• Helicopter-borne magnetic, electro-magnetic and radiometric geophysical survey in Verdal and Snåsa area, Trøndelag County 

  Ofstad, Frode; Dumais, Marie-Andrée; Tassis, Georgios; Wang, Ying (NGU-Rapport (2021.013), Report, 2022)

  This report describes and documents the acquisition, processing and visualization of the acquired datasets and presents them in maps. The geophysical survey consists of 8500 line-km data, covering an area of 1700 km2, ...

• Helicopter-borne magnetic, electro-magnetic and radiometric geophysical survey in Øksfjord peninsula, Troms and Finnmark Counties 

  Ofstad, Frode; Stampolidis, Alexandros (NGU-Rapport (2022.013), Report, 2022)

  NGU conducted an airborne geophysical survey in Øksfjord area, in Kvænangen, Loppa og Alta municipalities in Troms and Finnmark, as part of NGUs general airborne mapping program. The data acquisition in the Øksfjord area ...

• Helicopter-borne magnetic, electro-magnetic and radiometric geophysical survey in Byglandsfjorden area, Agder County 

  Ofstad, Frode; Kristiansen, Tom; Tassis, Georgios; Dumais, Marie-Andrée (NGU-Rapport (2022.014), Report, 2022)

  NGU conducted an airborne geophysical survey in Byglandsfjorden area, in Bygland, Åseral og Åmli municipalities in Agder County, as part of NGU’s general airborne mapping program. The data acquisition in Byglandsfjorden ...

• Tomographic inversion of synthetic refraction seismic data. Quality of inversion using various off-end shots, fracture zones depth, fracture zone velocity, soil thickness and hidden layer thickness 

  Rønning, Jan Steinar; Tassis, Georgios; Wisén, Roger; Toresson, Björn (NGU-Rapport (2020.044), Report, 2021)

  NGU has studied tomographic inversion of refraction seismic data using the Rayfract software for years. In the present work, the quality of location and characterisation of fracture zones in bedrock as well as the quality ...

• Sedimentologisk studie i forbindelse med arkeologisk utgraving i Kjøpmannsgata 36-38 (2019-2020) 

  Hansen, Louise (NGU-Rapport (2022.004), Report, 2022)

  Denne rapporten oppsummerer og tolker de sedimentologiske data som ble samlet inn hhv. 16\/10 og 4\/11 2019, samt 13\/1 og 18\/5 2020 i forbindelse med NIKUs arkeologiske utgraving i Kjøpmannsgata 36-38. De beskrevne ...

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