 | | Report (chapter) | | Luleå University of Technology, SE-971 87 Luleå, Sweden *Correspondence: michael@stephens.se Abstract:...lithotectonic unit, Svecokarelian orogen, south-central Sweden. Three sulphide mines are currently in operation...through the 2.0–1.8 Ga Svecokarelian orogen in Sweden, described in Part I of this Memoir, continues...lithotectonic unit, has been of major significance for Sweden, both socially and economically. This metallogenic...lithotectonic unit also contains one of the two places in Sweden investigated in detail down to 1000 m depth to |  | | Journal (article/letter/editorial) | | Vieille-Montagne,The SwedishSection,S-69042 Zinkgruvan,Sweden Abstract The Zinkgruvanstratiform,massiveZn-Pb...millionmetrictonsof crudeZn-Pb-Agore. In the central part of the mine the ore zone is underlainby a substratiformCu stringer...acquired the deposit and started south-central Sweden(Fig. 1). The ore provincecan miningona largescale...HEDSTR(JM, SIMEONOV, ANDMALMSTR•JM 4` oo + oo 'ZINKGRUVAN OoøOC oo oo 0oø%O 4-4-4-4-+4-++ 4- + +... 4- + + + + 4- 4- + 4- 4- 4- 4- 1 I ZINKGRUVAN 2km I FIG.1. Regional geologic mapoftheZinkgruvan |  | Jansson, N. F., Sädbom, S., Allen, R. L., Billström, K., Spry, P. G. (2018) The Lovisa Stratiform Zn-Pb Deposit, Bergslagen, Sweden: Structure, Stratigraphy, and Ore Genesis. Economic Geology, 113 (3) 699-739 doi:10.5382/econgeo.2018.4567 | Journal (article/letter/editorial) | | The Lovisa Stratiform Zn-Pb Deposit, Bergslagen, Sweden: Structure, Stratigraphy, and Ore Genesis N. F... Luleå University of Technology, 971 87 Luleå, Sweden 2 Lovisagruvan 3 Boliden 4 Department 5 Department... 711 77 Stråssa, Sweden Mineral, Exploration Department, 776 98 Garpenberg, Sweden of Geosciences,...Natural History, Box 50 007, 104 05 Stockholm, Sweden of Geological and Atmospheric Sciences, Iowa State...postvolcanic pelitic rocks. Introduction The Lovisa mine exploits one of the most important styles of base |  | | Journal (article/letter/editorial) | | of fine-grained plagioclase (> 90 vol.%) and minor biotite. Most of the plagioclase grains display mutual...individual fragments have intergrown to form plagioclase phenocrysts. The end product of this recrystallization...with granoblastic fabric. They are composed of plagioclase, K-feldspar, quartz, grossularite, groandite... clinopyroxene and calcite. The contents of plagioclase and calcsilicate minerals are highest in the...marble–skarn unit. In analogy to the Footwall Hornfels, plagioclase may be of volcanoclastic origin. K-feldspar and |  | Frank, Katherine S., Spry, Paul G., Raat, Hein, Allen, Rodney L., Jansson, Nils F., Ripa, Magnus (2019) Variability in the Geologic, Mineralogical, and Geochemical Characteristics of Base Metal Sulfide Deposits in the Stollberg Ore Field, Bergslagen District, Sweden. Economic Geology, 114 (3) 473-512 doi:10.5382/econgeo.4646 | Journal (article/letter/editorial) | | in the Stollberg Ore Field, Bergslagen District, Sweden Katherine S. Frank,1 Paul G. Spry,1,† Hein Raat... Exploration Department, Garpenberg SE-776 98, Sweden of Civil, Environmental and Natural Resources...SE-971 87, Sweden 4 Geological Survey of Sweden, P.O. Box 670, Uppsala SE-751 28, Sweden Abstract The...occurs in the Bergslagen region of south-central Sweden, a polydeformed ca. 1.9 Ga igneous province dominated...province on the Fennoscandian Shield in south-central Sweden (Fig. 1). It hosts thousands of mineral occurrences |  | | Journal (article/letter/editorial) | | in the Ammeberg Zn-Pb ore deposit, south-central Sweden: genetic implications By KJELL BILLSTROM, Stockholm*)...Natural History, Box 50007, S-104 05 Stockholm, Sweden. Manuscript received: 16. 04. 