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  1. Employees

Språkvelger

Norsk

Espen Torgersen

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Espen Torgersen

Associate Professor

espen.torgersen@ntnu.no
+4793456747 F419B Ankeret, Ålesund
ResearchGate Google Scholar
About Publications Teaching Outreach

About

My main research interest is structural geology. I am particularly focused on the integration of structural, geochronological and geochemical analyses to decipher the spatial and temporal evolution of exhumed deformation zones. Field work, using digital mapping techniques, is an important component of all my projects.

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2025

  • Dichiarante, Anna Maria; Redfield, Tim F.; Torgersen, Espen; Svendby, Anne Kathrine; Oye, Volker. (2025) Spectral analysis of topography as proxy for lineament analysis. Journal of Geophysical Research (JGR): Solid Earth
    Academic article

2022

  • Torgersen, Espen; Gabrielsen, Roy Helge; Ganerød, Morgan; van der Lelij, Roelant; Schönenberger, Jasmin; Nystuen, Johan Petter. (2022) Repeated brittle reactivations of a pre-existing plastic shear zone: combined K-Ar and <sup>40</sup>Ar-<sup>39</sup>Ar geochronology of the long-lived (>700 Ma) Himdalen-Orje Deformation Zone, SE Norway. Geological Magazine
    Academic article
  • Viola, Giulio; Musumeci, Giovanni; Mazzarini, Francesco; Tavazzani, Lorenzo; Curzi, Manuel; Torgersen, Espen. (2022) Structural characterization and K-Ar illite dating of reactivated, complex and heterogeneous fault zones: lessons from the Zuccale Fault, Northern Apennines. Solid Earth (SE)
    Academic article

2021

  • Ryan, Eric James; Papeschi, S.; Viola, G.; Musumeci, Giovanni; Mazzarini, Francesco; Torgersen, E.. (2021) Syn-Orogenic Exhumation of High-P Units by Upward Extrusion in an Accretionary Wedge: Insights From the Eastern Elba Nappe Stack (Northern Apennines, Italy). Tectonics
    Academic article

2019

  • Torgersen, Espen; Alsli, Lise Mariann Bolstad. (2019) Oppdag meteorittenes verden - Geologiens dag 2019. Familiearrangement
    Other presentation

2018

  • Flem, Belinda; Torgersen, Espen; Englmaier, Peter; Andersson, Malin; Finne, Tor Erik; Eggen, Ola Anfin. (2018) Response of soil C-and O-horizon and terrestrial moss samples to various lithological units and mineralization in southern Norway. Geochemistry: Exploration, Environment, Analysis
    Academic article
  • Viola, Giulio; Torgersen, Espen; Mazzarini, Francesco; Musumeci, Giovanni; van der Lelij, Roelant; Schönenberger, Jasmin. (2018) New Constraints on the Evolution of the Inner Northern Apennines by K‐Ar Dating of Late Miocene‐Early Pliocene Compression on the Island of Elba, Italy. Tectonics
    Academic article
  • Flem, Belinda; Eggen, Ola Anfin; Torgersen, Espen; Kongsvik, Marita Kjøsnes; Ottesen, Rolf Tore. (2018) Urban geochemistry in Kristiansand, Norway. Journal of Geochemical Exploration
    Academic article

2015

  • Bingen, Bernard; Solli, Arne; Viola, Giulio; Torgersen, Espen; Sandstad, Jan Sverre; Whitehouse, Martin J.. (2015) Geochronology of the palaeoproterozoic kautokeino greenstone belt, finnmark, Norway: Tectonic implications in a fennoscandia context. Norsk Geologisk Tidsskrift
    Academic article
  • Torgersen, Espen; Viola, Giulio; Sandstad, Jan Sverre; Stein, Holly J.; Zwingmann, Horst; Hannah, Judith L.. (2015) Effects of frictional-viscous oscillations and fluid flow events on the structural evolution and Re-Os pyrite-chalcopyrite systematics of Cu-rich carbonate veins in northern Norway. Tectonophysics
    Academic article
  • Torgersen, Espen; Viola, Giulio; Sandstad, Jan Sverre. (2015) Revised structure and stratigraphy of the northwestern Repparfjord Tectonic Window, northern Norway. Norsk Geologisk Tidsskrift
    Academic article
  • Torgersen, Espen; Viola, Giulio; Zwingmann, Horst; Harris, C. (2015) Erratum to: Structural and temporal evolution of a reactivated brittle-ductile fault - Part II: Timing of fault initiation and reactivation by K-Ar dating of synkinematic illite/muscovite. Earth and Planetary Science Letters
    Errata
  • Torgersen, Espen; Viola, Giulio; Zwingmann, Horst; Henderson, Iain. (2015) Inclined K-Ar illite age spectra in brittle fault gouges: Effects of fault reactivation and wall-rock contamination. Terra Nova
    Academic article
  • Torgersen, Espen; Viola, Giulio; Zwingmann, Horst; Harris, C. (2015) Erratum to 'Structural and temporal evolution of a reactivated brittle-ductile fault - Part II: Timing of fault initiation and reactivation by K-Ar dating of synkinematic illite/muscovite' [Earth Planet. Sci. Lett. 407 (2014) 221-233]. Earth and Planetary Science Letters
    Errata

