Browsing NTNU Open by Author "Aasly, Kurt"
Now showing items 1-20 of 39
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A mineralogical-, mineral chemical- and spatial characterization of the Lomli iron deposit
Sepulveda, Fabian Schenker (Master thesis, 2019)Lomliforekomsten er en Neoproterozoisk magnetitt-apatitt-mineralisering som befinner seg i Storforshei, der Rana Gruber for tiden driver gruvedrift på jernoksider. Som en del av Rana Grubers ønske om å utvide malmdatabasen ... -
A neural network approach for spatial variation assessment – A nepheline syenite case study
Mena Silva, Camilo Andres; Ellefmo, Steinar Løve; Sandøy, Roar; Sørensen, Bjørn Eske; Aasly, Kurt (Journal article; Peer reviewed, 2020)The present geometallurgical study shows the application of a machine-learning methodology to the prediction of material properties from the Nabbaren nepheline syenite deposit in Norway. The approach used in this study ... -
A preliminary study of the Ni-Cu-Co sulphide concentrator at Titania AS
Osen, Jenny (Master thesis, 2024)Denne masteroppgaven er en innledende mineralogisk studie på sulfidsløyfa hos Titania AS. Titania AS er en gruve som ligger i Hauge i Dalanae i sørvest Norge, som i all hovedsak produserer et ilmenittkonsentrat (gj. snitt ... -
An Investigation of Mineralogical, Textural and Geochemical Ore Type Variations in the Nabberen Nepheline Syenite Deposit
Wall, Astrid Lunde (Master thesis, 2021)Dette prosjektet har som mål å kartlegge mineralogiske, teksturelle og geokjemiske variasjoner i Nabbaren nefelinsyenittforekomst på Stjernøy, Finnmark. Dette gjøres hovedsakelig for å produsere et oppdatert kart over ... -
Automated Mineralogy and Diagnostic Leaching Studies on Bulk Sulfide Flotation Concentrate of a Refractory Gold Ore
Güner, Mustafa Kadir; Bulut, Gülay; Hassanzadeh, Ahmad; Lode, Stefanie; Aasly, Kurt (Peer reviewed; Journal article, 2023)Obtaining detailed and precise information from a classified refractory gold ore has been a long-standing challenge in mineral processing and process mineralogy. Although the concept of diagnostic leaching has been extensively ... -
Bruk av overskuddsmasser fra Romsdalsfjordskryssningen
Solås, Anders (Master thesis, 2022)Ved E39 Romsdalsfjorden er det planlagt en 14,5 km lang undersjøisk tunnel fra Vik i sør til Nautneset i nord, i tillegg til en bro videre over til Julbøen. Det er planlagt bruk av tunnelmassene prosjektet genererer til ... -
Characterisation of alteration zones in the Skogestad- and Stabben area in the Tellnes deposit - With focus on mineralogic content, types and degree of alteration
Mong, Asbjørn (Master thesis, 2021)Tellnes forekomsten regnes som en av de største ilmenitt forekomstene i verden. Forekomsten ble oppdaget ved aeromagnetiske undersøkelser støttet av Titania AS i 1954, og forekomsten har blitt utvunnet av Titania AS siden ... -
Characterisation of Mineralised Material from the Loki’s Castle Hydrothermal Vent on the Mohn’s Ridge
Snook, Ben; Drivenes, Kristian; Rollinson, Gavyn; Aasly, Kurt (Journal article; Peer reviewed, 2018)Loki’s Castle on the Arctic Mid-Ocean Ridge (AMOR) is an area of possible seafloor massive sulphide (SMS)-style mineralisation under Norwegian jurisdiction, which, due to mounting social pressure, may be a strategic future ... -
Characterisation of pyroxene and olivine in the Tellnes deposit
Eia, Kristine Eriksen (Master thesis, 2020)Tellnesforekomsten er en av verdens største ilmenittforekomster. Forekomsten ble oppdaget ved flymagnetometriske målinger i 1954 og har vært i kontinuerlig drift av Titania AS siden 1960. Titania produserer et ilmenittrikt ... -
Characterisation of pyrrhotite-bearing concrete aggregates using conventional techniques in combination with SEM-based Automated Mineralogy
Fure, Øystein (Master thesis, 2021)Magnetkis i betongtilslag har fått økt oppmerksomhet de siste årene grunnet potensielt skadelige effekter på betongs bestandighet. Deler av overskuddsmassene fra tunnelbyggingen ved Follobanen var tiltenkt å gjenbrukes i ... -
