Essays about: "Mineral chemistry"

Showing result 1 - 5 of 40 essays containing the words Mineral chemistry.

  1. 1. Outlook of EV battery pack design trends : Assessment of trend impact from a recycling perspective

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Arvid Johannisson; [2023]
    Keywords : Electric vehicle; Battery pack design trends; Battery pack disassembly; Recyclability; Circular economy; Elfordon; Batteri-pack-design-trender; Batteri-pack-demontering; Återvinningsbarhet; Cirkulär ekonomi;

    Abstract : Electrification is essential to decarbonise the transport sector, which accounts for the highest share of greenhouse gas emissions by all sectors. The transition requires a large amount of batteries which bring challenges, not least when it comes to raw material supply and sustainability issues during the mineral mining. READ MORE

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

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Liu Chun Wei; [2023]
    Keywords : Heard Island; Clinopyroxene; Thermobarometry; Magma storage depth;

    Abstract : 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. READ MORE

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

    University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

    Author : Nsioh Elvis Nkioh; [2022]
    Keywords : 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;

    Abstract : 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. READ MORE

  5. 4. Baggalútar from Hvalfjörður (Iceland): Enigmatic spheroids of hydrothermally altered basaltic tephra

    University essay from Uppsala universitet/Mineralogi, petrologi och tektonik

    Author : Emmie Djuse; [2022]
    Keywords : Baggalútar; Iceland; basalt; Hvalfjörður; zeolites; volcanic spherulite; spheroids; Baggalútar; Island; basalt; Hvalfjörður; zeoliter; vulkaniska sfäruliter; sfäroider;

    Abstract : Baggalútar are well-rounded spheroids that typically measures 16-18 mm in size and have a brownreddish appearance. They can be found in the Hvalfjörður bay in SW Iceland. READ MORE

  6. 5. The Fe-oxides (mineralogical, chemical, and textural) variation in the Leveäniemi deposit using micro-analytical tools for unraveling of primary features and metamorphic recrystallisation

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Adrian Larsson; [2022]
    Keywords : Leveäniemi; Magnetite; Hematite; Iron oxides; Iron oxide apatite;

    Abstract : The Leveäniemi iron oxide apatite (IOA) deposit, mined by LKAB, is located in Norrbotten, northern Sweden. The deposit has a partially more complex mineralogy than the neighbouring and more famous IOA deposits of Kiirunavaara and Malmberget. READ MORE