Essays about: "granitic gneiss"

Showing result 1 - 5 of 7 essays containing the words granitic gneiss.

  1. 1. Metamorphic microtextures and mineral assemblages in orthogneisses in NW Skåne – how do they correlate with technical properties?

    University essay from Lunds universitet/Geologiska institutionen

    Author : Maria Eleni Taxopoulou; [2020]
    Keywords : granitic gneiss; Eastern Segment; Söderåsen; rock quality; quantitative analyses; grain size; aspect ratio; circularity; mineralogy; Earth and Environmental Sciences;

    Abstract : Glacifluviala avlagringar har varit de vanligaste källorna för byggmaterial i Sverige under de senaste decennierna. De är dock ändliga resurser som måste bevaras eftersom de också fungerar som akvifärer. READ MORE

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

    University essay from Stockholms universitet/Institutionen för geologiska vetenskaper

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

    Abstract : 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. READ MORE

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

    University essay from Lunds universitet/Geologiska institutionen

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

    Abstract : 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. READ MORE

  5. 4. Amphibolites, structures and metamorphism on Flekkerøy, south Norway

    University essay from Lunds universitet/Geologiska institutionen

    Author : Ina Vang; [2011]
    Keywords : amphibolite; structures; metamorphism; bedrock; Flekkerøy; southern Norway; Kristiansand; amfibolit; strukturer; metamorfos; berggrund; södra Norge; Earth and Environmental Sciences;

    Abstract : The island of Flekkerøy outside Kristiansand, southern Norway, consists of meta-greywacke, amphibolitic gneiss, granitic gneiss, tonalitic gneiss, hornblenditic mafite, pegmatite and metadolerite. The oldest rocks were probably formed around 1.5 Ga in an arc environment. During the Sveconorwegian orogeny, 1. READ MORE

  6. 5. Skarn minerals and geological structures at Kalkheia, Kristiansand, southern Norway

    University essay from Lunds universitet/Geologiska institutionen

    Author : Ina Vang; [2008]
    Keywords : skarn; marble; Kalkheia; southern Norway; marmor; södra Norge; Earth and Environmental Sciences;

    Abstract : At Kalkheia, Kristiansand, southern Norway, a marble layer was mined from 1826 to 1915. The thickness of the marble varies from 0.5 to 5 metres and the layer can be followed for 700 metres. The area consists of amphibolitic gneiss, granitic gneiss, marble and pegmatites. READ MORE