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Steinar Løve Ellefmo

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Steinar Løve Ellefmo

Professor
Department of Geoscience
Faculty of Engineering

steinar.ellefmo@ntnu.no
+4773594856 +4790507125 Petroleumsteknisk senter Valgrinda, Trondheim. 5. etasje, rom 534
ResearchGate Google Scholar
About Publications Teaching Outreach

About

CV

MSc in resource geology, 1999. 

Dr. ing in technical resource geology, 2005.

Working with mineral resource assessment and 3D modelling of geodata. Include both geometric and qualimetric (mathematical geoscience and geostatistics) modelling of regional and local geology (deposit scale).

Uses GeoX, Matlab, Isatis, Leapfrog, Surpac, Datamine (CAE Mining) and MicroStation. 

Ongoing activities:

Deep Sea Mining Pilot

TripleDeep

Geminisenter. Deep Sea Mining

Competencies

  • Deep sea mining
  • Geostatistics
  • Marine minerals
  • Mineral production
  • Mineral resource Management (Mineralressursforvaltning)
  • Mining
  • Resource geology

Publications

  • Chronological
  • By category
  • All publications registered in NVA

2025

  • Fichler, Christine Susanne Carola; Larsen, Rune B.; Sørensen, Bjørn Eske; Ellefmo, Steinar Løve. (2025) Initial search for lithium-rich brines in sedimentary basins of the Norwegian Barents Sea shelf integrating geology, geophysics and seabed geochemistry. Norwegian Journal of Geology
    Academic article
  • Sinding-Larsen, Richard; Eidsvik, Jo; Ellefmo, Steinar Løve; Pyrcz, Michael J.. (2025) Introduction to the Special Issue: How do Big Data, AI, and ML Challenge Geostatistical and Bayesian Formalisms?. Mathematical Geosciences
    Academic article
  • Schmitt, Raoul Viktor Johannes; Lesage, Maxime Francois; Ellefmo, Steinar Løve. (2025) An economic block model-based framework to determine design requirements for ferromanganese crust mining systems. Marine georesources & geotechnology
    Academic article

2024

  • Ingulstad, Mats; Bakken, Torkild; Ellefmo, Steinar Løve; Johnsen, Geir; Hagspiel, Verena. (2024) Villedende om hypotetiske havbunnsmineraler?. Dagens næringsliv
    Commentary
  • Akyildiz, Ozge; Basarir, Hakan; Ellefmo, Steinar Løve. (2024) The development of a lithology prediction model using measurement while drilling data in a quartzite quarry. International Journal of Mining, Reclamation and Environment
    Academic article

2023

  • Blachowski, Jan; Ellefmo, Steinar Løve. (2023) Mining Ground Deformation Estimation Based on Pre-Processed InSAR Open Data—A Norwegian Case Study. Minerals
    Academic article
  • Blachowski, Jan; Dynowski, Aleksandra; Buczyńska, Anna; Ellefmo, Steinar Løve; Walerysiak, Natalia. (2023) Integrated Spatiotemporal Analysis of Vegetation Condition in a Complex Post-Mining Area: Lignite Mine Case Study. Remote Sensing
    Academic article
  • Dankel, Dorothy Jane; Aasly, Kurt; Caric, Hrvoje; Ellefmo, Steinar Løve; Gaspers, Anne; Hixson, Richard; Lloret, Josep; Oftebro, Thea Lurås; Sowman, Georgie J; Cowan, Emily Christine. (2023) Case studies of human activity in the Ocean-based economy.
    Academic chapter
  • Akyildiz, Ozge; Basarir, Hakan; Vezhapparambu, Veena Sajith; Ellefmo, Steinar Løve. (2023) MWD Data-Based Marble Quality Class Prediction Models Using ML Algorithms. Mathematical Geosciences
    Academic article
  • Solheim, Astrid Vamråk; Rauzy, Antoine Bertrand; Brett, Per Olaf; Ellefmo, Steinar Løve; Hatling, Tonje; Helmons, Rudolfus Lambertus Jacobus; Asbjørnslett, Bjørn Egil. (2023) Assessment of expected production of a deep-sea mining system: An integrated model-based systems engineering and discrete event simulation approach. Systems Engineering
    Academic article

