 | | Report (issue) | | amounts. Association: Quartz, spodumene, petalite, amblygonite, lepidolite, elbaite, cassiterite, columbite...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 |  | | Journal (article/letter/editorial) | | pegmatite, situated about 10 km. from Skelleftea, in Sweden. Three main stages can be distinguished : (a) An...lithium minerals such as spodumene, petalite, and amblygonite. As work continued during the following years...53 appearance of the minerals spodumene and amblygonite. The muscovite in this zone may also acquire...and even then it was * only partially exposed. Amblygonite also occurs in huge individuals over half a metre...green tourmalines, amblygonite, and quartz. Of these minerals spodumene and amblygonite have been indicated |  | | Journal (volume) | | 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... p. 121) in contemplating the genesis of the Varuträsk pegmatite. During the hydrothermal stage, fluids...brought to light at Kaatiala. From the Varuträsk pegmatite in Sweden (Quensel, 1956), the Haapaluoma pegmatite...some differences in the formation stages. At Varuträsk the pneumatolytic Li-stage preceded the Na-stage |  | | Journal (article/letter/editorial) | | the Kibingo pegmatitic body differs from the amblygonite pegmatite of Mwaka and could be a poorly evolved...gisement de Kibingo ne serait pas la pegmatite à amblygonite de Mwaka, mais une lentille pegmatitique voisine...“Quensel puts alluaudite in his supergene stage at Varuträsk; nevertheless, in some of its occurrences, it...en amblygonite avec cristaux géants de spodumène et autres phosphates” (exhibiting an amblygonite-rich...the phosphate associations from the Varuträsk pegmatite, Sweden. In addition, the absorption features |  | | Journal (article/letter/editorial) | | pages 75–84, 2018 Microtexture investigation of amblygonite–montebrasite series with lacroixite: Characteristics...University, Fukuoka 819-0395, Japan 1 Abstract Amblygonite–montebrasite series and lacroixite from Nagatare...lacroixite was contained in montebrasite and amblygonite in all observed specimens. TEM/STEM observations...high temperature, the unit-cell parameters of amblygonite were closer to that of monoclinic structures...from a high-temperature phase. Montebrasite and amblygonite specimens from other localities involved varying |  | | Journal (article/letter/editorial) | | itself scattered in a mineral of the montebrasite–amblygonite solid-solution series. “Natromontebrasite”, originally...thus be considered as a mixture of an OH-rich amblygonite and lacroixite, with subordinate amounts of wardite... Keywords: “natromontebrasite”, lacroixite, amblygonite, montebrasite, Canon City, Colorado. Sommaire...minéral de la série isomorphe montebrasite – amblygonite. La “natromontebrasite”, initialement décrite...Mots-clés : “natromontebrasite”, lacroixite, amblygonite, montebrasite, Canon City, Colorado. Introduction |  | | 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)...the same n.d. H2O Lepidolite, spodumene, amblygonite, elbaite, tantalite (Mn), microlite, stibiotantalite...6–8), beryl–petalite (an. 9, 10), spodumene–amblygonite (an. 11). The coefficients are approximated to |  | | Journal (article/letter/editorial) | | oxides (wodginite group, tantalite), phosphates (amblygonite–montebrasite, triphylite–lithiophilite), micas...interests in Scandinavia, in particular in Sweden (e.g., Utö, Varuträsk) in the mid-1990s, then in Slovakia...foordite–thoreaulite series), primary phosphates (amblygonite–montebrasite series, triphylite–lithiophilite...pluton of the Wausau syenite complex, Marathon County, Wisconsin by Al U. Falster and colleagues; compositional |  | | 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...tourmalines, measuring 20-30 cm in length. Beryl, amblygonite, cassiterite, manganapatite, and small nodules |  | 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) | | related to the two-mica granite. The occurrence of amblygonite–montebrasite, lepidolite, cassiterite, columbite-(Fe)...crystallization of tourmaline, topaz, montebrasite–amblygonite, lepidolite, and influence the crystallization...aplite-pegmatite veins also contain frequent amblygonite–montebrasite, topaz, lepidolite, cassiterite...montebrasite (Hu et al., 2007). 