2014

  • Torgersen, Espen; Viola, Giulio; Zwingmann, Horst; Harris, Chris. (2014) Structural and temporal evolution of a reactivated brittle–ductile fault–Part II: Timing of fault initiation and reactivation by K–Ar dating of synkinematic illite/muscovite. Earth and Planetary Science Letters
    Academic article
  • Torgersen, Espen; Viola, Giulio. (2014) Structural and temporal evolution of a reactivated brittle–ductile fault–Part I: Fault architecture, strain localization mechanisms and deformation history. Earth and Planetary Science Letters
    Academic article

Journal publications

  • Dichiarante, Anna Maria; Redfield, Tim F.; Torgersen, Espen; Svendby, Anne Kathrine; Oye, Volker. (2025) Spectral analysis of topography as proxy for lineament analysis. Journal of Geophysical Research (JGR): Solid Earth
    Academic article
  • Torgersen, Espen; Gabrielsen, Roy Helge; Ganerød, Morgan; van der Lelij, Roelant; Schönenberger, Jasmin; Nystuen, Johan Petter. (2022) Repeated brittle reactivations of a pre-existing plastic shear zone: combined K-Ar and <sup>40</sup>Ar-<sup>39</sup>Ar geochronology of the long-lived (>700 Ma) Himdalen-Orje Deformation Zone, SE Norway. Geological Magazine
    Academic article
  • Viola, Giulio; Musumeci, Giovanni; Mazzarini, Francesco; Tavazzani, Lorenzo; Curzi, Manuel; Torgersen, Espen. (2022) Structural characterization and K-Ar illite dating of reactivated, complex and heterogeneous fault zones: lessons from the Zuccale Fault, Northern Apennines. Solid Earth (SE)
    Academic article
  • Ryan, Eric James; Papeschi, S.; Viola, G.; Musumeci, Giovanni; Mazzarini, Francesco; Torgersen, E.. (2021) Syn-Orogenic Exhumation of High-P Units by Upward Extrusion in an Accretionary Wedge: Insights From the Eastern Elba Nappe Stack (Northern Apennines, Italy). Tectonics
    Academic article
  • Flem, Belinda; Torgersen, Espen; Englmaier, Peter; Andersson, Malin; Finne, Tor Erik; Eggen, Ola Anfin. (2018) Response of soil C-and O-horizon and terrestrial moss samples to various lithological units and mineralization in southern Norway. Geochemistry: Exploration, Environment, Analysis
    Academic article
  • Viola, Giulio; Torgersen, Espen; Mazzarini, Francesco; Musumeci, Giovanni; van der Lelij, Roelant; Schönenberger, Jasmin. (2018) New Constraints on the Evolution of the Inner Northern Apennines by K‐Ar Dating of Late Miocene‐Early Pliocene Compression on the Island of Elba, Italy. Tectonics
    Academic article
  • Flem, Belinda; Eggen, Ola Anfin; Torgersen, Espen; Kongsvik, Marita Kjøsnes; Ottesen, Rolf Tore. (2018) Urban geochemistry in Kristiansand, Norway. Journal of Geochemical Exploration
    Academic article
  • Bingen, Bernard; Solli, Arne; Viola, Giulio; Torgersen, Espen; Sandstad, Jan Sverre; Whitehouse, Martin J.. (2015) Geochronology of the palaeoproterozoic kautokeino greenstone belt, finnmark, Norway: Tectonic implications in a fennoscandia context. Norsk Geologisk Tidsskrift
    Academic article
  • Torgersen, Espen; Viola, Giulio; Sandstad, Jan Sverre; Stein, Holly J.; Zwingmann, Horst; Hannah, Judith L.. (2015) Effects of frictional-viscous oscillations and fluid flow events on the structural evolution and Re-Os pyrite-chalcopyrite systematics of Cu-rich carbonate veins in northern Norway. Tectonophysics
    Academic article
  • Torgersen, Espen; Viola, Giulio; Sandstad, Jan Sverre. (2015) Revised structure and stratigraphy of the northwestern Repparfjord Tectonic Window, northern Norway. Norsk Geologisk Tidsskrift
    Academic article
  • Torgersen, Espen; Viola, Giulio; Zwingmann, Horst; Harris, C. (2015) Erratum to: Structural and temporal evolution of a reactivated brittle-ductile fault - Part II: Timing of fault initiation and reactivation by K-Ar dating of synkinematic illite/muscovite. Earth and Planetary Science Letters
    Errata
  • Torgersen, Espen; Viola, Giulio; Zwingmann, Horst; Henderson, Iain. (2015) Inclined K-Ar illite age spectra in brittle fault gouges: Effects of fault reactivation and wall-rock contamination. Terra Nova
    Academic article
  • Torgersen, Espen; Viola, Giulio; Zwingmann, Horst; Harris, C. (2015) Erratum to 'Structural and temporal evolution of a reactivated brittle-ductile fault - Part II: Timing of fault initiation and reactivation by K-Ar dating of synkinematic illite/muscovite' [Earth Planet. Sci. Lett. 407 (2014) 221-233]. Earth and Planetary Science Letters
    Errata
  • Torgersen, Espen; Viola, Giulio; Zwingmann, Horst; Harris, Chris. (2014) Structural and temporal evolution of a reactivated brittle–ductile fault–Part II: Timing of fault initiation and reactivation by K–Ar dating of synkinematic illite/muscovite. Earth and Planetary Science Letters
    Academic article
  • Torgersen, Espen; Viola, Giulio. (2014) Structural and temporal evolution of a reactivated brittle–ductile fault–Part I: Fault architecture, strain localization mechanisms and deformation history. Earth and Planetary Science Letters
    Academic article

