Sökning: "granite mining"

Visar resultat 1 - 5 av 11 uppsatser innehållade orden granite mining.

  1. 1. Geological characterization of rock samples by LIBS and ME-XRT analytical techniques

    Master-uppsats, Luleå tekniska universitet/Geovetenskap och miljöteknik

    Författare :Nsioh Elvis Nkioh; [2022]
    Nyckelord :geological characterization; analytical techniques; LIBS; ME-XRT; SEM; element maps; SEM-EDS; secondary electrons; rock samples; automated ore microscopy; SEM-Zeiss Merlin; element weight percentages; element oxide percentages; scanning techniques; analytical methods; laser induced breakdown spectrometry; multi energy x-ray transmission; scanning electron microscope; carbon coating; mineralogical classification; element composition; rock chemistry; rock chemical composition;

    Sammanfattning : One of the major challenges in earth sciences and mineral exploration has been to determine with high accuracy and at a fast rate the elemental composition as well as the general chemistry of a rock sample. Many analytical techniques e.g. LÄS MER

  3. 2. ‘Our own law is making us beggars’ : understanding the marginal experiences of governed, mine-side communities in Mutoko district, Zimbabwe

    Master-uppsats, SLU/Dept. of Urban and Rural Development

    Författare :Saymore Ngonidzashe Kativu; [2021]
    Nyckelord :unequal ecological exchange; lifeworld; granite mining; governance; mining anthropology; natural resources curse; natural resources governance; Zimbabwe;

    Sammanfattning : There is a rising interest in the Global South, to ensure that mineral resources are governed to benefit local communities where they are extracted. The shared Africa Mining Vision and economic aspirations in Zimbabwe seeking to integrate equity in governing and extracting mineral resources reflects such interests. LÄS MER

  4. 3. Befintlig och framtida infrastruktur i Dennewitz malmkropp : Prognos och rekommendationer

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Författare :Johan Winsa; [2020]
    Nyckelord :bergmekanik; geologi; strukturgeologi; skadekartering; Dennewitz; Malmberget; LKAB;

    Sammanfattning : During mining in the Malmberget mine, large amounts of information such as damage mapping, geological mapping, seismic data and stress conditions are stored. All the data that is obtained is stored in several places with different methods, which makes it problematic to use. LÄS MER

  5. 4. 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

  7. 5. Wear and degradation of Co, Fe and Ni-based cemented carbides against sandstone and granite

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Tillämpad materialvetenskap

    Författare :Felix Jacobson; [2018]
    Nyckelord :Cemented carbide; mining; drilling; granite; sandstone; mine water; wear; degradation; tribology; tribochemical; cobalt; nickel; iron;

    Sammanfattning : This diploma work is performed at Sandvik Mining and Rock Technology, Rock Tools division, a world-leading mining equipment manufacturer. The aim is to study the wear of cemented carbide rock drill inserts worn against granite and sandstone countersurfaces, with focus on the impact of binder phase composition and flushing agent chemistry. LÄS MER