2022

  • Ellefmo, Steinar Løve. (2022) Conceptual 3D Modeling and Direct Block Scheduling of a Massive Seafloor Sulfide Occurrence.
    Academic chapter
  • Ellefmo, Steinar Løve; Aberle-Malzahn, Nicole; Hagspiel, Verena; Ingulstad, Mats; Aasly, Kurt. (2022) Marine minerals' role in future holistic mineral resource management. Geological Society Special Publication
    Academic article
  • Tjåland, Egil; Ellefmo, Steinar Løve; Aasly, Kurt; Gjersvik, Tor Berge; Fichler, Christine. (2022) Oil and Gas Technologies as Key Elements for a Viable Deep Sea Mining Industry.
    Academic chapter
  • Solheim, Astrid Vamråk; Pettersen, Sigurd Solheim; Agis, Jose Jorge Garcia; Brett, Per Olaf; Asbjørnslett, Bjørn Egil; Erikstad, Stein Ove; Ellefmo, Steinar Løve. (2022) Early Stage Decisions in Marine Systems Design for Deep-Sea Mining. International Journal of Maritime Engineering
    Academic article
  • Galloway, Taryn Ann; Aasly, Kurt; Ellefmo, Steinar Løve; Fuentes, Daniela Orge; von der Leyen, Kaja; Skonhoft, Anders; Wold, Mads Fjeld. (2022) Økonomiske og sosiale virkninger av havbunnsmineralvirksomhet. Asplan Viak
    Research report

2021

  • Ellefmo, Steinar Løve; Kuhn, Thomas. (2021) Application of Soft Data in Nodule Resource Estimation. Natural Resources Research
    Academic article
  • Laugesen, Jens; Aasly, Kurt; Ellefmo, Steinar Løve. (2021) Teknologirappport Havbunnsmineraler, DNV rapport nr 1231487. DNV
    Research report

2020

  • Ellefmo, Steinar Løve; Nehring, Micah; Breivik, Torkjell; Ballantyne, Julie. (2020) M3G : Music as a Metaphor in Mining Geostatistics. In The Trenches
    Popular science article
  • Ellefmo, Steinar Løve; Aasly, Kurt; Ludvigsen, Martin; Søreide, Fredrik. (2020) Mineralutvinning på havbunnen?. Skipsrevyen
    Popular science article
  • Mena Silva, Camilo Andres; Ellefmo, Steinar Løve; Sandøy, Roar; Sørensen, Bjørn Eske; Aasly, Kurt. (2020) A neural network approach for spatial variation assessment – A nepheline syenite case study. Minerals Engineering
    Academic article
  • Lesage, Maxime; Ellefmo, Steinar Løve; Erikstad, Stein Ove. (2020) A framework for evaluating deep sea mining systems for seafloor massive sulphides deposits. NTNU
    Doctoral thesis
  • Ellefmo, Steinar Løve; Nehring, Micah. (2020) M3G - Music as a Metaphor in Mining Geostatistics. Initial development and first test run. NTNU
    Research report
  • Vezhapparambu, Veena Sajith; Ellefmo, Steinar Løve. (2020) Estimating the blast sill thickness using changepoint analysis of MWD data. International Journal of Rock Mechanics And Mining Sciences
    Academic article

2019

  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2019) Prospectivity Mapping of Mineral Deposits in Northern Norway Using Radial Basis Function Neural Networks. Minerals
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2019) Multi-scale Quantitative Risk Analysis of Seabed Minerals: Principles and Application to Seafloor Massive Sulfide Prospects. Natural Resources Research
    Academic article
  • Vezhapparambu, Veena Sajith; Ellefmo, Steinar Løve. (2019) Statistical analysis of MWD data in a geometallurgical perspective. Norges teknisk-naturvitenskapelige universitet
    Doctoral thesis
  • Ellefmo, Steinar Løve; Aasly, Kurt; Lang, Aleksandra Maria; Vezhapparambu, Veena Sajith; Mena Silva, Camilo Andres. (2019) Geometallurgical Concepts Used in Industrial Mineral Production. Economic Geology and The Bulletin of the Society of Economic Geologists
    Academic article
  • Ellefmo, Steinar Løve; Søreide, Fredrik. (2019) Quantifying the Unknown. Marine Mineral Resource Potential on the Norwegian Extended Continental Shelf. Cappelen Damm Akademisk
    Academic monograph
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2019) Corrigendum to "Resource assessment of undiscovered seafloor massive sulfide deposits on an Arctic mid-ocean ridge: Application of grade and tonnage models" (Ore Geology Reviews (2018) 102 (818?828), (S0169136818304372), (10.1016/j.oregeorev.2018.10.002)). Ore Geology Reviews
    Corrigendum

