Blar i NTNU Open på forfatter "Sørensen, Bjørn Eske"
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Magma-driven, high-grade metamorphism in the Sveconorwegian Province, southwest Norway, during the terminal stages of Fennoscandian Shield evolution
Slagstad, Trond; Roberts, Nick M.W.; Coint, Nolwenn.; Høy, Ingjerd Ulsaker; Sauer, Simone; Kirkland, CL; Marker, Mogens; Røhr, Torkil Sørlie; Henderson, Iain; Stormoen, Martin Austin; Skår, Øyvind; Sørensen, Bjørn Eske; Bybee, Grant M. (Journal article; Peer reviewed, 2018)Recently it has been argued that the Sveconorwegian orogeny in southwest Fennoscandia comprised a series of accretionary events between 1140 and 920 Ma, behind a long-lived, active continental margin characterized by ... -
Measurement of particle size distribution and specific surface area for crushed concrete aggregate fines
Cepuritis, Rolands; Garboczi, Edward J.; Ferraris, Chiara F.; Jacobsen, Stefan; Sørensen, Bjørn Eske (Journal article; Peer reviewed, 2017)Different methods for measuring particle size distribution (PSD) and specific surface area of crushed aggregate fines (⩽250 μm), produced by high-speed vertical shaft impact (VSI) crushing of rock types from different ... -
Metamorfose og metasomatiske prosesser i tonalittiske og mafiske gangbergarter på Klemetsaunet, Trondheim
Slenes, Tonje Moen (Master thesis, 2016)Klemetsaunet er et område nord i Bymarka ofiolitten, Trondheim, som ligger plassert i den øvre dekkeserien i de skandinaviske kaledonidene. Bymarka ofiolitten kan dateres tilbake til tidlig Ordivicium og består av en ... -
Metamorphic refinement of quartz under influence of fluids during exhumation with reference to the metamorphic/metasomatic evolution observed in amphibolites: a detailed field, microtectonic and geochemical study from the Bamble sector, South Norway
Sørensen, Bjørn Eske (Doktoravhandlinger ved NTNU, 1503-8181; 2007:146, Doctoral thesis, 2007)Outline of the thesis This thesis is comprises three papers that are intended for journal publication. The version provided in the thesis is a bit longer than they will be at final publication. However it was the desire ... -
Mineralogical assessment of rocks of hydropower tunnels subjected to swelling
Henriksen, Lisa Henrika (Master thesis, 2022)Vannkraft tunneler lokalisert i svakt og svellende bergmasse er utsatt for stabilitets problemer og kollaps. Samarbeidspartneren Statkraft ønsker å støtte videre forskning som skal identifisere og vurdere svellende mineraler ... -
Multi-isotope tracing of the 1.3–0.9 Ga evolution of Fennoscandia; crustal growth during the Sveconorwegian orogeny
Granseth, Anette; Slagstad, Trond; Roberts, Nick M.W.; Hagen-Peter, Graham; Kirkland, Christopher L.; Møkkelgjerd, Steinar Halvdan Hansen; Røhr, Torkil Sørlie; Coint, Nolwenn; Sørensen, Bjørn Eske (Peer reviewed; Journal article, 2021)Magmatism between 1.3 and 0.9 Ga at the southwestern margin of Fennoscandia, comprising mainly granitic batholiths and subordinate bimodal volcanic rocks, provides a nearly continuous magmatic record of the Fennoscandian ... -
Onshore to offshore correlation of ore-forming hydrothermal systems: Geological investigations of the Reinfjord Ultramafic Complex and Southwestern Barents Sea
Ryan, Eric James (Doctoral theses at NTNU;2023:76, Doctoral thesis, 2023)Demand for mineral resources continues to grow, while political pressure, legitimate environmental concerns, and important ethical questions slow the development of new mineral resources. Simultaneously, emerging technologies ... -
Ore-forming processes in volcano-sedimentary hosted massive sulphide deposits in the Mofjell group, Nordland, Norway
Berbusmel, Berit (Master thesis, 2020)Mofjellgruppen i Rödningsfjäll skyvedekkekompleks er vert for flere malmforekomster, hvor noen av dem har vært utvunnet. I denne avhandlingen skal to av forekomstene som ikke har vært utvunnet før, Hesjelia sonen og ... -
The Palaeoproterozoic Gallujavri Ultramafic Intrusion, Karasjok Greenstone Belt; Petrogenesis of a Trans-Crustal Magma System
Orvik, Alf Andre; Slagstad, Trond; Hansen, Harald; Nilsson, Lars Petter; Sørensen, Bjørn Eske (Peer reviewed; Journal article, 2022)The modern concepts of magmatic plumbing systems have evolved from simple models of melt-dominated crustal magma chambers to magmatic systems that span the continental crust. The geochemistry of these systems is challenging ... -
