 | | Report (chapter) | | uppermost thrust sheets in the Caledonide orogen, Sweden: outboard oceanic and exotic continental terranes...Luleå University of Technology, SE-971 87 Luleå, Sweden michael@stephens.se Abstract: Three separate stacks...the Upper Allochthon in the Caledonide orogen, Sweden. This thrust complex is dominated by late Cambrian–Ordovician...the overview of the Caledonian thrust nappes in Sweden. It addresses the upper and uppermost thrust sheets...of the country, from central Jämtland through Västerbotten and into Norrbotten (Fig. 22.1). These allochthons |  | | Journal (volume) | | Survey of Finland Bulletin 306 The ore deposits of Sweden by Rudyard Frietsch Geologinen tutkimuslaitos...Survey of Finland, Bulletin 306 THE ORE DEPOSITS OF SWEDEN by RUDYARD FRIETS CH with one figure in the text...ESPOO 1980 Frietsch, R. 1980. The ore deposits of Sweden. Geological SlIrvey Bulletin 306. 20 pages and...figure. 0/ Finland, The metallogenie provinces of Sweden are reviewed. The Precambrian deposits include...the iron, sulphide and tungsten ores of Central Sweden, the sulphide ores of the Skellefte district, the |  | | Journal (article/letter/editorial) | | SverigesGeologiskaUnders6kning,Box670, S-75128 Uppsala,Sweden Abstract A lead isotopeinvestigation of 55 galenasamplesfrom...continental source. of ore lead in the whole of Sweden. Most of their data THE Scandinavian Caledonidesconsistof...amphibolitic hostrocks,generally rock. Pyrite, pyrrhotite,sphalerite,galena,and bor- witha leadcontent...km west of the village of Valsj6bynin Jiimtland County near the Norwegianborder (Figs. 1 and 8). It is...metric tons)depositand occursas a 1-dm thick, pyrrhotite-rich,massivesulfidelayer whichcan be followedfor |  | Sundblad, K., Zachrisson, E., Smeds, S. A., Berglund, S., Aalinder, C. (1984) Sphalerite geobarometry and arsenopyrite geothermometry applied to metamorphosed sulfide ores in the Swedish Caledonides. Economic Geology, 79 (7) 1660-1668 doi:10.2113/gsecongeo.79.7.1660 | Journal (article/letter/editorial) | | ZACHRISSON, GeologicalSurveyof Sweden,Box 670, S-75128 Uppsala,Sweden S.-A. SMEDS, Instituteof Geology...Uppsala,Sweden S. BERGLUND, Departmentof EconomicGeology,Universityof Lule&,S-95187 Lule&,Sweden AND C...C. ]kLINDER GeologicalSurveyof Sweden,Box 670, S-75128 Uppsala,Sweden Abstract Metamorphosedmassivesulfidedepositsin...Scandinavian Caledonides consist of a number pyrite, pyrrhotite, sphalerite,and arsenopyriteare abundant. of...pyrite-pyrrhotite-sphal- on top of one anothermainlytoward the end stage erite and pyrite-pyrrhotite-arsenopyrite |  | | Journal (article/letter/editorial) | | Reflecting Fissure-ControlledExhalationsat the Stekenjokk-Levi Strata-Bound Sulfide Deposit, Central S...ZACHRISSON GeologicalSurveyof Sweden,Box 670, S-751 28 Uppsala,Sweden Abstract The volcanogenicstra...the fold stackrevealslateral dimensionsfor the Stekenjokk-Leviore layer on the order of 0.4 X 10 km. In...1976; Zachrisson, nage of the extremely elongate Stekenjokk-Levi 1977, 1980). These nappesinclude sequencesre-...the B15sj6Phyllite,supposedly of Ordovician The Stekenjokk Quartz-KeratophyreFormation age (Stephens,1982a) |  | | Journal (article/letter/editorial) | | UA and partly in the UmA. One of these is the Stekenjokk-Fundsjù arc sequence (about 490 Ma) which forms...Proterozoic orthomagmatic Fe-Ti-V ores in both Norway and Sweden, e.g. Rùdsand and SelvaÊg (Korneliussen et al....Geological Survey of Norway Deposit VMS Lùkken Stekenjokk-Levi Tverrfjellet Joma, Grong Skorovas, Grong...Husvika Zn-Pb Målvika W Leka PGE Bømlo Tromsø Stekenjokk Zn-Cu Skorovass Cu-Zn Fremstfjell Cu-Mo