2018

  • Dumke, Ines; Nornes, Stein Melvær; Purser, Autun; Marcon, Yann; Ludvigsen, Martin; Ellefmo, Steinar Løve; Johnsen, Geir; Søreide, Fredrik. (2018) First hyperspectral imaging survey of the deep seafloor: High-resolution mapping of manganese nodules. Remote Sensing of Environment
    Academic article
  • Lang, Aleksandra Maria; Ellefmo, Steinar Løve; Aasly, Kurt. (2018) Geometallurgical Flowsheet as a Tool for Designing and Communicating Geometallurgical Programs. Minerals
    Academic article
  • Sajith Vezhapparambu, Veena; Eidsvik, Jo; Ellefmo, Steinar Løve. (2018) Rock Classification Using Multivariate Analysis of Measurement While Drilling Data: Towards a Better Sampling Strategy. Minerals
    Academic article
  • Tøgersen, Marte Kristine; Kleiv, Rolf Arne; Ellefmo, Steinar Løve; Aasly, Kurt. (2018) Mineralogy and texture of the Storforshei iron formation, and their effect on grindability. Minerals Engineering
    Academic article
  • Mena Silva, Camilo Andrés; Sørensen, Bjørn Eske; Aasly, Kurt; Ellefmo, Steinar Løve. (2018) Geometallurgical Approach to the Element-to-Mineral Conversion for the Nabbaren Nepheline Syenite Deposit. Minerals
    Academic article
  • Lang, Aleksandra; Aasly, Kurt; Ellefmo, Steinar Løve. (2018) Mineral characterization as a tool in the implementation of geometallurgy into industrial mineral mining. Minerals Engineering
    Academic article
  • Dumke, Ines; Ludvigsen, Martin; Ellefmo, Steinar Løve; Søreide, Fredrik; Johnsen, Geir; Murton, Bramley J.. (2018) Underwater Hyperspectral Imaging Using a Stationary Platform in the Trans-Atlantic Geotraverse Hydrothermal Field. IEEE Transactions on Geoscience and Remote Sensing
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2018) Probabilistic estimates of permissive areas for undiscovered seafloor massive sulfide deposits on an Arctic Mid-Ocean Ridge. Ore Geology Reviews
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2018) Resource Assessment of Undiscovered Seafloor Massive Sulfide Deposits on an Arctic Mid-Ocean Ridge: Application of grade and tonnage models. Ore Geology Reviews
    Academic article
  • Lesage, Maxime; Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2018) Economic block model development for mining seafloor massive sulfides. Minerals
    Academic article

2017

  • Ludvigsen, Martin; Søreide, Fredrik; Aasly, Kurt; Ellefmo, Steinar Løve; Zylstra, Michael; Pardey, Marshall. (2017) ROV based drilling for deep sea mining exploration.
    Academic chapter

2016

  • Ellefmo, Steinar Løve. (2016) MWD-workshop. Brønnøysund October 2016. Discussion sum-up and presentations. Department of geoscience and petroleum
    Research report
  • Ludvigsen, Martin; Aasly, Kurt; Ellefmo, Steinar Løve; Hilário, Ana; Ramirez-Llodra, Eva; Søreide, Fredrik Xander; Falcon-Suarez, Ismael; Juliani, Cyril Jerome; Kieswetter, Amanda; Lim, Anna. (2016) NTNU Cruise reports 2016 no 1 - MarMine cruise report Arctic Mid-Ocean Ridge 15.08.2016 - 05.09.2016. NTNU
    Research report

2015

  • Ramirez-Llodra, Eva; Bergstad, Odd Aksel; Kutti, Tina; Armstrong, Claire W.; Ellefmo, Steinar Løve; Heldal, Tom; Baker, Maria. (2015) ECOMINA - Ecosystem-based management for areas targeted by deep-sea mining in the Arctic: a pilot study. Final Report. NIVA. Report submitted to MIKON, Fram Centre.
    Research report

2014

  • Aasly, Kurt; Ellefmo, Steinar Løve. (2014) Geometallurgy applied to industrial minerals operations. Mineralproduksjon
    Academic article
  • Ellefmo, Steinar Løve; Søreide, Fredrik. (2014) Marine mineral resources in Norwegian waters; a survey of knowledge and research needs. Institutt for geologi og bergteknikk og institutt for marin teknologi
    Working paper