Distribution of Th and U in the Fe-dolomite carbonatite from the Fen REE deposit
Magnushommen, Gaute (Master thesis, 2022)En detaljert karakterisering av thorium og uran er presentert basert på 12 prøver tatt fra materiale fra Fensfeltet i Ulefoss, Telemark, Norge. Prøvene ble sortert i tre kategorier og studert, basert på radioaktivitet. Det ... -
Efficient extraction of copper and zinc from seafloor massive sulphide rock samples from the Loki's Castle area at the Arctic Mid-Ocean Ridge
Kowalczuk, Przemyslaw B.; Snook, Ben; Kleiv, Rolf Arne; Aasly, Kurt (Journal article; Peer reviewed, 2018)Seafloor massive sulphide (SMS) deposits have been identified as important marine metal resources for the future. However, literature on the recovery/extraction of metals from SMS is currently limited, and to date, no ... -
Experimental Analysis and Characterization of Deep-Sea Sediment Samples From Loki's Castle and Mohn's Treasure
Hyllseth, Anne (Master thesis, 2021)Verden står i dag overfor det grønne skiftet. Ved overgang til grønn energi, vil behovet for metaller som kobber, sink og kobolt øke. I tilleg til å skape et insentiv for arealkonflikter fører den kontinuerlige utnyttelsen ... -
Galvanic Leaching of Seafloor Massive Sulphides Using MnO2 in H2SO4-NaCl Media
Kowalczuk, Przemyslaw; Dan, Oliric Manaig; Drivenes, Kristian; Snook, Ben; Aasly, Kurt; Kleiv, Rolf Arne (Journal article; Peer reviewed, 2018)This paper reports the leaching of seafloor massive sulphides (SMS) from the Loki’s Castle area at the Arctic Mid-Ocean Ridge in sulphuric acid with manganese dioxide and sodium chloride. The results presented are of various ... -
Geochemical & Mineralogical assessment of the Anundsjøen, Larvik Potential Nepheline Syenite deposit for use in glass and ceramics
Schjølberg, Marius (Master thesis, 2023)Sammendrag Nefelinsyenitt er et industrimineral som brukes innen glass- og kjeramikk industrien, ettersom det tillater lavere og mer stabile smeltetemperaturer. Avhengig av dens geokjemiske sammensetning, kan den ha en ... -
Geological and Mineralogical Characterization of the Upper Part of the Gamasfjell Quartzite at the Vaggecearu Mountain
Pevik, Jonas Arthur (Master thesis, 2015)In Northern Norway on the Varanger Peninsula, the Gamasfjell quartzite extends as a belt over a large area, from Porsganger in the west to Skallelv in the east. The Gamasfjell Formation is Precambrian in age, and represents ... -
Geological and Mineralogical Investigation of The Western Part of The Nussir Copper Deposit - With focus on the geological relationship between the Upper- and the Lower mineralized horizons
Moen, Kjersti (Master thesis, 2014)In this study, two mineralized horizons in the Nussir copper deposit were compared. The horizons were found by diamond drilling conducted by Nussir ASA in the western part of Nussir West in Kvalsund Municipality, Finnmark ... -
Geologisk og mineralogisk karakterisering av Dalhaugen klebersteinforekomst
Lund, Vegard (Master thesis, 2017)Nidaros Domkirkes Restaureringsarbeider (NDR) har et kontinuerlig behov for stein til restaurering av Nidarosdomen. De har primært behov for tre typer stein. stein som tåler klimasykler over tid uten å forvitre synderlig. ... -
A Geometallurgical Approach Applied to the Tromsdalen Calcite Operation
Lang, Aleksandra Maria (Doctoral theses at NTNU;2020:161, Doctoral thesis, 2020)The motivation behind the thesis was to increase the knowledge and to expand the possibilities within industrial mineral mining, an important mining sector in Norway. This was done through extensive deposit study and an ... -
Geometallurgical Approach to the Element-to-Mineral Conversion for the Nabbaren Nepheline Syenite Deposit
Mena Silva, Camilo Andrés; Sørensen, Bjørn Eske; Aasly, Kurt; Ellefmo, Steinar Løve (Journal article; Peer reviewed, 2018)Nabbaren nepheline syenite, a silica-deficient intrusive rock with low Fe content, was the industrial mineral deposit study case in this study. The quality of industrial mineral products are generally based on their bulk ...