Fosdalen...the Rana District of Norway and adjacent parts of Sweden (Fig. 4), and in the Ofoten district of Norway |  | | Journal (article/letter/editorial) | | Caledonides of south- 1966. ernmost V•isterbotten, Sweden, at latitude 65ø N and longitude14ø 30' E (Fig...the CentralSwedish Caledonides. •0 km THE STEKENJOKK ORE BODIES, CENTRAL SWEDISH CALEDONIDES 643...intentionof the presentpaper is to discussthe Stekenjokk ore bodiesin relation to the regional geology...thinning markedly axial surfaces. Geology of the Stekenjokk Area The Stekenjokkarea is part of the Western...graphitic phyllites, overlying the Stekenjokk Quartz-Kerato- THE STEKENJOKK OREBODIES,CENTRALSWEDISHCALEDONIDES |  | | Journal (article/letter/editorial) | | restricted to a number of deposits in USA, Canada, Sweden and Norway, a number which has been steadily declining...been major data sources for the present paper: Sweden (Stephens et al., 1979; Zachrisson, 1980), Norway...iron contained within the abundant pyrite and pyrrhotite constitutes the most abundant metal present within...most of the sandstone-hosted Pb ( - Z n ) ores in Sweden, the carbonate-hosted Zn ( - P b ) ores of the...grains, occurs in numerous deposits. In contrast, pyrrhotite-rich ores which have much less strength at elevated |  | | Journal (article/letter/editorial) | | pastthe apex of the fold. Lake Chelan in Chelan County, Washington,was The author's initial interest in...b•cs'•'•TZ] cal•sc hist & •7/#• amphibolite pyrrhotite, galena, •'•'•"A'•?•?• cha•copy ritc, pyrmte...associated with the Mount Chalmers 1952). Although pyrrhotite is generally the most deposit,Queensland,Australia...thistype seemsto indicatethat the bulk of the pyrrhotite wasdepositedas a primary mineral. In the zinc-richzonealongthe...For example,diamonddrill holeassays of tion of pyrrhotite. Smallamountsof sphaleriteare alsofoundassmall |  | | Journal (article/letter/editorial) | | Stockholm, Sweden Present address: Geological Survey of Sweden, Box 670, S-75128 Uppsala, Sweden The origin...origin of the pyrrhotite in the Ankarvattnet massive sulphide deposit is discussed, based on chemical relations...ideas for the origin of the pyrrhotite in other deposits. The pyrrhotite is thought to have formed in...it is well known that pyrite can decompose to pyrrhotite and sulphur (Kullerud and Yoder, 1959) if sufficient...metamorphism is an important agent in forming pyrrhotite and attempts have also been made to establish |  | | Journal (article/letter/editorial) | | Northern Sweden R. L. Romer Department of Economic Geology, Lulegt University, Lulefi, Sweden With 3 Figures...sulfide deposits within the basement of northern Sweden have lead isotopic compositions that fall on a...Early Proterozoic supracrustal belts in northern Sweden (Fig. 1) were metamorphosed during the Svecofennian... Fig. 1. Simplified geological map of northern Sweden (Nordkalott Project, 1987). A Asbestgruvan, G Gautelis...Valasjaure. Inset Map: S Skelleftc field, St Stekenjokk Caledonian upgrading of Proterozoic low-grade |  | | Journal (article/letter/editorial) | | depositswith irregularlydispersed pyrite and pyrrhotite have sphaleriteswith higher and more variable...thosedepositswhich containuniformlydistributedpyrite and pyrrhotite havehigh iron contentsbut exhibitnarrowcompositional...presenceof variable amountsof contaminantpyrite and/or pyrrhotite and/or chalcopyrite. Samplesand AnalyticalTechniques... Calc-silicate,limestone Py = pyrite, po = pyrrhotite,-- = insignificant amount,tr = trace SULFIDE...the small (even if constituentin a matrix of pyrrhotite or base-metal generallymuchmorevaluable)amountsof |  | | 