2013

  • Ellefmo, Steinar Løve. (2013) Utfordringer knyttet til statistisk analyse av komposittdata. Mineralproduksjon
    Professional article
  • Eidsvik, Jo; Ellefmo, Steinar Løve. (2013) The Value of Information in Mineral Exploration Within a Multi-Gaussian Framework. Mathematical Geosciences
    Academic article

2012

  • Blachowski, Jan; Ellefmo, Steinar Løve. (2012) NUMERICAL MODELLING OF ROCK MASS DEFORMATION IN SUBLEVEL CAVING MINING SYSTEM. Acta geodynamica et geomaterialia
    Academic article

2011

  • Ellefmo, Steinar Løve. (2011) Ressursestimering med analysedata av ulik kvalitet. Mineralproduksjon
    Academic article
  • Blachowski, Jan; Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2011) MONITORING SYSTEM FOR OBSERVATIONS OF ROCK MASS DEFORMATIONS CAUSED BY SUBLEVEL CAVING MINING SYSTEM. Acta geodynamica et geomaterialia
    Academic article

2009

  • Ellefmo, Steinar Løve; Eidsvik, Jo. (2009) Local and Spatial Joint Frequency Uncertainty and its Application to Rock Mass Characterisation. Rock Mechanics and Rock Engineering
    Academic article

2005

  • Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2005) From deposit to product. A probabilistic approach to the value chain of underground iron ore mining. NTNU
    Doctoral thesis
  • Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2005) Bringing Norwegian mine into world of bits and bytes - possibilities and pitfalls. Transactions of Nonferrous Metals Society of China
    Academic article

