 | | Journal (article/letter/editorial) | | Depositin High-GradeMetamorphic Terrane, Saxberget,Central Sweden* WALDO VIVALLO Departmentof Geology...Geology,StockholmUniversity,106 91 Stockholm,Sweden AND DAVID I•ICKARD Departmentof Geology,Universityof Wales...Wales,Cardiff CF1 3YE, Wales Abstract The Saxberget strata-bound Zn-Pb-Cusulfidedepositof earlyProterozoic...atesa shallow-watersubmarineenvironmentfor this ore-bearing sequence.Geochemically the presentcomposition...deposition. The Zn-Pb-Cusulfidemineralization at Saxberget ismainlyboundedto a calc-silicate horizon whi |  | | Journal (article/letter/editorial) | | quartz associated with mineralization, Sweden STEN LINDBLOM Ore Research Group, Department of Geology...Geology, University of Stockholm, S-t06 91 Stockholm, Sweden ANDREW H. RANKIN a n d MICHAEL THOMPSON* Royal...Abstract--Fluid inclusions in quartz from seven ore districts in Sweden have been analyzed by the decrepitation-ICP...interpretable information about fluids involved in ore deposition and subsequent metamorphism. The K/Na...MICROTHERMOMETRYof fluid inclusions has become a routine tool in ore deposit studies and exploration programs. It gives |  | | Journal (article/letter/editorial) | | Ore Geology Reviews 130 (2021) 103935 Contents lists available at ScienceDirect Ore Geology Reviews...constitute some of the largest and highest grade ore deposits in the world. The Broken Hill deposit, Australia...All rights reserved. P.G. Spry and G.S. Teale Ore Geology Reviews 130 (2021) 103935 class of deposit...Table 1): Broken Hill (Australia), Zinkgruvan (Sweden), Nama qua mobile belt (Broken Hill, Black Mountain...Jersey)), and the other by iron formation (Dammberget (Sweden), Boquira (Brazil), Aggeneys (South Africa), and |  | | Journal (article/letter/editorial) | | August 2012 Chondrodite TILLY FOSTER MINE, BREWSTER AREA PUTNAM COUNTY, NEW YORK F ew minerals are commonly...chondrodite specimens from the Tilly Foster iron mine, Putnam County, New York, can be seen in many American and...grossular, forsterite, monticellite, diopside, calcite, and wollastonite. There are many scattered occurrences...limestone at Coles Brook in Middlefield, Hampshire County, Massachusetts. It is also known from the Bolton...Bolton or Whitcomb quarry at Bolton, Worcester County, where it occurs in densely packed, yellowbrown, rounded |  | | Report (issue) | | 2 67.48 Total 99.92 99.9 100.00 (1) Hudson Bay mine, Cobalt, Canada; in part due to nickeline. (2) St...Occurrence: Nickeline group. In hydrothermal calcite veins associated with Co–Ni–Ag ores. Association:...pyrrhotite, cubanite, chalcopyrite, sphalerite, galena, calcite. Distribution: In Germany, from St. Andreasberg...Andreasberg, Harz Mountains [TL??], and in the Merkur mine, Bad Ems, Rhineland-Palatinate. In France, at Ar, P... Sardinia, Italy. From Tunaberg, Saxberget, and Långsjön, Sweden. At Sulitjelma, Norway. From the Ilı́maussaq |  | | Journal (article/letter/editorial) | | Technical University of Lule/t, $951 87, Lule/t, Sweden ABSTRACT The literature involving the practical...control dilution that occurs at the boundaries of the ore deposits which might lead to difficult mining techniques...radioactive minerals would not be possible. Goode [4] of Ore Sorter's Ltd. describes a radiometric sorter, model...Saskatchewan, radiometric ore sorting was tested as early as 1962 to treat the +75mm ore [6]. This unit could...generation of high energy electrons in an electrical field is possible only if very high voltages are used |  | | 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...province is commonly referred to as the Bergslagen ore (or mining) district. Mining probably began before |  | | Journal (article/letter/editorial) | | Falun mine, for centuriesthe world's leading copperproducerand still an importantpyrite mine,andalsothezincdeposits...leptite formation,which also harborsthe numerousiron ore depositsof this region. Referring for more detailsto...iron ore types,4 I will here repeat only the fundamentalfeaturesof the generalgeologyof the ore-bearingcountry...these countries. 2 Geologist, Geological Survey of Sweden, Stockholm. a Dr. Eskola's report, "Petrology of...Finland. The author's report on the geology and ore deposits of the Falun district is published in Swedish |  | | Journal (article/letter/editorial) | | Economic Geology Vol. 61, 1966, lOlO.1191-1204 ORE LEAD ISOTOPES AND OF THE BRITISH ISLES SCANDINAVIA...isotopiccomposition of lead ores in the British Isles, Sweden,Norway and Finland are comparedand analyzed. British...Precambrianand Phanerozoiclead ores are plentiful in Sweden. Since Paleozoic rocks exist only as thin, unm...Precambrianof Finland containsboth types,as in Sweden. Norwegian leads occur mainly in pyritie ores interlayered...Minor Precambrianoccurrencesof the types present in Sweden are known. It is concludedthat British leads typify |  | | Journal (article/letter/editorial) | | Economic Geology, Lulel