 | Bauer, Tobias E., Skyttä, Pietari, Hermansson, Tobias, Allen, Rodney L., Weihed, Pär (2014) Correlation between distribution and shape of VMS deposits and regional deformation patterns, Skellefte district, northern Sweden. Mineralium Deposita, 49 (5) 555-573 doi:10.1007/s00126-013-0503-2 | Journal (article/letter/editorial) | | deformation patterns, Skellefte district, northern Sweden Tobias E. Bauer & Pietari Skyttä & Tobias Hermansson...2014 Abstract The Skellefte district in northern Sweden is host to abundant volcanogenic massive sulphide...disseminated Zn–Cu–Au ± Pb ores surrounded by disseminated pyrite and with or without stockwork mineralisation. The... Luleå University of Technology, 971 87 Luleå, Sweden e-mail: tobias.bauer@ltu.se P. Skyttä : T. Hermansson...R. L. Allen The Boliden Group, 936 81 Boliden, Sweden comparison of the size of VMS deposits with their |  | | Report (chapter) | | 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...segment of the 2.0–1.8 Ga Svecokarelian orogen in Sweden, occurring in the central and northern parts of...STEPHENS, M. B. & BERGMAN WEIHED, J. (eds) 2020. Sweden: Lithotectonic Framework, Tectonic Evolution and...February 9, 2020 84 P. SKYTTÄ ET AL. NORRBOTTEN VÄSTERBOTTEN JÄMTLAND VÄSTERNORRLAND GÄVLEBORG 200 km |  | | Journal (article/letter/editorial) | | PREC.4MBRI.•IN SULFIDE ORES, SKELLEFTE DISTRICT, SWEDEN Sir: In a recent publication in this journal,...it is saidthat, "the [Skellefte] oresbe- 34, Bjurliden ore; Nilsson, 1968, Boliden ore). problem longto...sociatedwith volcanicsby one group of ore geolo- and Bjurliden (Nilsson, 1968; Gavelin, 1939). gists. In many...chalcotion cutsthe primarybeddingover severalhundred pyrite occursin the samemanner as coarsepegrnameters (see...Zweifel have consideredthis question(p. 258) in the pyrite ore of the Udden mine. Some weeks and and concluded |  | | Journal (article/letter/editorial) | | of Precambrian Sulfide Ores, Skellefte District, Sweden DAVID T. RICKARD AND HANS ZWEIFEL Abstract Some...sedimentary rocks in the Skellefte district of northern Sweden. These depositshave been considered previouslyto...transpositions during regionalmetamorphism.The pyrite of the ores has been studied microscopicallyusing...commonlyshow pyrite micromosaics and thesehavebeenexaminedstatistically. It is concluded that the pyrite has been...As 3•sen,Ke Kedtr3isk,Ud Udden,Sv Svansele,Bj Bjurliden, Ma Maurliden, Hg H/Sgkulla,Me Mentr/isk, E1 Elvaberg |  | | Journal (article/letter/editorial) | | SulfurIsotope Systematics inthesen Pyrite-Barite Deposits,SkellefteDistrict,Sweden D^vm T. RICKARD, HANS ZWEIFEL...ZWEIFEL, AND T. H. DONNELLY Abstract The small pyrite-baritedepositsat 3,sen are situatedin a 7-km-longmineralizedzone...volcanics in the Skellefte field in northeastern Sweden. Comparedto other depositsin this province,Asen...numerousother volcanogenicpyritic ores in the province. The pyrite-sulfur is isotopicallyvery variable along the mineralized... (/x = 11.7 to 17.1%•). This contrastswith the pyrite-sulfurfrom other Skelleftefield depositswhich is |  | | Journal (article/letter/editorial) | | as T-P Indicators in Sulfide Ores from Northern Sweden S. Berglund 1 and T. K. Ekstr6m 2 1 Department...University of Lule&, Lule&, Sweden 2 Geological Survey of Sweden, Box 801, Lule&, Sweden The compositions of...arsenopyrite, more FeS in sphalerites and the absence of pyrite. INTRODUCTION A c c o r d i n g to the e x p e...l l e f t e d i s t r i e t of n o r t h e r n Sweden. H e r e , both arsenopyr i t e and s p h a l e...30.5 and 33.0 atom %. The first co-exists with pyrite, while the mineral assemblage of the second is |  | | Journal (article/letter/editorial) | | lead isotopic provinces in the Skellefte district, Sweden K. Billstriim 1 and W. Vivallo 2'* 1 Laboratory...Stockholm, Sweden 2 Department of Geologyand Geochemistry,Stockholm University,S-10691 Stockholm,Sweden Received:...supracrustals in the Skellefte ore district, northern Sweden. The ore lead data can be grouped on the basis...volcanic pile. The Skellefte ore province in northern Sweden (Fig. 1) forms a west-northwest trending metamorphosed...