Browsing NTNU Open by Author "Osmundsen, Per Terje"
Now showing items 1-20 of 22
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3D evolution of detachment fault systems in necking domains: insights from the Klakk Fault Complex and the Frøya High, mid-Norwegian rifted margin
Gresseth, Julie Linnea Sehested; Osmundsen, Per Terje; Peron, Gwenn (Journal article, 2023)Detachment fault systems typically record displacements in the order of 10s of kilometers. The principles that control the growth of smaller magnitude normal faults are not fully applicable to the evolution of detachment ... -
An Investigation of Fault Displacement and Polarity in the northern North Sea
Hiller, Oda Normann (Master thesis, 2013)Fault displacement and polarity are key controls on basin architecture, and investigating these controls can give valuable information about the structure in extensional regions. In this thesis 2D seismic surveys have been ... -
Architecture of growth basins in a tidally influenced, prodelta to delta-front setting: The Triassic succession of Kvalpynten, East Svalbard
Smyrak-Sikora, Aleksandra; Osmundsen, Per Terje; Braathen, Alvar; Ogata, Kei; Anell, Ingrid Margareta; Mulrooney, Mark Joseph; Zuchuat, Valentin (Journal article; Peer reviewed, 2019)World‐class examples of fault‐controlled growth basins with associated syn‐kinematic sedimentary fill are developed in Upper Triassic prodelta to delta‐front deposits exposed at Kvalpynten, SW Edgeøya in East Svalbard. ... -
Characterization of large-magnitude normal faults in seismic reflection data: manual and automatic approaches
Langeng, Trond (Master thesis, 2020)Bruken av maskinlæring i forkastningstolkninger er utstrakt, men fokuset har primært vært på vanlige forkastningstyper som definerer reservoarer. Forkastninger av større skala skiller seg ofte ut fra disse vanlige ... -
Deep Crustal Flow Within Postorogenic Metamorphic Core Complexes: Insights From the Southern Western Gneiss Region of Norway
Wiest, Johannes; Osmundsen, Per Terje; Jacobs, Joachim; Fossen, Haakon (Journal article; Peer reviewed, 2019)Viscous crustal flow can exhume once deeply buried rocks in postorogenic metamorphic core complexes (MCCs). While migmatite domes record the flow dynamics of anatectic crust, the mechanics and kinematics of solid‐state ... -
Deformation along a sheared margin segment, Sørvestsnaget Basin, Southwestern Barents Sea. Insight from 3D seismic reflection data.
Aae, Njål Eikeland (Master thesis, 2024)Forskning på kontinental rifting langs den norske marginen er hovedsakelig utført langs den midt-norske marginen, som er preget av ortogonal riftdannelse. Denne oppgaven benytter høyoppløselige 3D-seismiske data for å ... -
Detachment faulting and fault-controlled sub-basin formation at the northern margin of the Devonian Hornelen basin, Western Norway
Johansen, Sindre Ekrene (Master thesis, 2022)Devonbassengene i Vest-Norge ble dannet i forbindelse med storskala normalforkastning i ekstensjonale detachment-soner. Disse bassengene var utsatt for syn-sedimentær ekstensjonsparallell folding, i tillegg til ekstensjonsrotering ... -
Fault growth and orthogonal shortening in transtensional supradetachment basins: Insights from the `Old Red´ of western Norway
Osmundsen, Per Terje; Svendby, Anne Kathrine; Braathen, Alvar; Bakke, Beate; Andersen, Torgeir Bjørge (Journal article; Peer reviewed, 2023)For basins that evolve adjacent to large-magnitude normal faults, tectonic controls on sedimentation involve isostatic back rotation of an exhuming footwall and, commonly, the evolution of kilometre-scale extension-parallel ... -
Forkastningsarkitektur, deformasjonsprodukter og omvandling i en kompleks forkastningssone i Pervika, Sør-Trøndelag
Pettersen, Kristian Elias (Master thesis, 2021)Pervika forkastningssone, i Sørvest-Trøndelag, er en kompleks forkastningssone som har tilhørighet til Møre-Trøndelag forkastningskompleks (MTFK). De to forkastningene studert i Pervika, viser en komplisert utvikling, med ... -
From Caledonian collapse to North Sea Rift: The extended history of a metamorphic core complex
Wiest, Johannes; Wrona, Thilo; Bauck, Marit Stokke; Fossen, Haakon; Gawthorpe, Rob; Osmundsen, Per Terje; Faleide, Jan Inge (Peer reviewed; Journal article, 2020)Extensional systems evolve through different stages due to changes in the rheological state of the lithosphere. It is crucial to distinguish ductile structures formed before and during rifting, as both cases have important ... -
From orogeny to rifting: insights from the Norwegian ‘reactivation phase’
Peron-Pinvidic, Gwenn; Osmundsen, Per Terje (Peer reviewed; Journal article, 2020)Based on observations from the Mid-Norwegian extensional system, we describe how, when and where the post-Caledonian continental crust evolved from a context of orogenic disintegration to one of continental rifting. We ... -
Late Paleozoic supradetachment basin configuration in the southwestern Barents Sea — Intrabasement seismic facies of the Fingerdjupet Subbasin
Gresseth, Julie Linnea Sehested; Braathen, Alvar; Serck, Christopher Sæbø; Faleide, Jan Inge; Osmundsen, Per Terje (Journal article; Peer reviewed, 2021) -
Lineament mapping and its accuracy for forecasting weakness zones in tunnel construction. A case study of the Oslo region.