89; accepted: 28...type in the Bergslagen ore district, south-central Sweden. Recently, both of these ore types have been interpreted...in the Ammeberg Zn-Pb ore deposit, south-central Sweden: genetic implications 719 Red leptite Grey leptite...1985; HEDSTROM et al., 1989). The geology of the mine area Two discrete, closely spaced ore layers, called |  | | Journal (article/letter/editorial) | | Proterozoic MassiveSulfide Deposit at Garpenberg, Central Sweden WALDO VIVALLO Department of Geology,Universityof...informally designatedleptite formation of central Sweden,whichconsists mainlyof felsicmetavolcanics Stratigraphy...calc-alkaline affinityandiswidespreadover central Sweden and southwest Finland. Most of the volcanic marized...sedimentary rocks and ore vallo, 1984). GARPENBERG, SWEDEN: MASSIVE SULFIDE DEPOSIT 19 Rhyohtlc breccla...felsic metavolcanics, with marbles,quartz central Sweden (e.g., Lundeg•dh, 1974; Stfdh6s, gneisses,mica |  | | Journal (article/letter/editorial) | | ratio (0.76) in the central part. The mica and plagioclase contents increase towards the margins of the...The microcline gneiss is confined to the central mine area, and it has therefore been suspected to relate...tectono-stratigraphic map showingthe location of the Bleikvassli mine area (marked with an ore sign). Partly redrawn after...geochemical data. Geological setting The Bleikvassli mine area is located in RNC, which is part of the Uppermost...metamorphism (Ramberg, 1967; Brattli, 1984). The Mine Sequence, which hosts the stratiform orebody, forms |  | | Journal (article/letter/editorial) | | (Fig. 1; Table 1): Broken Hill (Australia), Zinkgruvan (Sweden), Nama qua mobile belt (Broken Hill, Black...calc-silicate rocks (Broken Hill (Australia), Zinkgruvan, Menninnie Dam (South Australia; Beeson, 1990b)...Jersey)), and the other by iron formation (Dammberget (Sweden), Boquira (Brazil), Aggeneys (South Africa), and...Gamsberg Big Syncline Broken Hill, S. Afr. Zinkgruvan Dammberget Saxberget Age (Ga) Grade and size...Hores Gneiss (Fig. 3). Mineralization occurs in the “Mine Sequence”, a package of rocks that includes metapelites |  | Weihed, Pär, Arndt, Nicholas, Billström, Kjell, Duchesne, Jean-Clair, Eilu, Pasi, Martinsson, Olof, Papunen, Heikki, Lahtinen, Raimo (2005) 8: Precambrian geodynamics and ore formation: The Fennoscandian Shield. Ore Geology Reviews, 27 (1) 273-322 doi:10.1016/j.oregeorev.2005.07.008 | Journal (article/letter/editorial) | | Luleå University of Technology, SE-971 87 Luleå, Sweden LGCA, Université Joseph Fourier, Grenoble, Maison...Natural History, Stockholm, Box 50007, SE-10405, Sweden d University of Liège Bat. B20, B-4000 Sart Tilman...large parts of Finland, NW Russia, Norway, and Sweden (Fig. 1). The oldest rocks yet found in the shield...containing abundant, complexly zoned or eroded plagioclase phenocrysts like modern calc-alkaline andesites...(Wasström, 1993), south of the Skellefte District in Sweden, and the 1.92 Ga primitive island arc rocks in |  | Jansson, N. F., Erismann, F., Lundstam, E., Allen, R. L. (2013) Evolution of the Paleoproterozoic Volcanic-Limestone-Hydrothermal Sediment Succession and Zn-Pb-Ag and Iron Oxide Deposits at Stollberg, Bergslagen Region, Sweden. Economic Geology, 108 (2) 309-335 doi:10.2113/econgeo.108.2.309 | Journal (article/letter/editorial) | | Oxide Deposits at Stollberg, Bergslagen Region, Sweden* NILS F. JANSSON,1,†,** FABIAN ERISMANN, 2,***...87 Luleå, Sweden 2 Boliden Mineral AB, Exploration Department, 776 98 Garpenberg, Sweden Abstract The...Mineral AB, Exploration Department, 936 81 Boliden, Sweden. ***Present address: Earth Resource Investment...Ställdalen (Se), Garpenberg (G), Dannemora (D), and Zinkgruvan (Z) deposits. Green dots denote Mn-rich iron...all from the database of the Geological Survey of Sweden. Inset shows simplified geologic setting of the |  | | Journal (article/letter/editorial) | | Instirutc of’ Gcology. Solrcgatan 13. S-223 62 Lund, Sweden J O C H EN H O E F S , Institufc of’Gcochcvnistry...Present address: Vieilk. Montagne, S-690 42 Zinkgruvan, Sweden Abstract. i n a polymetamorphic, felsic...magnetite; oxygen isotopes INTRODUCTION Southwestern Sweden is composed of a Proterozoic gneiss complex. The...one south of (Lane) Lake Vanern in south central Sweden. The area was glaciated during the Pleistocene...preconcentrate of quartz and plagioclase. Unknown amounts-up to a few percent-f plagioclase may remain among the |  | | Journal (article/letter/editorial) | | EVIDENCE FROM THE GARPENBERG ENCLAVE, CENTRAL SWEDEN WALDO VIVALLO Geologiska Institutionen, Stockholms...Stockholms Universitet, S-106 91 Stockholm (Sweden) DAVID RICKARD Department of Mineral Exploitation, University... evidence from the Garpenberg enclave, central Sweden. Precambrian Res., 26: 203--221. The Early Proterozoic...metavolcanic complex in the Garpenberg enclave of central Sweden displays bimodal basaltic--rhyolitic volcanism...Early Proterozoic of a key shield area in central Sweden. 