 | | Report (chapter) | | syn-orogenic magmatism and sedimentation in the Ljusdal lithotectonic unit, Svecokarelian orogen KARIN...Earth Sciences, Uppsala University, 752 36 Uppsala, Sweden 2 Department of Geology and Mineralogy, Åbo Akademi...Finland 3 Geological Survey of Sweden, Box 670, 751 28 Uppsala, Sweden KH, 0000-0001-5581-3613 *Correspondence:...dextral transpressive deformation separate the Ljusdal lithotectonic unit from the neighbouring units...granodioritic batholith with rather high εNd values (the Ljusdal batholith) occurred along this active margin at |  | | 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...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 (article/letter/editorial) | | Fluid Inclusion Characteristics of Auriferous Quartz Veins in Archean and Paleoproterozoic Greenstone...Finland Abstract Fluid inclusions in auriferous quartz veins in five deposits in the Archean (2.9–2.7...the Paleoproterozoic. In the Archean Au ± sulfide quartz veins, the mineralizing fluids contain less CH4...corresponding fluids in the Paleoproterozoic Au-sulfide-quartz veins (up to 38 mol % CH4 and below 13 wt % NaCl...for the Archean and Paleoproterozoic auriferous quartz veins show different characteristics and permit |  | | Journal (article/letter/editorial) | | sub-vertical zoning with a pyrophyllite and vuggy-quartz core, that today extends about 350 m east–west...temporally overlapping events of silicification, bladed-quartz-pyrite veining, brecciation and pyrite veining... Au–Cu mineralisation was associated with late quartz-pyrite-barite veins, and the highest gold grades...grades occur mainly in microcrystalline-quartz-altered rocks in the paragonite+muscovite alteration zone...from the boundary of the pyrophyllite and vuggy-quartz core. Sulfur- and leadisotope data, and the characteristic |  | | Journal (article/letter/editorial) | | Arizona 85721 Abstract The world’s largest kyanite mine is hosted within kyanite quartzite at Willis Mountain...through Ho). Reconnaissance oxygen isotope data on quartz separates show a range in δ18O values from 3.5...alteration system, resulting in protoliths dominated by quartz and kaolinite. Such an interpretation is consistent...only active kyanite mine in the United States is at Willis Mountain in Buckingham County (Fig. 1). Jonas...as well as reconnaissance oxygen isotope data on quartz from selected occurrences. A peculiar feature of |  | | Journal (article/letter/editorial) | | Natural History, Box 50007, SE-104 05 Stockholm, Sweden 3 NunaMinerals A/S, Postboks 790, 3900 Nuuk, Greenland...mineralization includes acid leaching revealed by quartz-alumina rocks with very high rare earth element...diverse REE distributions and abundant inclusions of quartz and biotite, and homogeneous metamorphic, 2.995...predominates (Fig. 3A, B) together with fine-grained quartz-plagioclase-biotite ± hornblende schists of presumed...The rusty-weathered corridor mostly consists of quartz-, biotite-, and garnet-rich rocks ± cordierite |  | | Journal (article/letter/editorial) | | Boliden deposit in the Skellefte district of northern Sweden (Bergman Weihed et al., 1996). In Finland, there...situation was reflected in the special issue of Mine Genetic type Major undeveloped deposit Economic...Metamorphism and nappe emplacement in southern Sweden, rapakivi granites, and extension elsewhere9,10...present. Paleoplacer gold deposits are hosted by quartz-pebble conglomerates of the uppermost Kumpu Formation...particularly in the Skellefte district of northern Sweden (Weihed, 1992). In the Svecofennian domain, there |  | | Report (issue) | | aa, 16H7 . t Oretlt. ft /Mm# »f.i Falu copper mine has been continuously mined for more