University, S-951 87 LuleB,Sweden (Received April 1, 1992; accepted in revised form...levels of crust under extension, where the stress field causes fracturing and crustal thinning yields steepened...predominantly involved addition of magmatic rocks. In Sweden, U-Pb zircon dating yields ages mainly ranging...at ca I .80- 1.77 ( SKIOLD, 1988). In northern Sweden, 1.90-I .85 Ga old granitoids have distinctly negative...Svecofennian granitoids farther south (central Sweden and southern Finland) have positive or close to |  | | Journal (article/letter/editorial) | | temperature and ligand activities than Cd/Zn ratio of the ore-forming fluids. In the hydrothermal environment,...Bonus payments for the cad mium content of zinc ore concentrates may belong to the past. Smelters tend...is the third in a series on polluting elements in ore depos its (Schwartz, 1995, 1997). The findings presented...cadmium to be concentrated together with zinc in ore deposits. C a d m i u m - B e a r i n g Minerals...Fig. 1). The major types of deposits in terms of ore production and resources arewell represented (Franklin |  | | Journal (issue) | | least partial restoration in J anuary. The Mt. Isa mine slo\\·do\vn and smeller s hutdo,vn s till block...announced. Buyers s till a,,·a1 t a plum0l. Tungs ten Ore: London jun,ped anoth<>r 7 1 2s to 162 1i 167 12s...copper mine in South Africa may be the outcome of studies no\v under way. The 80,000 tpy mine, backed...Gold Mines. Assays shO\V 1.11<·~ nickel ,vith an ore value running from $20 to $90 per ton. Early reports...another property, a copper- zinclead-silver-gold mine in Ontario, through its proposed merger \vith Geco |  | Allen, Rodney L., Lundstrom, Ingmar, Ripa, Magnus, Christofferson, Hans (1996) Facies analysis of a 1.9 Ga, continental margin, back-arc, felsic caldera province with diverse Zn-Pb-Ag-(Cu-Au) sulfide and Fe oxide deposits, Bergslagen region, Sweden. Economic Geology, 91 (6) 979-1008 doi:10.2113/gsecongeo.91.6.979 | Journal (article/letter/editorial) | | SulfideandFe OxideDeposits, Bergslagen Region,Sweden RODNEY L. ALLEN, Volcanic Resources Ltd.,Morteveien...MAGNUS RIPA, Geological Surveyof Sweden, P.O.Box670,S-75128 Uppsala, Sweden ASSEN SIMEONOV*, Amineberg Mining...S-69681 Zinkgruvan, Sweden AND HANS CHRISTOFFERSON Boliden AB, S-77698 Garpenberg, Sweden Abstract The Bergslagen...Bergslagen miningdistrictin south-central Sweden hasbeena majormetalproducer for morethan 1,000years...associated metalimestones and skarns. Thisstudyisa field-oriented, regional facies analysis based onrecognition |  | | Journal (article/letter/editorial) | | Springer-Verlag 1994 The En isen gold deposit, central Sweden 1. A palaeoproterozoic high-sulphidation epithermal...Uppsala University,Norbyv~igen18B, S-752 36, Uppsala, Sweden Received: 22 September 1993/ Accepted: 16 December...rocks within the Enstern-En~sen region, central Sweden. Mineralization consists of disseminated chalcopyrite...Palaeoproterozoic En~sen gold deposit in central Sweden (Fig. 1) is unique in view of the remarkable *Present...Survey of Sweden, Mineral Resources Information Office, Skolgatan 4, S-930 70 Mal~., Sweden quartz-sillimanite |  | | Book | | ..... Osthammar .........121 NO ........ 111 Dalarna 082 083 084 OBS 086 087 088 089 090 091 092 093................................................ ludvika ............12F S V .. ... ... 112 Der Kalksteinbruch.................................................Ludvika ............12F SV ........ 113 Die Erzgruben von...Tvistbo)....................................... ludvika,Smedjebacken 12F NV ........ 115 Erzgruben bei...Vastmanland, das i:istliche Varmland und das siidliche Dalarna einschlieBt, hatte Tornebohm unter .. M ittel |  | Kampmann, Tobias C., Jansson, Nils F., Stephens, Michael B., Olin, Paul H., Gilbert, Sarah, Wanhainen, Christina (2018) Syn-tectonic sulphide remobilization and trace element redistribution at the Falun pyritic Zn-Pb-Cu-(Au-Ag) sulphide deposit, Bergslagen, Sweden. Ore Geology Reviews, 96. 48-71 doi:10.1016/j.oregeorev.2018.04.010 | Journal (article/letter/editorial) | | Ore Geology Reviews 96 (2018) 48–71 Contents lists available at ScienceDirect Ore Geology Reviews journal...Zn-Pb-Cu-(Au-Ag) sulphide deposit, Bergslagen, Sweden T ⁎ Tobias C. Kampmanna, , Nils F. Janssona...Luleå University of Technology, SE-971 87 Luleå, Sweden CODES ARC Centre of Excellence and TMVC ARC Research...facies conditions, which led to the development of ore textures and paragenetic relationships indicating...metamorphism can significantly change the configuration of ore minerals and metals in base metal sulphide deposits |  | | Journal (article/letter/editorial) | | implications for exploration in a 1.9 Ga ore district, Fennoscandian Shield, Sweden Tobias C. Kampmann 1 & Michael...deposit, situated in the Palaeoproterozoic Bergslagen ore district in the southwestern part of the Fennoscandian...andalusite and chlorite in silicate-rich