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...Then follow three other deposits in Västerbotten, Lainijaur, Stekenjokk, and Varuträsk, no one of which is...countries: Ireland England Scotland 3 7 1 Wales Norway Sweden 1 7 17 Finland Poland USSR 12 2 30. These 80 |  | | Journal (article/letter/editorial) | | sulfide deposits of the Mineral District, Louisa County, Virginia. They are especiallysignificantin the...Generalizedmap of the Mineral District of Louisa County, Virginia showing the location of the Cofer Deposit...Deposit lies within the Mineral District of Louisa County in the Central Virginia Piedmont (Fig. l). The...chalcopyrite and minor amounts of tetrahedrite, pyrrhotite, and sulfosalts. The total original ore mass...amounts of native bismuth, kobellite, galena o. and pyrrhotite may also be present. This "graphic 6 o ^A intergrowth" |  | | Journal (article/letter/editorial) | | Geologiska Undersdkning, Box670, S-75128Uppsala,Sweden H. ScoTr SWlNDEN, Newfoundland Departmentof Minesand...ANKARVATTNET DEPOSITS 41. FOLLOALGROUP OF DEPOSITS 54. STEKENJOKK-LEVI /*2 TVERRFJELLET AND HEIMTJ•INNH½ DEPOSITS...WPB) and tholeiites massivesulfidesconsistof pyrrhotite,minor pyrite, of midoceanridge systems(NoMORB)...R•yrvik Group.Massive pyriticandchalcopyrite-pyrrhotite ores in the depositare overlain,apparentlyin...PYRITE • LIMESTONE • MASSIVECHALCOPHYRITE/PYRRHOTITE ORE vvv•,vv.vvvvvvvvv• ,v. .............. |  | | Journal (article/letter/editorial) | | 1983). The ore in this case is a stratiform pyrrhotite-chalcopyrite-pyrite body which is enclosed within...described the same phenomenon in the Stekenjokk deposit in central Sweden. In our opinion, however, the most...metamorphism has led to enrichment of chalcopyrite, pyrrhotite, sphalerite, galena and tetrahedrite in specific...rutile zp’ nvrrhntitet ovrite+;dile e+_ pyrite pyrrhotite + rutile zone pyrrhotitef ilmenitet graphite...are almost invariably mixtures of pyrite and/or pyrrhotite, galena, sphalerite and chalcopyrite. If selective |  | | Journal (article/letter/editorial) | | S.: Isotopic age determinations in Bergslagen, Sweden: II. The Filipstad-type granite of Rockesholm,...Filipstad-Grythyttan-Hjulsj6 region, Bergslagen, Sweden. Geologische Rundsehau 71:182-194 (1982) Oen, I...U.: Isotopic age determinations in Bergslagen, Sweden: III. The Hyttsj6 suite of gabbro-diorites and...release and formation of massive sulphides in the Stekenjokk volcanites, Central Swedish Caledonides. Norges...volcano-plutonic complexes, Bergslagen, Central Sweden. Geol. Rundschau 71 : 171 - 181 (1982) Winchester |  | | Journal (article/letter/editorial) | | nickel-coppermine at four countries: Finland, Norway, Sweden, and the Vammala was increasedand the first planswere...IN PAPUNEN, FINLAND, AND NORWAY, VOKES AND SWEDEN--A REVIEW Fit;. 1. The Vuonos mine in the Outokumpu...operativein 1976, 30 were extractingiron ores. The Sweden productionof iron ore was30.526 million metric...180,000 ORE DEPOSITS IN FINLAND, NORWAY, AND SWEDEN F•G. 2. Special geophysical methods are called...("Slingram") measuringcrew at work in northern Sweden. Photo: _•. Hesselborn) 977 978 FRIETSCH, PAPUNEN |  | | Journal (article/letter/editorial) | | and 2 of Maiden involve stratabound laminated pyrrhotite-cassilerite deposits which could form by carbonate...result from the plastic flowage of pyrrhotite during deformation. Pyrrhotite plastic flowage is not necessarily...1979). We are confronted with the problem of pyrrhotite- cas s iterite mineralisation in low metamorphic...