Sökning: "Uraninite"

Hittade 3 uppsatser innehållade ordet Uraninite.

  1. 1. Uranium Mineralizations at Kiirunavaara,Northernmost Sweden

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Diego Segovia Menard; [2022]
    Nyckelord :kiirunavaara; uranium; EPMA; water; hydrothermal;

    Sammanfattning : In recent years, a variably high amount of uranium (U) and radon (Rn) were found in the water and airof the Kiirunavaara mine in Kiruna, northern Sweden. The Swedish Agency for Marine and WaterManagement (Havs och vattenmyndigheten) has maximum limits for “special polluting substances” inwater that is released to natural recipients (HVMFS 2019:25), therefore, the mining company LKAB,owner and operator of the Kiirunavaara mine, decided to conduct a study to investigate the issueregarding these findings, triggering this master thesis. LÄS MER

  3. 2. REE mineralisation and metasomatic alteration in the Olserum metasediments

    Master-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Wayne Fullerton; [2014]
    Nyckelord :metasediment; metasomatism; mineralisation; monazite; Olserum; REE; xenotime; Earth and Environmental Sciences;

    Sammanfattning : The Olserum mineralisation is situated in the metasediments of the Västervik formation, which repre-sents the southernmost continental margin of the Svecokarelian Domain. After deposition between 1.88 – 1.85 Ga these sediments were subsided to a depth of about 10 km and intruded by a series of granitoid melts. LÄS MER

  4. 3. Effects of uranium mining on groundwater - Geochemical modeling of aqueous uranium speciation due to changing redox conditions.

    Master-uppsats, KTH/Mark- och vattenteknik

    Författare :Adrian Gronowski; [2013]
    Nyckelord :Uranium mining; Uranium speciation; Uraninite; Uranium groundwater transport; Visual Minteq;

    Sammanfattning : As a consequence of rising uranium prices an interest in Sweden’s U deposits has emerged. This raises the important question of the possible environmental impacts of U mining operations. One of the most significant and serious issues is the contamination of groundwater by U following mining activities. LÄS MER