Arctander, Karoline (Master thesis, 2023)Lineamentkartlegging er et mye brukt verktøy for å forutsi svakhetssoner i underjordiske installasjoner, men hvor nøyaktige er disse kartene? Denne masteroppgaven presenterer en statistisk analyse av nøyaktigheten til ... -
Mesozoic-Cenozoic regional stress field evolution in Svalbard
Maher, Harmon; Senger, Kim; Braathen, Alvar; Mulrooney, Mark Joseph; Smyrak-Sikora, Aleksandra; Osmundsen, Per Terje; Ogata, Kei (Peer reviewed; Journal article, 2020)Cooling fracture orientations in diabase sills associated with the Cretaceous High Arctic Large Igneous Province and syn‐sedimentary Triassic faults help constrain a model for Svalbard's (NE Barents Shelf) Mesozoic stress ... -
Segmentation of the Caledonian orogenic infrastructure and exhumation of the Western Gneiss Region during transtensional collapse
Wiest, Johannes; Jacobs, Joachim; Fossen, Haakon; Ganerød, Morgan; Osmundsen, Per Terje (Peer reviewed; Journal article, 2021)The (ultra)high-pressure Western Gneiss Region of the Norwegian Caledonides represents an archetypical orogenic infrastructure of a continent–continent collision zone. To test established exhumation models, we synthesize ... -
Structural and temporal evolution of the Porsgrunn-Kristiansand Fault Complex
Dybdahl, Eivind Nicolay (Master thesis, 2023)Berggrunnen i Sør-Norge er gammel (>900 Ma) og sprø deformasjon forekommer jevnlig. En av de mest velkjente strukturene er det 150 km lange Porsgrunn-Kristiansand forkastningskomplekset (PKFK) som grenser Bamble litotektoniske ... -
Structural Interpretation and Investigation of the Displacement Gradients of the Normal Fault System beneath the Horda Platform, the northern North Sea
Kaenmee, Kwanjai (Master thesis, 2012)The North Sea basin is one of the best-studied areas in the world with respect to thestructural and sedimentary architecture of rift zones. The Base Cretaceous Unconformity,which defines a mappable horizon at the transition ... -
Supradetachment to rift basin transition recorded in continental to marine deposition; Paleogene Bandar Jissah Basin, NE Oman
Serck, Christopher Sæbø; Braathen, Alvar; Olaussen, Snorre; Osmundsen, Per Terje; Midtkandal, Ivar; van Yperen, Anna Elisabeth; Indrevær, Kjetil (Peer reviewed; Journal article, 2020)A transition from supradetachment to rift basin signature is recorded in the ~1,500 m thick succession of continental to shallow marine conglomerates, mixed carbonate‐siliciclastic shallow marine sediments and carbonate ... -
The Svalbard Carboniferous to Cenozoic Composite Tectono-Stratigraphic Element
Olaussen, Snorre; Grundvåg, Sten-Andreas; Senger, Kim; Anell, Ingrid; Betlem, Peter; Birchall, Thomas; Braathen, Alvar; Dallmann, Winfried Kurt; Jochmann, Malte Michel; Johannessen, Erik P.; Lord, Gareth Steven; Mørk, Atle; Osmundsen, Per Terje; Smyrak-Sikora, Aleksandra; Stemmerik, Lars (Journal article; Peer reviewed, 2022)The Svalbard Composite Tectono-Stratigraphic Element is located on the north-western corner of the Barents Shelf and comprises a Carboniferous to Pleistocene sedimentary succession. Due to Cenozoic uplift the succession ... -
Svalbard Composite Tectono-Sedimentary Element, Barents Sea
Olaussen, Snorre; Grundvåg, Sten-Andreas; Senger, Kim; Anell, Ingrid; Betlem, Peter; Birchall, Thomas; Braathen, Alvar; Dallmann, Winfried Kurt; Jochmann, Malte Michel; Johannessen, Erik P.; Lord, Gareth Steven; Mørk, Atle; Osmundsen, Per Terje; Smyrak-Sikora, Aleksandra; Stemmerik, Lars (Peer reviewed; Journal article, 2023)The Svalbard Composite Tectono-Sedimentary Element (SCTSE) is located on the northwestern corner of the Barents Shelf and comprises a Carboniferous–Pleistocene sedimentary succession. Due to Cenozoic uplift, the succession ...