(Babel Group 1990). The Skellefte ores are mainly pyrite-rich massive sulphide deposits. The deposits are |  | | Journal (article/letter/editorial) | | range of Precambrian geological environments in Sweden and Finland during the last two decades. Under-explored...Saattopora (Finland), Boliden, Ädelfors, and Enåsen (Sweden), and Eidsvoll and Bidjovagge (Norway), is now...and Björkdal, Åkerberg, Harnäs, and Pahtohavare (Sweden) represent a new generation of gold mines, and...interest. One hundred representative deposits in Sweden, Norway, Finland, and Russia are discussed in this...503,700 km2, of which 25.0 percent is located in Sweden, 24.9 percent in northwestern Russia, 23.1 percent |  | | Journal (volume) | | attention is given to the sulphide mineralization. Pyrite and pyrrhotite tend to form separate bodies, which... . . . . . . . . . . . . . . . . . . . .. 19 PYRITE-PYRRHOTITE BODIES . . . . . . . . . . . . . . ...Besides serpentine, dolomite always contains some pyrite and pyrrhotite as impurities. From the standpoint...intersected by diamond-drill holes disclosing some pyrite mineralization in the same structural position...calcite, zeolites, quartz, apophyllite, baryte, pyrite, and some pyrrhotite (Fig. 4). Fig. 4. Vein material |  | | Journal (article/letter/editorial) | | Early Proterozoic Skellefte district, northern Sweden P. Weihed a, J. Bergmanb and U. Bergstrrm a aDepartrnent...Gothenburg/Chalmers University of Technology, S-412 96 Grteborg, Sweden bDepartment of Mineralogy and Petrology, GeologicalInstitute...Uppsala University, Box 555, S- 751 22 Uppsala, Sweden (Received January 6, 1991; accepted after revision...Early Proterozoic Skellefte district, northern Sweden. In: G. Gaul and K. Schulz (Editors), Precambrian...Weihed, Geological Survey of Sweden, Box 670, S-751 28 Uppsala, Sweden. 0301-9268/92/$05.00 mal gold |  | | Journal (volume) | | rare in nature, is unstable above ~ 688°C. 3. Pyrite and arsenopyrite cannot coexist in equilibrium...Abbreviations: asp, arsenopyrite; po, pyrrhotite; py, pyrite; 10, löllingite; and L , liquid. (After L. A. Clark...P-T projection. The upper stability curve of the pyrite-arsenopyrite assemblage (L. A. Clark, 1960 a) is...tothe observation that, where arsenopyrite and pyrite coexist, mineralization evidently took place below...Jambor, 1963) . In these studies equilibrium between pyrite and arsenopyrite was assumed, although the paragenetic |  | | Report (issue) | | minerals may include chalcopyrite, sphalerite, galena, pyrite, pyrrhotite, and magnetite. Silver, gold, bismuth...POLYBASITE PROUSTITE PS I LOME LANE PYROLUSITE PYRITE PYRARGYRITE PYROMORPHITE QUARTZ REALGAR RHODOCHROSITE...Pakistan Philippines Portugal Saudi Arabia Spain Sweden Turkey U.S. Alaska U.S. Alabama U.S. Arizona U...MIKE BINGHAMPTON BIRCH LAKE BJORKASEN BJURFORS BJURLIDEN BJURTRASK BLUE LEDGE BLUE MOON BODENNEC BOLIOEN...and ore deposits of the Afterthought mine, Shasta County, California: California Division of Mines and Geology |  | | 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...manageable. Then follow three other deposits in Västerbotten, Lainijaur, Stekenjokk, and Varuträsk, no one...countries: Ireland England Scotland 3 7 1 Wales Norway Sweden 1 7 17 Finland Poland USSR 12 2 30. These 80 |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | subtypes are known, one rich in molybdenite and pyrite, the other rich in gold and magnetite. Some deposits...indicator of a gold-rich system (Sillitoe, 1979). Pyrite may not be abundant in the copper ore and, for...concentration of copper may also be weak or absent. Pyrite along with sericite and clay may form in late stage...rock samples may show molybdenum anomalies in the pyrite halo, and anomalies of lead, zinc, silver, and...anomaly may be closely related to late sericite-clay-pyrite alteration overprinted on a copper-gold porphyry |  | | Journal (volume) | | contain mainly quartz and a few grains of calcite and pyrite. The axinite was separated by means of a magnet...(Walker and Parsons, 1923); 14- 16, l'i'ordmarken, Sweden (S jögren, 1895); 17, Dannemora , Swedeu (Sjögren...'VALDEMAR T. (1935) Monticellite from San Bernardino County, California, and the monticellite series. Am. Mineral...igneous range of may have formed by the oxidation of pyrite. The third sample shoulel be of biogenie origin... i. e., the isotopic constitution of sulfur in pyrite is independent of the geological age of the mineral |  | | Journal (volume) | | contain mainly quartz and a few grains of calcite and pyrite. The axinite was separated by means of a magnet...