8.7. Montebrasite Amblygonite–montebrasite minerals can be the most representative...2003). The amblygonite–montebrasite solid-solution series has two end members: amblygonite LiAl[(PO4 )F] |  | 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) | | tapiolite, wodginite-group minerals, cassiterite, amblygonite, microlite, niobian rutile, fergusonite, bertrandite...and cassiterite. Zone IV (quartz – spodumene – amblygonite zone) is located in the central part of dyke...several centimeters across. Massive crystals of amblygonite also are present, and generally altered to other...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 |  | 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) | | petalite, lepidolite, pink or green elbaite and amblygonite. Cassiterite and tantalite also are abundant...[33] and Mason [34] in the pegmatites of Varuträsk (Sweden), and later located in most of the pegmatite...presence of minerals rich in this element, such as amblygonite. Type-V pegmatites are the most evolved in the...important amounts of spodumene associated with amblygonite-montebrasite appear in the third intermediate...hydrogen isotopic composition of micas from the Varuträsk rare-element pegmatite was also used as an argument |  | | Journal (volume) | | This is one of the classic pegmatites of the amblygonite subtype. 3) The Haapaluoma pegmatite, Peräseinäjoki...complex pegmatites of spodumene, lepidolite and amblygonite subtypes have also been observed (Lahti 1981...and diverse phosphates of Li, Fe-Mn and Be: amblygonite-montebrasite, triphylite-lithiophilite, triplite...beryllonite and väyrynenite are widespread. Amblygonite-montebrasite oeeurs loeally as the main mineral...phosphate-rieh units and fraeture fillings. Both the amblygonite-montebrasite and triphy- lite-lithiophilite |  | | Journal (volume) | | eolumbitetantalite, lepidolite, elbaite, spodumene, amblygonite- montebrasite, manganiferous apatite and triphylite-...deposits enriched markedly in lithium contain amblygonite-montebrasite and various lithium silicates, lepidolite...Viitaniemi pegmatite is exceptionally rich in amblygonite-montebrasite. Bluegreen Mn-rich apatite, iron-...often encountered between the crystal plates of amblygonite-montebrasite as small nodules or as larger aggregates..... Väyrynen ite . . . . . . . . . . . . . . Amblygonite-Montebrasite T riplite . . . . . . . . . . . |  | 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) | | Harding, New Mexico (Lumpkin 1998a, b), or Varuträsk, Sweden (Čern ý et al. 2004). Studies of CGM in larger...half of the dyke, lepidolite is absent, but amblygonite–montebrasite occurs in widespread dendritic aggregates...of Li identified in them are members of the amblygonite – montebrasite series in the La Victoria pegmatite...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 Univ., Stanford |  | Galliski, M. A., Cerny, P., Marquez-Zavalia, M. F., Chapman, R. (2012) An association of secondary Al-Li-Be-Ca-Sr phosphates in the San Elias pegmatite, San Luis, Argentina. The Canadian Mineralogist, 50 (4) 933-942 doi:10.3749/canmin.50.4.933 | Journal (article/letter/editorial) | | magmatic origin, i.e., OH-dominant members of the amblygonite–montebrasite series that were replaced during...pegmatites, generally as secondary derivatives of amblygonite–montebrasite phases, among which are Palermo...alteration sequence for Karibib pegmatites with amblygonite ! montebrasite and low-F montebrasite – “natromontebrasite”...Tanco pegmatite at Bernic Lake, Manitoba. III. Amblygonite– montebrasite. Can. Mineral. 11, 643-659. London...(104-106). Quensel, P. (1956): The paragenesis of the Varuträsk pegmatite, including a review of its mineral assemblage |  | 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) | | approximately 30 t of beryl, 55 t of spodumene, 80 t of amblygonite–montebrasite, 600 t of K-feldspar and 1 t of...of the dominance of primary montebrasite over amblygonite. The Sn and Ti contents of the columbite-group...minerals of Nb, Ta, Sn, and Sb in the Varuträsk granitic pegmatite, Sweden: the case of an “anomalous” columbite-tantalite...late-stage sodium enrichment, Brazil Lake, Yarmouth County, Nova Scotia. I. Geological setting and petrology |  | | Journal (article/letter/editorial) | | cavities (e.g., Novák & Povondra 1995). 