals, tapiolite, cassiterite and minor ixiolite and wodginite occur in abundance...of multiple crystallization phases, whereas cassiterite is dominantly homogeneous with minor euhedral...compositions during the fractionation process. Cassiterite shows similar fractionation patterns wit Fe>Mn... only for the elements Sn and Ti suggesting cassiterite was a dominant competing mineral phase. Although...KEYWORDS: Columbite-group minerals, tapiolite, cassiterite, granitic pegmatite, Damara Orogen, Namibia. |  | Wang, Ru Cheng, Yu, A-Peng, Chen, Jun, Xie, Lei, Lu, Jian-Jun, Zhu, Jin-Chu (2012) Cassiterite exsolution with ilmenite lamellae in magnetite from the Huashan metaluminous tin granite in southern China. Mineralogy and Petrology, 105 (1) 71-84 doi:10.1007/s00710-012-0194-x | Journal (article/letter/editorial) | | DOI 10.1007/s00710-012-0194-x ORIGINAL PAPER Cassiterite exsolution with ilmenite lamellae in magnetite...magnetite-series granites as shown by the presence of cassiterite or its incorporation into Ti-bearing minerals...interstitial grains spatially associated with ilmenite, cassiterite, Sn-rich titanite (SnO2 up to 5.9 wt.%), fluorite...titanomagnetite precursor. Microinclusions of cassiterite (<1 μm in size) are found only within ilmenite...lamellae. This suggests that magnetite with cassiterite inclusions is likely an indicator mineral of |  | 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) | | minerals are found spatially associated with cassiterite. Cassiterite is not present in the spodumene pegmatites...two types of associations: 1) associated with cassiterite, only in petalite-bearing pegmatites, and 2)...quartz, feldspar, petalite, muscovite, and minor cassiterite, Nb–Ta minerals, fluorapatite, montebrasite,...albite, lepidolite, and muscovite, and minor cassiterite, Nb–Ta oxides, fluorapatite, zircon, and goyazite...Petalite pegmatites are associated with the cassiterite-bearing aplite units that were mined in the past |  | Novak, M., Cerny, P., Cempirek, J., Srein, V., Filip, J. (2004) FERROTAPIOLITE AS A PSEUDOMORPH OF STIBIOTANTALITE FROM THE LASTOVICKY LEPIDOLITE PEGMATITE, CZECH REPUBLIC; AN EXAMPLE OF HYDROTHERMAL ALTERATION AT CONSTANT Ta/(Ta + Nb) The Canadian Mineralogist, 42 (4) 1117-1128 doi:10.2113/gscanmin.42.4.1117 | Journal (article/letter/editorial) | | involving ferrotapiolite, manganotapiolite, cassiterite, microlite and native antimony from the Tiainen...ferberite (WM␣), metallic Ta (TaM␣), LiNbO3 (NbL␣), cassiterite (SnL␣), TiO2 (TiK␣), ZrO2 (ZrL␣), SiO2 (SiK␣)...minerals of Nb, Ta, Sn and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an “anomalous” columbite–tantalite...Pegmatite–Aplite Dikes in the Mesa Grande District, San Diego County, California. Ph.D. thesis, Stanford University...Rynersonite, Ca(Ta,Nb)2O6, a new mineral from San Diego County, California. Am. Mineral. 63, 709-714. GREEN, T |  | | 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 |  | | Journal (volume) | | pegmatites with or without columbite and/ or cassiterite. One group grades into the berylcolumbite-phosphate...farther away from the core. A few crystals of cassiterite, Nb,Ta-minerals, green elbaite, Li-mica and green...albitic units carry accessory beryl, columbite, cassiterite, lepidolite, spodumene, apatite, spessartine...pyrite, marcasite, arsenopyrite, löllingite, cassiterite and vivianite, Geological Survey of Finland...montebrasite, gray and pink beryl, Mn-columbite and cassiterite. Reddish lithiophilite and its alteration products |  | | Journal (volume) | | varieties that contain columbite-tantalite, cassiterite, lithium phosphates and lithium silicates as...MicI'oHte ........ .... . .. ... .... .. .. Cassiterite .. . ....... . ............. Tapiolite ... ....Microlite ........ . ..... .. ..... ... . . Cassiterite . . . ..................... T apiolite ... ....several crystals. Niobium-tantalum minerals, cassiterite, zircon, thucholite, garnet and apatite are often....... Quartz . . . .. . ... . .. . . . ..... Cassiterite ... .. . . ....... . . Wad ....... .... .. . |  | | Journal (article/letter/editorial) | | elsevier.com/locate/oregeorev Geochemistry of cassiterite and wolframite from tin and tungsten quartz veins...2006 Available online 4 October 2007 Abstract Cassiterite and wolframite compositions from Sn N W- and...compositions. In Sn N W-bearing quartz veins, euhedral cassiterite shows sequences of alternating parallel darker...lighter zones which consist of nearly pure SnO2. Cassiterite from W N Sn-bearing quartz veins is usually zoned...rutile and rare ilmenite. The darker zones of cassiterite from the former veins are richer in Nb, Ta and |
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Varuträsk, Skellefteå, Västerbotten County, Sweden