Essays about: "Limonite"

Found 4 essays containing the word Limonite.

  1. 1. PGE Geochemistry and Mineralogy of Dunite, Chromitite, and Laterite Samples from the Acoje Ophiolite Block, Philippines

    University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

    Author : Michelle Dossey; [2023]
    Keywords : PGM; PGE; laterite; limonite; chromitite; dunite; platinum group minerals; platinum group elements; Acoje; Philippines;

    Abstract : Ni-laterites have the potential to become unconventional ore deposits for platinum group elements (PGE). This study was conducted to determine enrichment trends of PGE as a result of the Ni-laterization process. READ MORE

  3. 2. To Make Iron of Iron : A Comprehensive Analytical Study of Spade Shaped Iron Bars

    University essay from Stockholms universitet/Arkeologiska forskningslaboratoriet

    Author : Nickolas Pappas Adlreburg; [2017]
    Keywords : Archaeological Science; Archaeometallurgy; Spade Shaped Iron Bars; X-Ray Fluorescence XRF ; Scanning Electron Microscopy SEM ; Metallography; Swedish Archaeology; Archaeology in Norrland; Scandinavian Iron Age; Nordic Iron Age; Roman Iron Age; Migration Period; Vendel Period; Prehistoric Metallurgy; Slag; Iron Bar; Currency Bar; Bloomery; Bloom Iron; Bog Iron; Limonite; Mineral Iron Ores; Hematite; Magnetite Phosphoric Iron Steel; Prehistoric Steel; Ferrite; Pearlite; Nickel; Cobalt; Phosphorus; Arsenic; Magnesium; Sulfur; Manganese; Norrland; Middle Norrland; Uppland; Gästrikland; Hälsingland; Medelpad; Jämtland; Södermanland; Helgö; Torsåker; Gåcksätter; Alborga; Offerdal; Selånger; Villberga; Arbrå; Laborativ Arkeologi; Arkeometallurgi; Spadformiga Ämnesjärn; Röntgenfluorescens XRF ; Svepelektronmikroskop SEM ; Metallografi; Svensk Arkeologi; Norrländsk Arkeologi; Förnnordisk Arkeologi; Skandinavisk Järnålder; Nordisk Järnålder; Fornnordisk Järnålder; Romersk Järnålder; Folkvandringstiden; Vendeltiden; Forhistorisk Metallurgi; Slaget; Ämnesjärn; Blästerugn; Blästa; Myrmalm; Sjömalm; Limonit; Bergmalm; Hematit; Magnetit; Fosforisk Järn Stål; Förhistorisk Stål; Ferrit; Pearlit; Nickel; Kobolt; Fosfor; Arsen; Magnesium; Svavel; Mangan; Norrland; Mellannorrland; Uppland; Gästrikland; Hälsingland; Medelpad; Jämtland; Södermanland; Helgö; Torsåker; Gåcksätter; Alborga; Offerdal; Selånger; Villberga; Arbrå;

    Abstract : This thesis aims to provide adequate analytical information on the spade shaped iron bars of Norrland and central Sweden. While their significance has been thoroughly debated for decades, analytical research on them has been confined to cases of single artefacts or theoretical interpretations of their value, meaning and origin. READ MORE

  4. 3. To Make Iron of Iron : A Comprehensive Analytical Study of Spade Shaped Iron Bars

    University essay from Stockholms universitet/Arkeologiska forskningslaboratoriet

    Author : Nickolas T. Pappas Adlerburg; [2017]
    Keywords : Archaeological Science; Scandinavian Iron Age; Nordic Iron Age; Spade Shaped Iron Bars; Norrland; Iron Bars; Archaeometallurgy; XRF; SEM EDS; Metallography; Vendel Era; Migration Period; Roman Iron Age; Nickel; Cobalt; Limonite; Iron Ores; Helgö; Uppland; Gästrikland; Medelpad; Hälsingland; Jämtland; Laborativ arkeologi; Nordisk järnålder; Spadformiga ämnesjärn; Norrland; Ämnesjärn; Arkeometallurgi; XRF; SEM EDS; Metallografi; Vendeltid; Folkvandringstid; Romersk Järnålder; Helgö; Nickel; Cobalt; Myrmalm; Bergmalm; Uppland; Gästrikland; Medelpad; Hälsingland; Jämtland;

    Abstract : This thesis aims to provide adequate analytical information on the spade shaped iron bars of Norrland and central Sweden. While their significance has been thoroughly debated for decades, analytical research on them has been confined to cases of single artefacts or theoretical interpretations of their value, meaning and origin. READ MORE

  5. 4. Petrology and depositional history of the Campanian strata at Maltesholm, Scania, southern Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Olof Sandström; [1994]
    Keywords : Kristianstad basin; Maltesholm; Campanian; grainstone; facies; storm sediments; hummocky cross bedding; conglomerates; shallow marine environment; rudists; belemnites; Earth and Environmental Sciences;

    Abstract : Campanian sediments of the Maltesholm quarry consist of mostly coarse grained, poorly consolidated, ruditic grainstones, almost free of micrite and lime mud, with interbedded clay horizons. The main constituents of the grainstones are coralline algae and quartz. READ MORE