2013 The amblygonite subtype is generated from pegmatite-forming melts...Li-aluminosilicates and stabilizes minerals of the amblygonite–montebrasite series instead (London 1982). This...on global scale (Table 5). Pegmatites of the amblygonite subtype may actually be more widespread: in the...near-absence of Li-aluminosilicates and lithian micas, amblygonite may easily escape attention in the field. The...in the Transscandinavian Igneous Belt, southern Sweden. Symp. Precambrian Granitoids (Helsinki), Abstr |  | Sánchez-Muñoz, Luis, Müller, Axel, Andrés, Sol López, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The P–Fe diagram for K-feldspars: A preliminary approach in the discrimination of pegmatites. Lithos, 272. 116-127 doi:10.1016/j.lithos.2016.10.030 | Journal (article/letter/editorial) | | pegmatites in the Trout Creek Pass dictrict, Chaffee County, Colorado. The Canadian Mineralogist 30, 673-686...SGA Meeting, Vol. 4, 12–15 August 2013, Uppsala, Sweden, p. 1774–1776. ACCEPTED MANUSCRIPT Müller, A...South Platte granite-pegmatite system, Jefferson County, Colorado. Geochimica et Cosmochimica Acta PT... D Sveconorwegian Province in S Norway and SW Sweden (Evje-Iveland, Froland, Glamsland, Arendal, Søndeled...Uttö-Mysingen (Sweden); 40. AC CE P Varuträsk (Sweden); 41. Bothnian Basin (Sweden); 42. Falun (Central |  | Černý, P., Teertstra, D. K., Chapman, R., Selway, J. B., Hawthorne, F. C., Ferreira, K., Chackowsky, L. E., Wang, X.-J., Meintzer, R. E. (2012) Extreme fractionation and deformation of the leucogranite-pegmatite suite at Red Cross Lake, Manitoba, Canada. IV. Mineralogy. The Canadian Mineralogist, 50 (6) 1839-1875 doi:10.3749/canmin.50.6.1839 | Journal (article/letter/editorial) | | elbaite–rossmanite, beryl, pollucite, fluorapatite, amblygonite, oxide minerals of Ta, Nb, Ti, Sn, Sb and U,...Smeds et al. (1998, lithiophilite, apatite, amblygonite, unknown #3), Masau et al. (2000a, xenotime)...(pollucite) ((grossular)) — (spessartine) ((amblygonite)) (epidote) spodumene** spodumene* ((montebrasite))...for cheralite. 1861 Amblygonite – montebrasite Grains of white primary amblygonite are scattered throughout...range from being microscopic to 1.5 mm in size. Amblygonite is associated with lepidolite, albite and elbaite–rossmanite |  | | Journal (article/letter/editorial) | | Fe), columbite-(Fe), wodginite, triphylite, amblygonite, or lepidolite] will also crystallize from Na-...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...hydrothermal evolution of the Varuträsk rare-element pegmatite (Northern Sweden). Chemical Geology, 421, 1–16 |  | Novák, Milan, Sejkora, Jiří, Škoda, Radek, Budina, Václav (2008) Bismutotantalite-stibiotantalite-stibiocolumbite assemblage from elbaite pegmatites at Molo near Momeik, northern Shan State, Myanmar. Neues Jahrbuch für Mineralogie - Abhandlungen, 185 (1) 17-26 doi:10.1127/0077-7757/2008/0108 | Journal (article/letter/editorial) | | commonly to lepidolite (Banno et al. 2001), amblygonite (Galliski et al. 2001) and spodumene subtype...minerals of Nb, Ta, Sn and Sb in the Varuträsk granitic pegmatite, Sweden. – Amer. Miner. 89: 505–518. ČERNÝ |  | | Journal (article/letter/editorial) | | and developing distinct quartz cores hosting amblygonite- 189 montebrasite and other primary to secondary...specific host minerals (i.e. cassiterite and amblygonite- 304 montebrasite) were ablated with an ESI...hosted in cassiterite and 328 montebrasite-amblygonite have been matrix-corrected based on the stoichiometric...concentrations were calculated using 7Li (montebrasite-amblygonite) or 118Sn (cassiterite) as internal standard...beryl, zircon, green elbaite, apatite, 417 amblygonite-montebrasite and niobium-tantalum oxides. Disseminated |
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Varuträsk, Skellefteå, Västerbotten County, Sweden