0301-9268/84/$03.00 © 1984 Elsevier Science Publishers |  | | Journal (article/letter/editorial) | | com/locate/precamres The Bergslagen ore province, Sweden: Review and update of an accreted orocline, 1.9–1...9–1.8 Ga old Svecofennian orogen in south-central Sweden. Four successive phases and styles of deformation...reserved. 1. Introduction Bergslagen in central Sweden is situated in the southwestern part of the Svecofennian...(TIB) which extends for 1500 km from southeast Sweden to north Norway; it has been interpreted as a post-Svecofennian...agreement on the structural subdivision of central Sweden into different tectonic domains, based on form |  | | Book (volume) | | explain the ideas of those who have worked on it (and mine, where they differ from those readily available...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...countries: Ireland England Scotland 3 7 1 Wales Norway Sweden 1 7 17 Finland Poland USSR 12 2 30. These 80...and by the Directors of the Geological Surveys of Sweden and Norway. Stanislaw Dzujynsiki and Marie Sass-Gustkiewicz |  | | Book | | including some minerals in more than one Section (eg plagioclase feldspars may seemingly lack cleavage and often...chemical zonation in colourless minerals (e.g. plagioclase, vesuvianite) only become more apparent in cross-polarised...Phenocrysts (igneous rocks) Hornblende Biotite Quartz Plagioclase Orthoclase Sanidine Nepheline Leucite Analcite...Cordierite Muscovite Hornblende Actinolite Lawsonite Plagioclase (albite) K-feldspar Pyrite Dolomite Mineral...multiple lamellar (polysynthetic) twinning (plagioclase) in granite; St.Jacut, Brittany, France; c) cross-hatched |  | | Journal (article/letter/editorial) | | Technical University of Lule/t, $951 87, Lule/t, Sweden ABSTRACT The literature involving the practical...on the tailing band of the Kiruna iron ore mine, in Sweden, during late 88 and early 89. The results obtained...on-line analyzer includes the Outokumpu chromium mine, Kemi, Finland; Outokumpu ferro-chromium smelter...magnetic permeability. The tested materials, were from Sweden; a complex pyritic sulphide ore from Falu mines...those of the Hhkansboda ore were not. One copper ore mine in India is reported to make use of conductivity |  | Li, Yan-Jun, Wei, Jun-Hao, Ulrich, Thomas, Chen, Meng-Ting, Li, Hong-Mei, Niu, Ming-Wei, Liu, Ben (2019) Mineral chemistry of the Xiasai Ag–Pb–Zn deposit in the central Yidun Terrane, SW China: Insight into Ni–Ag–Bi mineralization and formation conditions. Ore Geology Reviews, 114. 103136 doi:10.1016/j.oregeorev.2019.103136 | Journal (article/letter/editorial) | | major phenocryst minerals are quartz (~10%), plagioclase (~10%), and K-feldspar (~15%). Anhedral quartz...quartz ranges from 1 to 12 mm. Sub-euhedral plagioclase and K-feldspar phenocrysts are up to 10 mm in length...groundmass dominantly consists of quartz (~20%), plagioclase (~20%), K-feldspar (~20%), and biotite (~5%)...constituent of mafic rocks for the Zinkgruvan stratiform Zn–Pb–Ag deposit in Sweden (Jansson et al., 2017), were...Billström, K., Malmström, L., 2017. Genesis of the Zinkgruvan stratiform Zn–Pb–Ag deposit and associated dolomite–hosted |  | | Journal (article/letter/editorial) | | granitoids in southern V~irmland, southwestern Sweden By PER-OLoFPERSSON,LARSMALMSTROM,Lund, and BENTT...62 Lund, Sweden; Present address: L. MALMSTR6M, Vieille Montagne, S-690 42 Zinkgruvan, Sweden; B. T. HANSEN...granites from the Gneiss Complex of south-western Sweden have been dated with the U-Pb and one of them also...exhaustive discussions on the evolution of south-western Sweden have been given by GOVa3ATSCHEV (1980) and LINDH...lithological/tectonic mega-units of south-western Sweden and the location of the sampled granites (stippled) |  | | 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 |  | Conn, C. Dakota, Spry, Paul G., Layton-Matthews, Dan, Voinot, Alexandre, Koenig, Alan (2019) The effects of amphibolite facies metamorphism on the trace element composition of pyrite and pyrrhotite in the Cambrian Nairne Pyrite Member, Kanmantoo Group, South Australia. Ore Geology Reviews, 114. 