Palaeoproterozoic Tectonomagmatic Evolution and Crustal Architecture of the SW Margin of Fennoscandia
Nymoen, Kristine Glomsås (Master thesis, 2019)Feltområdet omfatter de fire øyene Grytøya, Bjarkøya, Sandsøya og Krøttøya i Troms, Norge, lokalisert på den tidligere sørvestlige marginen av det Fennoskandiske skjold i sen-paleoproterozoisk tid. Litologiene som finnes ... -
Platinum Group Elements in the Reinfjord Ultramafic Complex
Nikolaisen, Even (Master thesis, 2016)Fifty km W - NW of the Norwegian city of Alta in Troms fylke, is the Reinfjord ultramafic complex (RUC), which is composed of three intrusive events with an age of approximately 560 - 570 Ma (Roberts, 2006). Drill core ... -
Portrait of a giant deep-seated magmatic conduit system: The Seiland Igneous Province
B. Larsen, Rune; Grant, Thomas; Sørensen, Bjørn Eske; Tegner, Christian; McEnroe, Suzanne; Pastore, Zeudia; Fichler, Christine; Nikolaisen, Even; Grannes, Kim Rune Bragstad; Church, Nathan Stewart; ter Maat, Geertje; Michels, Alexander (Journal article; Peer reviewed, 2018)The Seiland Igneous Province (SIP), Northern Norway, contains > 5000 km2 of mafic and ultramafic intrusions with minor alkaline, carbonatite and felsic rocks that were intruded into the lower continental crust at a depth ... -
Processing and indexing of electron backscatter patterns using open-source software
Ånes, Håkon Wiik; Hjelen, Jarle; Sørensen, Bjørn Eske; Van Helvoort, Antonius; Marthinsen, Knut (Peer reviewed; Journal article, 2020)A new method to increase the signal-to-noise ratio S/N of electron backscatter patterns (EBSPs) based upon principal component analysis (PCA) is presented. The PCA denoising method is applied to ten scans of EBSPs from the ... -
Provenance of the Neoproterozoic–Cambrian Vestertana Group in Finnmark, northern Norway
Størdal, Kine Tangvik (Master thesis, 2023)Detritalzirkonstudier kan bidra til å bestemme paleogeografi, tektoniske rekonstruksjoner og jordskorpeutvikling. Zirkon benyttes populært i sedimentære provenansstudier på grunn av sin robusthet og tilstedeværelse i så ... -
Structural and Petrological Study of the Klemetsaunet Plagiogranite, Trondheim, Norway
Vedeler, Sebastian (Master thesis, 2013)The Klemetsaunet plagiogranite is a felsic rock connected with the Bymarka ophiolite, and is a part of the Upper allochton of the Scandinavian Caledonides. The plagiogranitic body is cut by several mafic dikes, and this ... -
The Sveconorwegian orogeny – reamalgamation of the fragmented southwestern margin of Fennoscandia
Slagstad, Trond; Marker, Mogens; Roberts, Nick M.W.; Saalmann, Kerstin; Kirkland, Christopher L.; Kulakov, Evgeniy; Ganerød, Morgan; Røhr, Torkil Sørlie; Møkkelgjerd, Steinar Halvdan Hansen; Granseth, Anette; Sørensen, Bjørn Eske (Peer reviewed; Journal article, 2020)The Sveconorwegian orogeny encompasses magmatic, metamorphic and deformational events between ca. 1140 and 920 Ma at the southwestern margin of Fennoscandia. In recent years, the tectonic setting of this nearly 200 Myr-long ... -
Tectonomagmatic Evolution of the Sveconorwegian Orogen: Insights from Geochemical and Isotopic Data
Granseth, Anette (Doctoral theses at NTNU;2022:123, Doctoral thesis, 2022)The Sveconorwegian orogen has a long, complex geological and tectonic history at the southwestern margin of the Fennoscandian Shield, which took place between 1140 and 920 Ma. For almost 150 million years of that time, ... -
The Upper Layered Series of the Reinfjord Ultramafic Complex A Closer Look at the Magmatic and Structural Evolution of Dykes and Host Rocks
Sakariassen, Jørgen (Master thesis, 2020)Reinfjord Ultramafiske Kompleks (RUK) er en stor ultramafisk intrusjon i Nord-Troms i Norge. Reinfjord er en av fire ultramafiske komplekser i Seiland Magmatiske Provins (SMP) som man antar var transportpassasjen for ... -
U-Pb geochronological and whole-rock geochemical analysis of the augen gneiss of the Dagvolsjøen Nappe, central Norwegian Caldedonides
Uthus, Marte Jørstad (Master thesis, 2023)Øyegneisen i Dagvolsjødekket i de sentrale, norske Kaledonidene er dårlig kartlagt, og moderne geokronologi og geokjemi mangler fra typelokaliteten nær Brekken i Røros kommune. For å få en bedre forståelse av øyegneisen ...