 | | Journal (article/letter/editorial) | | origin of skarn beds, Ryllshyttan Zn–Pb–Ag + magnetite deposit, Bergslagen, Sweden Nils F. Jansson & Rodney...Palaeoproterozoic Bergslagen mining district of central Sweden. They are referred to as “skarn-banded leptites”...stratigraphic hanging wall of the stratabound Ryllshyttan Zn–Pb–Ag + magnetite deposit at Garpenberg, contains...variable and dominantly composed of grandite, spessartine, epidote, actinolite, quartz, clinopyroxene,... Luleå University of Technology, 971 87 Luleå, Sweden e-mail: niljan@LTU.SE R. L. Allen Boliden Mineral |  | | Journal (article/letter/editorial) | | Smältarmossen calcic iron skarn deposit, Bergslagen, Sweden Nils F. Jansson & Rodney L. Allen Received: 3...the Palaeoproterozoic Bergslagen region, southern Sweden. During the last 100 years, the latter deposit...Luleå University of Technology, SE-971 81 Luleå, Sweden e-mail: nils.jansson@boliden.com R. L. Allen Boliden...SE-776 98 Garpenberg, Sweden Keywords Smältarmossen . Garpenberg . Bergslagen . Sweden . Magnetite . Skarn...Introduction The Bergslagen region of southern Sweden is an intensely mineralized Palaeoproterozoic felsic |  | 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 |  | 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 |  | 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...mineralization in the Bergslagen mining district of southern Sweden, consisting of stratiform Zn-Pb ± Ag sulfides interbedded |  | | 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 |  | 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...all from the database of the Geological Survey of Sweden. Inset shows simplified geologic setting of the...Zn-Pb-Ag AND IRON OXIDE DEPOSITS AT STOLLBERG, SWEDEN The most common mineral deposits are metamorphosed |  | 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) | | pipes as well as rhodochrosite, rhodonite, and spessartine in altered igneous rocks suggest environments...Laisvall deposit east of the Caledonian fold belt in Sweden (Rickard and others, 1979). Exploration Guides...geologic map of the Silver City Mining region, Grant County, New Mexico: U.S. Geological Survey Geophysical...genesis of the Laisvail sandstone lead-zinc deposits, Sweden: Economic Geology, v. 74, p. 1255-1285. Sillitoe...Granite-rhyolite with >75 percent Si0 2 content. with spessartine garnets on periphery of system. Textures Age |  | | Report (volume) | | Diopside-hedenbergite + grossular-andradite. Late stage spessartine + almandine. Outer barren wollastonite zone....propylitic zones. Halo of rhodochrosite, rhodonite, spessartine garnet. Minor greisen veins below ore body. Ore...Alteration Mn-hedenbergite ± andradite ± grossular ± spessartine ± bustamite ± rhodonite. stage Mn-actinolite...Hundere Nyseter Parroquio-Magistral Rajabasa Ryllshyttan Sala Saxberget SWDN USNM SWDN CNBC CNNS CNYT...metamorphism and mineralization. EXAMPLES Gila County, USAZ, Cuddappah district, INDA southwestern USMT |  | | Conference Proceedings (Volume) | | Biennial SGA Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world...Biennial SGA Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world...Meeting was organised by the Geological Survey of Sweden with assistance from Uppsala University, Stockholm...Biennial SGA Meeting, 12–15 August 2013, Uppsala, Sweden. ISBN 978-91-7403-207-9. 1882 pp. Suggested citation...Biennial SGA Meeting, 12–15 August 2013, Uppsala, Sweden, ISBN 978-91-7403-207-9, 1450–1452. This publication |  | | Book | | differentiation: "the nickel ore at Lainijaur in northern Sweden is associated with the contact between the gabbro...sulphide deposits in the Precambrian of central 119 Sweden as having been formed by an exhalative sedimentary...argued that in the sulphide province of central Sweden the sulphide mineralization took place during the...Pennsylvanian-Permian sediments in the Santa Cruz County, Arizona. Hypogene ores encountered at depths below...sulphide-bearing skarn iron ore of Sahavaara, northern Sweden, as forming a tabular body concordantly enclosed |
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