altered rock, calcite or dolomite in marble and tremolite-actinolite...SE-971 87 Luleå, Sweden 2 Geological Survey of Sweden, Box 670, SE-751 28 Uppsala, Sweden association...folding Introduction The Bergslagen ore district in south-central Sweden (Fig. 1a) is host to a large number |  | | Journal (article/letter/editorial) | | eruptives of Ordovician age at Sulitjelma in Nordland County, Norway, form one of the important fields of sulphide...deposits to the north of Langvatn in the northern field (Fig. 1) show elongation in a N W - S E direction...tectonic stresses. The structual evolution of the field enclosing the deposits has been largely determined...different behaviour of these rocks during deformation. Field and underground mapping of the sulphide bodies shows...bulk strain involved, and also to variations in ore grades which reflect the contrast in ductility between |  | | Journal (article/letter/editorial) | | oregeorev.2015.12.017 OREGEO 1711 To appear in: Ore Geology Reviews Received date: Revised date: Accepted...as a function of deposit type — A meta-analysis, Ore Geology Reviews (2016), doi: 10.1016/j.oregeorev...individual deposits. Particularly, the Cu activity in ore-forming systems RI appears to have a strong influence...cited as being related NU SC to the temperature of ore formation, while a statistical analysis as well as...results in extensive recrystallisation of the ductile ore minerals, including sphalerite (Clark and Kelly, |  | | Journal (article/letter/editorial) | | Vieille-Montagne,The SwedishSection,S-69042 Zinkgruvan,Sweden Abstract The Zinkgruvanstratiform,massiveZn-Pb...south-centralSweden.This lower Proterozoic, 1.9-Ga ore provincehostsmassive Zn-Pb-Cu-Agsulfideores and ...mineralizationoccurs100 m stratigraphically above the Zn-Pb ore zone.The Zinkgruvanore deposithasa distinctivestratification...crudeZn-Pb-Agore. In the central part of the mine the ore zone is underlainby a substratiformCu stringer...The natureof the metasediments suggests that the ore formationtookplacein a subsiding marine basinat the |  | | Journal (article/letter/editorial) | | U.S.A. ‘Ore Research Group, Stockholm University, Department of Geology, Stockholm, Sweden ‘Department...inclusions in quartz and calcite of the Proterozoic Stripa granite, central Sweden. demonstrate that the...radioactive waste. The field site is the Stripa granite, located in central Sweden. Information on site...quartz In the v’cin fillings. quartz, and “massive” calcite (see CLALJER (*I tri 1989)VAT investigated because...calculated. The volume estimate of inclusions in vein calcite has been con,putcd in a diff‘rrent manner than |  | | Journal (article/letter/editorial) | | muscovite-epidote-chlorite, depending on the salinityandpH of the ore fluid,andthe presence or absence of boilingsolutions...distalportionsare hematitedominated andvariablypyritic. Ore formation isattributedto precipitation fromtheox...decomplexes, andto accountfor the ore mineralassemblages, the ore fluidsmusthavehada T = 260ø to 380øC...Thisis attributedto the verylow H2Scontentof the ore fluidandwatercolumn,whichpermits precipitation ofCu...compopredictivework,to supportthe notionthat oxidized ore fluidswhichwere exhaledontothe seafloorproduceda |  | | Book | | museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...major journals and geological maps? Go into the field only when you know where to go and what to look...differences are of little concern to the general field worker and for that reason will not be discussed...the igneous rocks which are recognizable in the field is the natural glass obsidian. This forms an amorphous...organic origin; the most prominent example is CaC03, calcite. The triangular C03 group gives threefold symmetry |  | | Book | | THE ORE MINERALS AND THEIR INTERGROWTHS by DR. PAUL RAMDOHR Heidelberg English translation of the 3rd...pleased about the growing interest in my special field of study. I t was my idea to start the work for...over-occupied sites on the other hand are higher also in ore minerals t h a n thought until now. Both of these...very easily and clearly be distinguished under the ore-microscope, can practically be identical in regard...were collected by the writer himself during his field trips and journeys. The Locality Index has again |  | 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) | | domains; explanation for Plates 1 and 2 Appendix A: Ore deposit models Dennis P. Cox, editor (86 pages) ...Cordilleran terranes by applying advanced concepts in ore deposit modeling as well as new exploration techniques...recommendations. Two appendices provide compilations of ore deposit models and grade-tonnage models, and are...report includes two appendices: (A) a compendium of ore deposit models, and (B) a compendium of grade/tonnage...mapping Because probability of success in finding ore deposits is strongly dependent on the level of detail |
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