Essays about: "geochemical"

Showing result 41 - 45 of 118 essays containing the word geochemical.

  1. 41. Unravelling the timing and distribution of Paleoproterozoic dyke swarms in the eastern Kaapvaal Craton, South Africa

    University essay from Lunds universitet/Geologiska institutionen

    Author : Camilo Esteban Gaitan Valencia; [2019]
    Keywords : Kaapvaal; Mashining; black hills; dyke events; U-Pb geochronology; baddeleyite; geochemistry; Earth and Environmental Sciences;

    Abstract : I denna uppsats presenterar jag kristallisationsåldrar, petrografi och geokemisk sammansättning för diabasgångar och en lagergång i östra och sydöstra Kaapvaal kratonen, Sydafrika. Dessa nya resultat ger mer exakta och pålitliga resultat än tidigare dateringar för diabaser tillhörande den s.k. READ MORE

  3. 42. Mapping of contaminant dispersion from a polluted mining area by geochemical and geophysical methods, Rävlidmyran,northern Sweden : Use of geochemical and geophysical studies to investigate contaminants

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

    Author : Astrid Theander; [2019]
    Keywords : ;

    Abstract : After open pit mining, the pit can either be backfilled or be filled with groundwater andbecome a pit lake. These lakes tend to be acidic and contains high concentrations ofmetals, which increases the environmental risks in the area. One of these pit lakes isRävlidmyran in the Skellefte ore district. READ MORE

  4. 43. A geoarchaeological study on two Norwegian boat graves : Soil analysis and an attempt of forensic work strategy and thinking in the interpretation of the results

    University essay from Umeå universitet/Institutionen för idé- och samhällsstudier

    Author : Stefano Vilardi; [2019]
    Keywords : Geoarchaeology; forensic approach; Geochemistry; boat graves;

    Abstract : The following paper is the final thesis of two years long experimental work conducted on two different collections of soil samples coming from two different Norwegian archaeological sites. In particular, the first collection of soil samples comes from an identified boat grave from the Viking Age (eg Sykehus area Kristiansand County, Vest-Agder). READ MORE

  5. 44. Arsenic and other heavy metals in hydropower plants : An assessment of occupational risk hazards at Fortum’s underground hydropower plants in Sweden

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Angeliki Filippou; [2019]
    Keywords : ;

    Abstract : Arsenic (As) is a metalloid that occurs naturally in the Earth’s crust, in bedrock and soil. The concentrations that Arsenic can be found are normally between 1-3 ppm. READ MORE

  6. 45. Leaching of Glass Waste – Structure and Humidity Cell Tests

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Elin Sandgren; [2019]
    Keywords : Glass structure; glass leaching; glass modifiers; humidity cell test; saturation index; arsenic; lead.; Glasstruktur; lakning av glas; glasmodifierare; fuktkammarförsök; mättnadsindex; arsenik; bly.;

    Abstract : Glass production has historically occurred at around 50 glassworks in Sweden, in a region known as the Kingdom of Crystals (Glasriket). Today, most of these sites are no longer active and left behind is glass waste of different forms (both as fragments of finished glass as well as unrefined glass melts). READ MORE