than 900 years...traditions in Scandinavia and Finland. In Bergslagen, Sweden, numerous mines produced Cu, Fe and Ag already...copper was mined from 1644 until recently. The first mine in Finland was the Ojamo iron ore deposit, which...of the most important of these occur in northern Sweden such as the Kiruna iron ores, the sulphide ores...Skellefte district, the Laisvall Pb-mine and the Aitik Cu-Au mine. The sulphide ores in the Outokumpu |  | Harris, A. C., White, N. C., McPhie, J., Bull, S. W., Line, M. A., Skrzeczynski, R., Mernagh, T. P., Tosdal, R. M. (2009) Early Archean Hot Springs above Epithermal Veins, North Pole, Western Australia: New Insights from Fluid Inclusion Microanalysis. Economic Geology, 104 (6) 793-814 doi:10.2113/gsecongeo.104.6.793 | Journal (article/letter/editorial) | | bedding-conformable and discordant laminar quartz, chalcedony, and barite. Barite-rich quartz hydrothermal veins with similar...discordant laminar quartz veins exhibit textures and associated hydrothermal alteration (quartz-chalcedony-chlorite-illite...depositing both the discordant and conformable quartz-chalcedony-barite as it passed through the upper...stromatolites in the North Pole Dome occur adjacent to quartz-chalcedony bands formed from cool (120°C), low-salinity...are closely associated with layers of barite and quartz, some of which have been regarded as sedimentary |  | | Journal (article/letter/editorial) | | anticlinal fold, where the Au is mainly confined to late quartz veins (Østergaard and van Gool, 2007). The latter...and fine to medium grained, and comprises biotite, quartz, plagioclase, sillimanite and minor garnet. The...and stringers of quartz are common and interpreted as relict premetamorphic quartz veins. Migmatitic...biotite and commonly sillimanite, and is generally quartz-poor. c–d. Pods of relict amphibolite in altered...fold in panel d. Loc. 80. e–f. Metagreywacke with quartz veins and partial melt veins. Loc. 80. g. Finely |  | | Journal (article/letter/editorial) | | his suite of compositional data from Tunaberg, Sweden, supported the idea of a single solid-solution...documentation of BixTey compounds in Tunaberg, Sweden, and the earlier work of Cabri & Laflamme (1976)...small Au–Ag–Cu–Te–Se deposit of Glava, Värmland, Sweden (Oen & Kieft 1984), in which it is the most common...the Glava Au–Ag–Cu–Te–Se deposit, southcentral Sweden. Tbs: tellurobismuthite, Hs: hessite, Pz: petzite...native bismuth (Bi) and galena (Gn) from the Clogau mine, Dolgellau gold belt, North Wales, U.K. [Section |  | | Journal (article/letter/editorial) | | SIMS U–Pb zircon ages of aluminous gneisses, SW Sweden Jan Ulmius a,∗ , Jenny Andersson b , Charlotte...SE-223 62 Lund, Sweden Geological Survey of Sweden, Box 670, SE-751 28 Uppsala, Sweden a r t i c l e...SIMS U–Pb zircon ages of aluminous gneisses, SW Sweden. Precambrian Res. (2015), http://dx.doi.org/10...Fennoscandian map database, and Geological Survey of Sweden 1:1 M Bedrock map database. Outline of the Oslo...SIMS U–Pb zircon ages of aluminous gneisses, SW Sweden. Precambrian Res. (2015), http://dx.doi.org/10 |  | | Book | | GeoBiosphere Science Centre, Lund University, Lund, Sweden P. Eilu Geological Survey of Finland, Espoo, Finland...Kuopio, Finland P. Heino Yara Suomi Oy, Siilinjärvi Mine, Siilinjärvi, Finland R.J. Herrington The Natural...US T. Huhtelin QP-FRB Outokumpu Ferrochrome Kemi Mine, Kemi, Finland E. Hyvönen Geological Survey of Finland...Survey of Finland, Rovaniemi, Finland, Mustavaara Mine Ltd, Oulu, Finland J. Kinnunen Mawson Resources...Oulu, Finland Contributors T. Mäki Pyhäsalmi Mine Oy, Pyhäsalmi, Finland H.V. Makkonen Geological |
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