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Showing result 1 - 5 of 7 essays matching the above criteria.

  1. 1. Characterization of the cobalt content in zinc ore from Zinkgruvan, Sweden

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Ingeborg Hjorth; [2022]
    Keywords : Zinkgruvan; Bergslagen; Cobalt; Sphalerite; Pyrrhotite; Safflorite;

    Abstract : Zinkgruvan is a stratiform Zn-Pb-Ag deposit located in the Bergslagen ore district in south central Sweden. Elevated concentrations of cobalt have been detected in zinc ore from the mine. READ MORE

  3. 2. Genetic relationships and origin of the Ädelfors gold deposits in Southeastern Sweden

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Tobias Wiberg Steen; [2018]
    Keywords : Ädelfors; sulfur isotope ratio; pyrite chemistry; orogenic gold; gold; gold quartz vein; trace elements; gold mine; banded iron formation; SEM-EDS analysis; gold silver ratio; Ädelfors; svavelisotoper; pyritkemi; orogent guld; guldrik kvartsåder; guld; guldfyndighet; spårelement; bandad järnmalm; SEM-EDS analys; guld silver förhållande;

    Abstract : Ädelfors is situated ca 17 km east of Vetlanda, Jönköping County, in the N-S striking Trans-scandinavian igneous belt and is a part of the NE-SW striking 1.83-1.82 Ga Oskarshamn-Jönköping belt emplaced during a continental subduction towards the Svecofennian continental margin. The continental arc hosts the 1. READ MORE

  4. 3. Leaching of Pyrrhotite from Nickel Concentrate

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Filip Abrahamsson; [2017]
    Keywords : Leaching; Pyrrhotite; Nickel Concentrate; Pentlandite; H2SO4; sulfuric acid; non-oxidative; acid leaching; Lakning; Magnetkis; Nickelkoncentrat; Pentlandit; H2SO4; svavelsyra; icke-oxidativ; syralakning;

    Abstract : Non-oxidative acid leaching of pyrrhotite from Kevitsa’s Ni-concentrate and methods to recover by-products, have been investigated. Selective dissolution of pyrrhotite (Fe1-xS, 0<x<0.25) can enrich the content of the valuable metals, such as Ni and Co, in the final concentrate and will reduce the amount of Fe and S sent to the smelters. READ MORE

  5. 4. Deformation, metamorphism and remobilisation in the Hornkullen polymetallic deposit, western Bergslagen, Sweden

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Stefan Andersson; [2014]
    Keywords : ore genesis; Bergslagen; deformation; remobilisation; metamorphism; geothermobarometry; malmbildning; Bergslagen; deformation; ommobilisering; metamorfos; geotermobarometri;

    Abstract : The polymetallic Hornkullen deposit is situated in the western part of the Bergslagen ore province, Sweden. It is hosted by an inlier of approximately 1.90-1.88 Ga Svecofennian volcanic and sedimentary metasupracrustal rocks enclosed in a significantly younger, c. READ MORE

  6. 5. The alteration mineralogy of Svartliden, Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Lawrence Nilsson; [2013]
    Keywords : Svartliden; alteration mineralogy; Fäboliden; amphibolite and granulite facies; Dragon Mining Sweden; Earth and Environmental Sciences;

    Abstract : The alteration mineralogy of Svartliden, Sweden Svartliden mine is an open pit in northern Sweden close to the Skellefte field in the “Gold Line”, which is a zone associated with gold mineralization. Svartliden gold mine was discovered by amateur geologists who were prospecting after boulders that contained low sulphide contented. READ MORE