103128 doi:10.1016/j.oregeorev.2019.103128 | Journal (article/letter/editorial) | | lower-middle amphibolite facies, which is based on plagioclase compositions of ∼Ab60An40 in the clastic rocks...products associated with some pyrite at the Brukunga mine, while Skwarnecki et al. (2002) identified barite...the NPM (Skinner, 1958) and contain quartz, plagioclase, tremolite, phlogopite, muscovite, calcite, scapolite...of pyrite in the Nairne Pyriten Member, Brukunga mine, drill hole Nairne Pyrite 13, 205.0 m. b. Thin laminae...and 1.78% Pb in pyritic rocks from the Brukunga mine. 4.3. Mount Torrens Pb-Zn-Ag prospect The Mt. Torrens |  | | Book | | incurred in the machinery and the working of the mine. Sixthly, his learning must comprise Architecture...emerged in 1982 consists of eight sections: General Mine Design Considerations, Stopes Requiring Minimum...Financial Considerations, Foundations for Design, and Mine Ventilation. It has been nearly 20 years since the...acknowledged. includes revised sections on general mine design, mining methods, and foundations for design...Preface ix SECTION 1 SECTION 2 SECTION 3 GENERAL MINE DESIGN CONSIDERATIONS 1 CHAPTER 1 Underground Mining |  | Kampmann, Tobias C., Jansson, Nils F, Stephens, Michael B., Majka, Jarosław, Lasskogen, Jonas (2017) Systematics of Hydrothermal Alteration at the Falun Base Metal Sulfide Deposit and Implications for Ore Genesis and Exploration, Bergslagen Ore District, Fennoscandian Shield, Sweden. Economic Geology, 112 (5) 1111-1152 doi:10.5382/econgeo.2017.4504 | Journal (article/letter/editorial) | | Bergslagen Ore District, Fennoscandian Shield, Sweden* Tobias C. Kampmann,1,† Nils F. Jansson,1 Michael...Luleå, Sweden 2 Geological 3 CEMPEG, 4 Faculty Survey of Sweden, Box 670, SE-751 28 Uppsala, Sweden Department...Uppsala University, Villavägen 16, SE-752 36 Uppsala, Sweden of Geology, Geophysics and Environmental Protection...Mineral, Exploration Department, 936 81 Boliden, Sweden Abstract The Paleoproterozoic Falun Zn-Pb-Cu-(Au-Ag)...sulfide deposit in the Bergslagen ore district, Sweden, is enveloped by hydrothermally altered rocks metamorphosed |  | Bailie, R., Armstrong, R., Reid, D. (2007) The Bushmanland Group supracrustal succession, Aggeneys, Bushmanland, South Africa: Provenance, age of deposition and metamorphism. South African Journal of Geology, 110 (1) 59-86 doi:10.2113/gssajg.110.1.59 | Journal (article/letter/editorial) | | As this study uses samples from the Broken Hill Mine at Aggeneys the local stratigraphic subdivision...m thick succession subdivided at ihe Broken Hill Mine, Aggeneys (Lipson. 1990), from oldest to youngest...succession has been overturned at the Broken Hill Mine (Lipson, 1990). The ore bodies are stratabound in...METAMORPHISM AVERAGE THICKNESS AND RANGE (m) LOCAL MINE NAME GREY 84 LOCAL NAME (LIPSON, 1990) DESCRIPTION...Figure 3. Stratigraphic cokinin AI the Broken Hill Mine, Aggeneys. iXie to overturning thf units have names |  | | Journal (volume) | | and pyrite, is situated in Western Finland. The mine complex is associated with a highly metamorphic...mining geologist of the Outokumpu Company's Vihanti Mine. The scope of this paper go es far beyo nd the everyday...Latva M. Sc., then a summer assistant at the Vihanti Mine, carried out the volumetrie rock analyses by point...Sc., the present mining geologists of the Vihanti Mine, were very helpful with further discussions and.... . . . . . . . . . . . . . . . . . . . . . The mine field . . . .. . . . .......................... |
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