Essays about: "open pit mine"

Showing result 1 - 5 of 19 essays containing the words open pit mine.

  1. 1. Post-Extraction Mine-Scape. Alternate Production and Recreation Protocol for Slite.

    University essay from KTH/Stadsbyggnad

    Author : Saba Farheen Ahmed; [2023]
    Keywords : Extraction; Post-Industrial Urbanism; Landscape Regeneration; Microalgae Production; Gotland;

    Abstract : Quarrying of limestone on the Swedish island of Gotland dates all the way back to the 5th century but saw the rise of its modern form during the early 20th century, with the establishment of Cementa AB at Slite, which since then has developed as an industrial town. Cementa has been progressively mining limestone in three large open pit quarries in Slite. READ MORE

  3. 2. Textural characterization of gold in the Björkdal gold deposit, northern Sweden.

    University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

    Author : Fredrik Westberg; [2021]
    Keywords : Björkdal gold deposit; gold; gold-telluride; SEM; mineral association; grain size; geometallurgy;

    Abstract : The Björkdal gold deposit is located in the eastern part of the Skellefte district, northern Sweden. Twenty thin sections from four production areas in the open pit and four drifts from the underground mine were analysed for mineral association and grain size distribution of gold. READ MORE

  4. 3. Uranium mining : A tool to evaluate and compare new suppliers

    University essay from KTH/Hållbar produktionsutveckling (ML)

    Author : Gustav Svenningsson; [2021]
    Keywords : ;

    Abstract : Nuclear power plants produce electricity by energy produced by nuclear reactions in thenuclear core. The nuclear fuel that enables the reactions has uranium as its primary material.Uranium is processed in four steps before being put into the nuclear core and these four stepsare uranium mining, conversion, enrichment and manufacturing. READ MORE

  5. 4. An Innovative In-Tunnel Seismic Study for Sustainably Extracting Apatite Ore at the Siilinjärvi Mine, Eastern Finland

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Anna Donczew; [2019]
    Keywords : in-tunnel seismic; reflection seismic; traveltime tomography; carbonatites; shear zones; Siilinjärvi; tunnelseismik; reflektionsseismik; restidstomografi; karbonatiter; skjuvzoner; Siilinjärvi;

    Abstract : Siilinjärvi located in eastern Finland is presently the only phosphate mine with significant phosphorus production in western Europe. Phosphate rock and phosphorus are known as a critical raw material for the European Union due to their economic importance and being prone to the supply risks. READ MORE

  6. 5. Medium term planning with Evolution : Comparison with current method at LKAB Svappavaara

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

    Author : Koen Vos; [2018]
    Keywords : mining; production scheduling; mine planning;

    Abstract : This thesis looks at the medium term mine planning process and tools in the Leveäniemi open pit mine operated by LKAB Svappavaara. The current planning process uses software, Chronos, which was previously used successfully to perform medium term planning for the Gruvberget mine, which is also operated by LKAB Svappavaara. READ MORE