Journal publications

  • Fichler, Christine Susanne Carola; Larsen, Rune B.; Sørensen, Bjørn Eske; Ellefmo, Steinar Løve. (2025) Initial search for lithium-rich brines in sedimentary basins of the Norwegian Barents Sea shelf integrating geology, geophysics and seabed geochemistry. Norwegian Journal of Geology
    Academic article
  • Sinding-Larsen, Richard; Eidsvik, Jo; Ellefmo, Steinar Løve; Pyrcz, Michael J.. (2025) Introduction to the Special Issue: How do Big Data, AI, and ML Challenge Geostatistical and Bayesian Formalisms?. Mathematical Geosciences
    Academic article
  • Schmitt, Raoul Viktor Johannes; Lesage, Maxime Francois; Ellefmo, Steinar Løve. (2025) An economic block model-based framework to determine design requirements for ferromanganese crust mining systems. Marine georesources & geotechnology
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2019) Prospectivity Mapping of Mineral Deposits in Northern Norway Using Radial Basis Function Neural Networks. Minerals
    Academic article
  • Ellefmo, Steinar Løve; Kuhn, Thomas. (2021) Application of Soft Data in Nodule Resource Estimation. Natural Resources Research
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2019) Multi-scale Quantitative Risk Analysis of Seabed Minerals: Principles and Application to Seafloor Massive Sulfide Prospects. Natural Resources Research
    Academic article
  • Ellefmo, Steinar Løve. (2011) Ressursestimering med analysedata av ulik kvalitet. Mineralproduksjon
    Academic article
  • Aasly, Kurt; Ellefmo, Steinar Løve. (2014) Geometallurgy applied to industrial minerals operations. Mineralproduksjon
    Academic article
  • Ellefmo, Steinar Løve. (2013) Utfordringer knyttet til statistisk analyse av komposittdata. Mineralproduksjon
    Professional article
  • Dumke, Ines; Nornes, Stein Melvær; Purser, Autun; Marcon, Yann; Ludvigsen, Martin; Ellefmo, Steinar Løve; Johnsen, Geir; Søreide, Fredrik. (2018) First hyperspectral imaging survey of the deep seafloor: High-resolution mapping of manganese nodules. Remote Sensing of Environment
    Academic article
  • Ingulstad, Mats; Bakken, Torkild; Ellefmo, Steinar Løve; Johnsen, Geir; Hagspiel, Verena. (2024) Villedende om hypotetiske havbunnsmineraler?. Dagens næringsliv
    Commentary
  • Lang, Aleksandra Maria; Ellefmo, Steinar Løve; Aasly, Kurt. (2018) Geometallurgical Flowsheet as a Tool for Designing and Communicating Geometallurgical Programs. Minerals
    Academic article
  • Sajith Vezhapparambu, Veena; Eidsvik, Jo; Ellefmo, Steinar Løve. (2018) Rock Classification Using Multivariate Analysis of Measurement While Drilling Data: Towards a Better Sampling Strategy. Minerals
    Academic article
  • Eidsvik, Jo; Ellefmo, Steinar Løve. (2013) The Value of Information in Mineral Exploration Within a Multi-Gaussian Framework. Mathematical Geosciences
    Academic article
  • Ellefmo, Steinar Løve; Aberle-Malzahn, Nicole; Hagspiel, Verena; Ingulstad, Mats; Aasly, Kurt. (2022) Marine minerals' role in future holistic mineral resource management. Geological Society Special Publication
    Academic article
  • Blachowski, Jan; Ellefmo, Steinar Løve. (2012) NUMERICAL MODELLING OF ROCK MASS DEFORMATION IN SUBLEVEL CAVING MINING SYSTEM. Acta geodynamica et geomaterialia
    Academic article
  • Ellefmo, Steinar Løve; Nehring, Micah; Breivik, Torkjell; Ballantyne, Julie. (2020) M3G : Music as a Metaphor in Mining Geostatistics. In The Trenches
    Popular science article
  • Ellefmo, Steinar Løve; Aasly, Kurt; Ludvigsen, Martin; Søreide, Fredrik. (2020) Mineralutvinning på havbunnen?. Skipsrevyen
    Popular science article
  • Tøgersen, Marte Kristine; Kleiv, Rolf Arne; Ellefmo, Steinar Løve; Aasly, Kurt. (2018) Mineralogy and texture of the Storforshei iron formation, and their effect on grindability. Minerals Engineering
    Academic article
  • Mena Silva, Camilo Andrés; Sørensen, Bjørn Eske; Aasly, Kurt; Ellefmo, Steinar Løve. (2018) Geometallurgical Approach to the Element-to-Mineral Conversion for the Nabbaren Nepheline Syenite Deposit. Minerals
    Academic article
  • Blachowski, Jan; Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2011) MONITORING SYSTEM FOR OBSERVATIONS OF ROCK MASS DEFORMATIONS CAUSED BY SUBLEVEL CAVING MINING SYSTEM. Acta geodynamica et geomaterialia
    Academic article
  • Lang, Aleksandra; Aasly, Kurt; Ellefmo, Steinar Løve. (2018) Mineral characterization as a tool in the implementation of geometallurgy into industrial mineral mining. Minerals Engineering
    Academic article
  • Dumke, Ines; Ludvigsen, Martin; Ellefmo, Steinar Løve; Søreide, Fredrik; Johnsen, Geir; Murton, Bramley J.. (2018) Underwater Hyperspectral Imaging Using a Stationary Platform in the Trans-Atlantic Geotraverse Hydrothermal Field. IEEE Transactions on Geoscience and Remote Sensing
    Academic article
  • Blachowski, Jan; Ellefmo, Steinar Løve. (2023) Mining Ground Deformation Estimation Based on Pre-Processed InSAR Open Data—A Norwegian Case Study. Minerals
    Academic article
  • Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2005) Bringing Norwegian mine into world of bits and bytes - possibilities and pitfalls. Transactions of Nonferrous Metals Society of China
    Academic article
  • Ellefmo, Steinar Løve; Aasly, Kurt; Lang, Aleksandra Maria; Vezhapparambu, Veena Sajith; Mena Silva, Camilo Andres. (2019) Geometallurgical Concepts Used in Industrial Mineral Production. Economic Geology and The Bulletin of the Society of Economic Geologists
    Academic article
  • Solheim, Astrid Vamråk; Pettersen, Sigurd Solheim; Agis, Jose Jorge Garcia; Brett, Per Olaf; Asbjørnslett, Bjørn Egil; Erikstad, Stein Ove; Ellefmo, Steinar Løve. (2022) Early Stage Decisions in Marine Systems Design for Deep-Sea Mining. International Journal of Maritime Engineering
    Academic article
  • Blachowski, Jan; Dynowski, Aleksandra; Buczyńska, Anna; Ellefmo, Steinar Løve; Walerysiak, Natalia. (2023) Integrated Spatiotemporal Analysis of Vegetation Condition in a Complex Post-Mining Area: Lignite Mine Case Study. Remote Sensing
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2018) Probabilistic estimates of permissive areas for undiscovered seafloor massive sulfide deposits on an Arctic Mid-Ocean Ridge. Ore Geology Reviews
    Academic article
  • Ellefmo, Steinar Løve; Eidsvik, Jo. (2009) Local and Spatial Joint Frequency Uncertainty and its Application to Rock Mass Characterisation. Rock Mechanics and Rock Engineering
    Academic article
  • Mena Silva, Camilo Andres; Ellefmo, Steinar Løve; Sandøy, Roar; Sørensen, Bjørn Eske; Aasly, Kurt. (2020) A neural network approach for spatial variation assessment – A nepheline syenite case study. Minerals Engineering
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2019) Corrigendum to "Resource assessment of undiscovered seafloor massive sulfide deposits on an Arctic mid-ocean ridge: Application of grade and tonnage models" (Ore Geology Reviews (2018) 102 (818?828), (S0169136818304372), (10.1016/j.oregeorev.2018.10.002)). Ore Geology Reviews
    Corrigendum
  • Akyildiz, Ozge; Basarir, Hakan; Ellefmo, Steinar Løve. (2024) The development of a lithology prediction model using measurement while drilling data in a quartzite quarry. International Journal of Mining, Reclamation and Environment
    Academic article
  • Akyildiz, Ozge; Basarir, Hakan; Vezhapparambu, Veena Sajith; Ellefmo, Steinar Løve. (2023) MWD Data-Based Marble Quality Class Prediction Models Using ML Algorithms. Mathematical Geosciences
    Academic article
  • Solheim, Astrid Vamråk; Rauzy, Antoine Bertrand; Brett, Per Olaf; Ellefmo, Steinar Løve; Hatling, Tonje; Helmons, Rudolfus Lambertus Jacobus; Asbjørnslett, Bjørn Egil. (2023) Assessment of expected production of a deep-sea mining system: An integrated model-based systems engineering and discrete event simulation approach. Systems Engineering
    Academic article
  • Vezhapparambu, Veena Sajith; Ellefmo, Steinar Løve. (2020) Estimating the blast sill thickness using changepoint analysis of MWD data. International Journal of Rock Mechanics And Mining Sciences
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2018) Resource Assessment of Undiscovered Seafloor Massive Sulfide Deposits on an Arctic Mid-Ocean Ridge: Application of grade and tonnage models. Ore Geology Reviews
    Academic article
  • Lesage, Maxime; Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2018) Economic block model development for mining seafloor massive sulfides. Minerals
    Academic article