UTSTILLING

  • Torgersen, Espen; Alsli, Lise Mariann Bolstad. (2019) Oppdag meteorittenes verden - Geologiens dag 2019. Familiearrangement
    Other presentation

Teaching

Courses

  • BYGT2001 - Geoteknikk
  • BYGG2001 - Geoteknikk
  • BYGA2001 - Geoteknikk

Outreach

2024

  • Poster
    Torgersen, Espen; Arctander, Karoline; Redfield, Tim F.; Svendby, Anne Kathrine; Dichiarante, Anna Maria; Mari Lie, Arntsen. (2024) Are all lineaments the surface expression of faults and fractures? – A novel analysis using tunnel face mapping data from Norwegian road tunnels. EGU EGU General Assembly 2024 , Wien 2024-04-14 - 2024-04-19
  • Poster
    Dichiarante, Anna Maria; Redfield, Tim F.; Torgersen, Espen; Svendby, Anne Kathrine; Oye, Volker. (2024) Spectral analysis as proxy for lineament spatial distribution: validation and case study. EGU EGU General Assembly 2024 , Wien 2024-04-14 - 2024-04-19
  • Poster
    Svendby, Anne Kathrine; Torgersen, Espen; Redfield, Tim F.; Dichiarante, Anna Maria; Arctander, Karoline. (2024) Lineament analysis for characterizing regional fracture system – A case study from the Oslo region, Norway. EGU EGU General Assembly 2024 , Wien 2024-04-14 - 2024-04-19
  • Poster
    Redfield, Tim F.; Torgersen, Espen; Svendby, Anne Kathrine; Fabian, Karl Wilhelm Johannes; Dichiarante, Anna Maria; Oye, Volker. (2024) Some thoughts on the usefulness of Lineament Maps. EGU EGU General Assembly 2024 , Wien 2024-04-14 - 2024-04-19

2021

  • Poster
    Torgersen, Espen; Arntsen, Mari Lie; Bingen, Bernard; Gasser, Deta; Gunleiksrud, Ida Hilde; Nilsson, Caroline. (2021) Nytt kart over Norges berggrunn 1:1,350,000 - forhåndsvisning . Norsk Geologisk Forening Norsk Geologisk Forening Vinterkonferanse , digital 2021-01-06 - 2021-01-08
  • Academic lecture
    Torgersen, Espen; Redfield, Thomas Fitzmaurice; Svendby, Anne Kathrine; Fabian, Karl. (2021) Hva skal vi med et lineamentkart?. Norsk forening for fjellsprengningsteknikk (NFF) Fjellsprengningskonferansen, Bergmekanikkdagen , Oslo 2021-11-25 - 2021-11-26

2020

  • Poster
    Dichiarante, Anna Maria; Köhler, Andreas; Oye, Volker; Ghione, Federica; Mæland, Steffen; Redfield, Thomas Fitzmaurice. (2020) Towards real-time monitoring and multi-risk assessment using seismic/acoustic and remote sensing data in the Oslo region. Nordic Geological Winter Meeting 2020 2020-01-08 - 2020-01-10

