Essays about: "skjuvzoner"

Found 4 essays containing the word skjuvzoner.

  1. 1. An Innovative In-Tunnel Seismic Study for Sustainably Extracting Apatite Ore at the Siilinjärvi Mine, Eastern Finland

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Anna Donczew; [2019]
    Keywords : in-tunnel seismic; reflection seismic; traveltime tomography; carbonatites; shear zones; Siilinjärvi; tunnelseismik; reflektionsseismik; restidstomografi; karbonatiter; skjuvzoner; Siilinjärvi;

    Abstract : Siilinjärvi located in eastern Finland is presently the only phosphate mine with significant phosphorus production in western Europe. Phosphate rock and phosphorus are known as a critical raw material for the European Union due to their economic importance and being prone to the supply risks. READ MORE

  3. 2. Radiogenic Dating and Microstructure Analysis of Shear Zones Found Within the Seve Nappe Complex in the Åre Region, Jämtland, Scandinavian Caledonides

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Cameron Alessandrini; [2017]
    Keywords : Rb-Sr dating; Ar-Ar dating; Lower Seve Nappe; Scandinavian Caledonides; COSC drillhole.; Rb-Sr datering; Ar-Ar datering; Seveskollan; skandinaviska Kaledoniderna; vit glimmer; COSC borrkärna.;

    Abstract : The North Atlantic Caledonides are a continent-continent collision type orogeny found in WesternScandinavia, Svalbard, Greenland and the British Isles. They are thought to have formed as a result of a complex history consisting of repeated ocean opening and closure. READ MORE

  4. 3. The Birimian event in the Baoulé Mossi domain (West African Craton) : regional and global context

    University essay from Lunds universitet/Geologiska institutionen

    Author : Mikael Grenholm; [2014]
    Keywords : accretionary orogen; Atlantica; Birimian event; supercontinent cycle; Lomagundi-Jatuli event; Earth and Environmental Sciences;

    Abstract : The crystalline basement of the West African Craton (WAC) was established during the Siderian to Orosirian (circa 2.35-1.95 Ga) Birimian event through accretion of extensive tracts of juvenile crust that was tectonically juxtaposed with Archean cratons. READ MORE

  5. 4. Structural control of fine-grained granite dykes at the Äspö Hard Rock Laboratory, north of Oskarshamn, Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Sara Jonsson; [2004]
    Keywords : geography; geology; Sweden; Oskarshamn; Äspö Hard Rock Laboratory; fine-grained granite dykes; structural control; Earth and Environmental Sciences;

    Abstract : Förekomsten av finkorniga granitgångar är ett potentiellt problem vid lagring av kärnbränsle i berggrunden. Det är därför viktigt att studera och karaktärisera dessa gångar. Huvudsyftet med detta examensarbete är att undersöka om de finkorniga granitgångarna är strukturellt kontrollerade i tunneln vid Äspölaboratoriet. READ MORE