Sökning: "Petrology"

Visar resultat 1 - 5 av 18 uppsatser innehållade ordet Petrology.

  1. 1. Magmatic processes and storage beneath Heard Island, southern Indian Ocean

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Liu Chun Wei; [2023]
    Nyckelord :Heard Island; Clinopyroxene; Thermobarometry; Magma storage depth;

    Sammanfattning : A young marine island called Heard Island is located in the southern Kerguelen Plateau in the Indian Ocean, a large igneous province created by the Kerguelen mantle plume. The two major geographic regions on Heard Island have two principal volcano-magmatic suites. LÄS MER

  3. 2. Feasibility of Enhanced Geothermal Systems in the Precambrian crystalline basement in SW Scania, Sweden

    Master-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Hanna Kervall; [2021]
    Nyckelord :EGS; deep drilling; geothermal; petrology; petrophysical properties; Sveconorwegian; Earth and Environmental Sciences;

    Sammanfattning : The ability to evaluate the geothermal potential at a depth of five to six kilometres in the crystalline bedrock is crucial for the EGS-technology to be utilized in the future. This work focuses primarily on presenting expected geological conditions at great depths in southwestern Scania. The study is based on information from E. LÄS MER

  4. 3. Mineralogy and petrology of a drill core section from Borg, SW Norrköping – fracture fillings and tentative mineral reactions

    Kandidat-uppsats, Stockholms universitet/Institutionen för geologiska vetenskaper

    Författare :Ting-Fung Chong; [2019]
    Nyckelord :Swedish Transport Administration; mineral reactions; diabas; dolerite; mafic rock; xrd; xrf; Trafikverket; Norrköping; Ostlänken; Bergslagen;

    Sammanfattning : During drilling at Borg, ca. 5 km southwest of central Norrköping, an unidentified fine-grained grey rock was encountered in contact with dark red granitic gneiss at 35m depth. The fine-grained grey rock occurs above the red granitic gneiss. LÄS MER

  5. 4. Petrology of platinum-group element mineralization in the Koillismaa intrusion, Finland

    Master-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Jon Gustafsson; [2019]
    Nyckelord :Platinum-group mineralization; Koillismaa-Näränkävaara Complex; platinum-group minerals; sulfur isotopes; Finland; Earth and Environmental Sciences;

    Sammanfattning : The 2.44 Ga Koillismaa intrusion of the Koillismaa-Näränkävaara Layered Complex, in northeastern Finland, has been studied in order to assess the formation processes involved during platinum-group element (PGE) mineralization. LÄS MER

  7. 5. Garnet amphibolite in the internal Eastern Segment, Sveconorwegian Province : monitors of metamorphic recrystallization at high temperature and pressure during Sveconorwegian orogeny

    Master-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Tove Hernnäs; [2018]
    Nyckelord :Sveconorwegian; metamorphic petrology; mapping; coronitic metagabbro; microtextures; Eastern Segment; Earth and Environmental Sciences;

    Sammanfattning : The analyzed area exposes a deep underthrusting lower plate of the Sveconorwegian orogen and facilitates studying of an elsewhere hidden portion of the Earth. Petrographic and structural studies of different metamorphic rock types within the southern Eastern Segment, Sveconorwegian Province, Sweden, were carried out to better understand the regional metamorphism and deformation history. LÄS MER