(Doradilla, Australia) may provide the link between pyrrhotite-cassiterite deposits in low metamorphic grade...with granites. This deposit comprises laminated pyrrhotite-cassiterite in carbonate rocks enclosed by low |  | | Report (chapter) | | Va'sterbotten in Sweden e1~2~3 to show that the stratiform ores of Skorovas, Joma, Stekenjokk, L~kken and...the K~li Nappe sequence between the Grong and Stekenjokk areas. A compilation from these sources is made...within which are situated the Stekenjokk orebodies (St) (the Stekenjokk maim and the Levimalm). 82 129...quartzite cong (Horg Disturbance) _ GRONG - STEKENJOKK REGION LASTERFJALL GROUP ~ . ~ ~ Ashgithan...in support of a (Lower ?) Silurian age for the Stekenjokk orebodies, which lie within the lower part of |  | | Journal (article/letter/editorial) | | University o f Uppsala, Box 555, S-751 22 Uppsala {Sweden) LITHOS Sillanp~/~, J., 1986. Mineral chemistry...Ankarvattnet deposit which consists of pyrite, pyrrhotite, sphalerite, chalcopyrite and galena and has...1984). The Bl~sj6 Phyllite and the overlying Stekenjokk Quartz-Keratophyre form part of the Middle Ki31i...G. and Zachrisson, E., 1979. The Caledonides in Sweden. Sver. Geol. Unders., Ser. C, 769: 1-48. Guidotti...Kvarnbergsvattnet area, northern Jh'mtland, central Sweden. Sver. Geol. Unders., Ser. C, 735: 1-107. Stephens |  | | Journal (article/letter/editorial) | | IsotopeCompositionof CaledonianSulfide-BearingVeins in Sweden z•KEJOHANSSON Ore ResearchGroup,Geological Institution...Institution,StockholmUniversity,S-10691 Stockholm, Sweden Abstract The isotopiccomposition of lead in galenafrom...Caledoniansulfidedeposits in Swedencanbe divided of oreleadsin Sweden, Wickmanet al. (1965)estab- into four groups:(1)...Pb-Znimpregnations arefoundin late Precambrian agein Sweden,but comparisonis madewith the com- or Cambriansandstones... 1674 Pb ISOTOPE COMPOSITION, SULFIDE VEINS, SWEDEN 15' 20* i I 1675 SjGngeli-Romb•k 68ø window |  | | Journal (article/letter/editorial) | | Most of the sulphides (galena, chalcopyrite, pyrrhotite and sphalerite, but not pyrite) evolve from cataclasis...(modified from Green et al., 1981 ), and (d) Stekenjokk Mine, Sweden (modified from Juve, 1974). tios between...1967 ). Similarly, selective remobilization of pyrrhotite and silver into hinge zones exists at Broken...Broken Hill (Plimer, 1987 ), and chalcopyrite and pyrrhotite are enriched in the Giken II orebody at Sulitjelma...a pre-tectonic origin for bedding-controlled pyrrhotite, sphalerite and galena mineralization. However |  | | Journal (article/letter/editorial) | | deposits,andcontainsa smallsphalerite-galena-pyrrhotite deposit at Gronnfjelldal(45, Fig. 1). The Gr...41 1 Spreadingridge Island arc environment • Stekenjokk-Joma environment Helonda Gjersvik Skrattas...the underlyingdeposits. The Swedishdeposits of Stekenjokk, Zinkblandemalmen,Tjokkola,Raurotjuolta, Ropen...orogen seemsto be almostidenticalto that in the Stekenjokk We have earlier suggestedthat the lead isotope...VirginiaPolytech.StateUniv., 48 p. stonelead-zincdeposit,Sweden: ECON.GEOL.,v. 76, p. 20422046. Marlow,W., 1935 |  | | Journal (article/letter/editorial) | | metabasites in the Sax rift basin, Bergslagen, Sweden R. H. Hellingwerf Geological Institute, Nieuwe...Saxfi area of the Bergslagen mining district in Sweden. The age of some of the old ones goes back to the...PyMsglmi-Pielavesi area and made reference to a pyrite-pyrrhotite-rich zone in acid tufts, directly below a basic...PHYLLITES (GRAPHITE~"2~--'~Jl ....~...; .I, PYRRHOTITE-BEAR I NG) AMPHIBOLE-MAGNETITE-QUARTZ SKARN ZONE...i , sists of black graphitic phyllites with pyrrhotite and pyrite disseminations and of gray quartz-phyllites |
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