(Walker and Parsons, 1923); 14- 16, l'i'ordmarken, Sweden (S jögren, 1895); 17, Dannemora , Swedeu (Sjögren...'VALDEMAR T. (1935) Monticellite from San Bernardino County, California, and the monticellite series. Am. Mineral...igneous range of may have formed by the oxidation of pyrite. The third sample shoulel be of biogenie origin... i. e., the isotopic constitution of sulfur in pyrite is independent of the geological age of the mineral |  | | Report (volume) | | chalcopyrite + cubanite + millerite + vallerite + pyrite bornite + gersdorffite + sperrylite + PGE alloys...Types Dunitic Ni. DEPOSIT DESCRIPTION Mineralogy Pyrite + pyrrhotite + chalcopyrite + pentlandite, by-product...percent Ni): pyrrhotite+ pentlandite +magnetite+ pyrite+ chalcopyrite+ chromite. Low grade (0.4-1 percent...Mineralogy Pyrrhotite + pentlandite + chalcopyrite ± pyrite ± Ti-magnetite ± Cr-magnetite ± graphite--by-product... DEPOSIT DESCRIPTION Mineralogy: Pyrrhotite + pyrite ± pentlandite ± chalcopyrite ± vallerite ± loellingite |  | | Report (issue) | | Metallogenesis in the Kiruna-Skellefte Belt of Northern Sweden A History of Theoretical Developments in Carbonate-Hosted...were analyzed by Papunen (1970) for pyrrho- tite-pyrite-pentlandite and by Misra and Fleet (1973) from...containing hexagonal and monoclinic pyrrhotite and pyrite. Correspondingly, the Ni/Fe ratio is highest in...Ni-Cu deposits is incorporated in pentlandite if pyrite is absent, but the exploration but also spawned...layering, local stringer-type ore, enrichment of pyrite and local millerite, zones of footwall bleaching |  | | Book | | The variation which a mineral as "trivial" as pyrite can exhibit is simply baffling. This variation...H E ORE MINERALS FIG. 2 8 x Smâlands Taberg, Sweden RAMDOHR Titanomagnetite-olivinite with the characteristic...OF ORE DEPOSITS FIG. 3 80 x Smâlands Taberg, Sweden RAMDOHR Titanomagnetite (light) with spinel lamellae...sphalerite, galena, and chalcopyrite in Central Sweden, which were developed under high pressure, many...gold 4- quartz ± bismuth gold -f quartz + much pyrite copper minerals chalcopyrite + tourmaline chalcopyrite |  | | Book | | known in acid mine drainage. Disulfides such as pyrite can be oxidized according to the following reactions:...some of the reactions which can be observed with pyrite are (J. Boulègue, unpubl. data): FeS2 -> Fe2+ +...1. Scheme of reaction during the weathering of pyrite in mildly oxidizing conditions. Ox. = oxidant (...processes occurring in an aquifer at the contact of pyrite and a limited amount of dissolved oxygen are summarized...elemental sulfur (S8), iron sulfide (FeS) and secondary pyrite (FeS 2 ; FeS + (1/8)S 8 -> FeS 2 ). Eventually |  | | Report (issue) | | Deposits of West Shasta Copper-Zinc District Shasta County, California GEOLOGICAL SURVEY PROFESSIONAL Prepared...Deposits of West Shasta Copper-Zinc District Shasta County, California By A. R. KINKEL, JR., W. E. HALL, and...of the West Shasta copper-zinc district, Shasta County, Calif. Geologic sections of the West Shasta copper-zinc...feathery character of quartz (light) surrounding pyrite grains (dark)_________________________________...OF THE WEST SHASTA COPPER-ZINC DISTRICT, SHASTA COUNTY, CALIFORNIA By A. R. KINKEL, Jr., W. E. HALL, and |  | | Report (issue) | | The ages of lepidolites from Africa, Manitoba, Sweden, and Wyoming, and uraninite and monazite from Karelia...317-322, 1955. . The first carbon-14 confirmation in Sweden of an interglacial deposit, first dated as such...from submorainic deposits at Bjurliden, near Boliden in northern Sweden, have been dated by the carbon-14...age of the much-discussed submorainic deposits of Sweden. G. Lundqvist's paper (see Geophys. Abs. 168-6)...have· been- identified on seismograms of the Kern County, Calif., earthquake of July 21, 1952, at 11 of |  | | Book | | dort in einer Quarzbrekzie groBe wurfelformige Pyrite, Chalko pyrit, Galenit, gediegen Silber. grobspatiger...Sammlung und Foto: F. Grensman. Gahnit-Oktaeder von Bjurliden, Dalarna. GroBe des Kristalls 5 mm. Sammlung H...Pyrrhotin sitzenden kobalt- (und kupfer-)halti gen Pyrite bekannt (xx bis 5 cm). Neben Pyrrhoti n / Pyrit...(1971 ): Molybdenum and tungsten occurrences in Sweden. SGU Ca 46. lgelstrom, L. J. (1861 ): Sveriges...Lofvendahl, R. (1 980): Secondary uranium minerals in Sweden. GFF 1 02. • + Aberg, G. (1 981 ): An isotope study |
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