Sökning: "Structural geology"

Visar resultat 6 - 10 av 30 uppsatser innehållade orden Structural geology.

  1. 6. Cr-spinels in the Franklinian Mobile Belt : a geochemical record of Paleozoic tectonics

    Kandidat-uppsats, Stockholms universitet/Institutionen för geologiska vetenskaper

    Författare :Malvina Forbes Halldén; [2019]
    Nyckelord :geology; geochemistry; spinel; Cr-spinel; chromite; SEM; scanning electron microscope; electron microprobe; EMP; electron probe microanalyzer; EPMA; electron micro probe analyzer; EMPA; petrogenetic indicator; microscopy; alteration; Franklinian Mobile Belt; Kulutingwak Formation; Clements Markham fold belt; Pearya; Paleozoic; suprasubduction zone; SSZ; island arc; IA; Arctic Canadian Archipelago; Ellesmere Island; Canada; 2017 Circum-Arctic Structural Events Expedition 19; Memorial University of Newfoundland; geologi; geokemi; spinell; Cr-spinell; kromit; SEM; svepeletronmikroskopi; elektronmikrosondanalys; EMP; EPMA; EMPA; petrogenetisk indikator; mikroskopi; Franklinian Mobile Belt; Kulutingwak-formationen; Clements Markham fold belt; Pearya; Paleozoikum; suprasubduktionszon; SSZ; öbåge; IA; Kanadas arktiska öar; Ellesmereön; Kanada; 2017 Circum-Arctic Structural Events Expedition 19; Memorial University of Newfoundland;

    Sammanfattning : The chemical compositions of Cr-spinel extracted from mafic and ultramafic rocks collected on Ellesmere Island in the Arctic Canadian Archipelago were obtained through electron microprobe analyses. The extensively altered rocks are sampled from rock units in the Franklinian MobileBelt, which is representative of a Paleozoic tectonically active oceanic regime of which little is presently known. LÄS MER

  3. 7. Impacts of subglacial processes on underlying bedrock

    Kandidat-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Oscar Juliusson; [2019]
    Nyckelord :subglacial processes; liquefaction; hydrofracturing; bedrock; fracking; Earth and Environmental Sciences;

    Sammanfattning : Historically, the field of glacial geology has put much focus on the processes within the subglacial environment, their effects on unconsolidated sediments and the landforms they produce. Subsequently, the impact of subglacial processes is fairly well documented and understood regarding unconsolidated sediments. LÄS MER

  4. 8. Structural control on the Peña del Seo tungsten-greisen vein deposit, northwest Spain

    Master-uppsats, Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Författare :Ida Kronsell; [2019]
    Nyckelord :Vein deposit Greisen Tungsten;

    Sammanfattning : Tungsten is listed on the European Commission list of critical raw materials that are crucial to Europe’s economy. By raising awareness of tungsten as a critical raw material the EU can prioritise to enhance exploration, mining and recycling of tungsten. LÄS MER

  5. 9. Strukturgeologisk karaktärisering av Getåravinen : En visualisering av lineamentsstudie med prediktioner och modellering inför Ostlänken

    Kandidat-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

    Författare :Pierre Wikby; Ragnar Andersson; [2018]
    Nyckelord :Structural geology; BIM; lineament; kriging; IDW; RMR; Q; RQD; Strukturgeologi; BIM; lineament; kriging; IDW; RMR; Q; RQD;

    Sammanfattning : Ostlänken är en planerad höghastighetsjärnväg mellan Järna och Linköping med stegvis byggstart från 2017, ett omfattande projekt som inkluderar totalt cirka 20 kilometer tunnel, varav en tunnel planeras att korsa Getåravinen. Undermarksbyggande är komplicerat och kontakt med svaghetszoner i berg innebär ökade risker för anläggning, miljö och omgivande fastigheter. LÄS MER

  7. 10. The Sedimentological Distribution of Upper Brent, Oseberg field, North Sea

    Kandidat-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Mandana Farvardini; [2017]
    Nyckelord :Sedimentology;

    Sammanfattning : The Oseberg hydrocarbon field is located in the northern North Sea sedimentary basin (61-62° N) on the eastern flank of the Viking Graben and is bounded to the east by the Horda Platform and the Øygarden Fault Complex (ØFC). The field is covering up most parts of block 30/6 and 30/9 on the Norwegian Continental Shelf (NOCS) but also minor parts of blocks 30/5, 30/8 and 30/12. LÄS MER