2019

  • Academic lecture
    Torgersen, Espen; Lutro, Ole; Solli, Arne; Gasser, Deta; Svendby, Anne Katrine; Bingen, Bernard. (2019) Towards a modern 1:250 000 national bedrock map database. Geological Society of Norway 33rd Geological Winter Meeting , Bergen 2019-01-07 - 2019-01-09

2018

  • Academic lecture
    Torgersen, Espen; Bingen, Bernard; Ganerød, Morgan. (2018) Tectonic basement slices in the décollement of the Scandinavian Caledonides: transition from thin-skinned to thick-skinned tectonics in collisional orogens. European Geophysical Union EGU General Assembly , Wien 2018-04-04 - 2018-04-13
  • Poster
    Torgersen, Espen; Henderson, Iain H.C.; Bingen, Bernard; Svendby, Anne Katrine; Nasuti, Aziz. (2018) The Nisser Shear Zone – Discovery of a Sveconorwegian crustal - scale detachment zone in southern Norway. Geological Society of Danmark 33rd Nordic Geological Winter Meeting , Copenhagen 2018-01-10 - 2018-01-12

2017

  • Academic lecture
    Torgersen, Espen; Viola, Giulio; Sandstad, Jan Sverre; Melezhik, Victor. (2017) Structure, stratigraphy and age of the Repparfjord volcano–sedimentary succession, northern Norway; a revised geological framework of the sediment-hosted Nussir Cu-deposit. NGF 32nd Geological Winter Meeting , Oslo 2017-01-09 - 2017-01-11
  • Lecture
    Heldal, Tom; Solli, Arne; Torgersen, Espen. (2017) Using bedrock geology for making ecological base maps. European geologiclal union EGU General Assembly 2017 , Wien 2017-04-23 - 2017-04-28
  • Academic lecture
    Torgersen, Espen; Viola, Giulio. (2017) Evidences of Silurian dextral transpression in the Scandinavian Caledonides. European geologiclal union EGU General Assembly 2017 , Wien 2017-04-23 - 2017-04-28
  • Poster
    Viola, Giulio; Torgersen, Espen; Mazzarini, Francesco; Musumeci, Giovanni; Garofalo, Paolo Stefano; van der Lelij, Roelant. (2017) Direct dating of Late Miocene-Early Pliocene compression on Elba Island: Is a new paradigm necessary for the opening of the Northern Tyrrhenian Sea?. European geologiclal union EGU General Assembly 2017 , Wien 2017-04-23 - 2017-04-28

2014

  • Academic lecture
    Kjøll, Hans Jørgen; Torgersen, Espen; Viola, Giulio. (2014) Caledonian shortening by combined folding and thrusting in the immediate footwall of the Caledonian sole thrust: The example of the Repparfjord Tectonic Window, northern Norway. EGU General Assembly 2014 , Wien 2014-04-27 - 2014-05-02
  • Academic lecture
    Torgersen, Espen; Sandstad, Jan Sverre; Viola, Giulio; Melezhik, Victor. (2014) Paleoproterozoic sediment-hosted Cu-deposits in western Finnmark, northern Norway. NGF The Arctic Days Conference 2014 , Tromsø 2014-06-02 - 2014-06-06
  • Academic lecture
    Torgersen, Espen; Viola, Giulio. (2014) Architecture of a dolostone-hosted brittle-ductile fault: effects of the interplay between weakening and strain localization mechanisms. EGU General Assembly 2014 , Wien 2014-04-27 - 2014-05-02

2013

  • Academic lecture
    Torgersen, Espen; Viola, Giulio; Sandstad, Jan Sverre; Stein, Holly. (2013) Structural constraints on the formation of Cu-rich mesothermal vein deposits in the Repparfjord Tectonic Window, northern Norway. Society of Geology Applied to Mineral Deposits SGA biennial conference , Uppsala 2013-08-12 - 2013-08-15
  • Poster
    Torgersen, Espen; Viola, Giulio; Sandstad, Jan Sverre; Smeplass, Håvard. (2013) Structurally controlled copper mineralizations in the Paleoproterozoic Repparfjord Tectonic Window, Northern Norway. European Geosciences Union EGU General Assembly , Wien 2013-04-07 - 2013-04-12
  • Academic lecture
    Torgersen, Espen; Viola, Giulio; Zwingmann, Horst. (2013) How can K-Ar geochronology of clay-size mica/illite help constrain reactivation histories of brittle faults? An example from a Paleozoic thrust fault in Northern Norway. European Geosciences Union EGU General Assembly , Wien 2013-04-07 - 2013-04-12

2012

  • Popular scientific lecture
    Bunkholt, Ingjerd; Torgersen, Espen. (2012) Alle vil ha gråstein. NTNU Researchers Night (Forskningsdagene) , NTNU 2012-09-28 - 2012-09-28

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