Books

  • Ellefmo, Steinar Løve; Søreide, Fredrik. (2019) Quantifying the Unknown. Marine Mineral Resource Potential on the Norwegian Extended Continental Shelf. Cappelen Damm Akademisk
    Academic monograph

Part of book/report

  • Ellefmo, Steinar Løve. (2022) Conceptual 3D Modeling and Direct Block Scheduling of a Massive Seafloor Sulfide Occurrence.
    Academic chapter
  • Tjåland, Egil; Ellefmo, Steinar Løve; Aasly, Kurt; Gjersvik, Tor Berge; Fichler, Christine. (2022) Oil and Gas Technologies as Key Elements for a Viable Deep Sea Mining Industry.
    Academic chapter
  • Ludvigsen, Martin; Søreide, Fredrik; Aasly, Kurt; Ellefmo, Steinar Løve; Zylstra, Michael; Pardey, Marshall. (2017) ROV based drilling for deep sea mining exploration.
    Academic chapter
  • Dankel, Dorothy Jane; Aasly, Kurt; Caric, Hrvoje; Ellefmo, Steinar Løve; Gaspers, Anne; Hixson, Richard; Lloret, Josep; Oftebro, Thea Lurås; Sowman, Georgie J; Cowan, Emily Christine. (2023) Case studies of human activity in the Ocean-based economy.
    Academic chapter

Report

  • Ellefmo, Steinar Løve. (2016) MWD-workshop. Brønnøysund October 2016. Discussion sum-up and presentations. Department of geoscience and petroleum
    Research report
  • Ellefmo, Steinar Løve; Søreide, Fredrik. (2014) Marine mineral resources in Norwegian waters; a survey of knowledge and research needs. Institutt for geologi og bergteknikk og institutt for marin teknologi
    Working paper
  • Ludvigsen, Martin; Aasly, Kurt; Ellefmo, Steinar Løve; Hilário, Ana; Ramirez-Llodra, Eva; Søreide, Fredrik Xander; Falcon-Suarez, Ismael; Juliani, Cyril Jerome; Kieswetter, Amanda; Lim, Anna. (2016) NTNU Cruise reports 2016 no 1 - MarMine cruise report Arctic Mid-Ocean Ridge 15.08.2016 - 05.09.2016. NTNU
    Research report
  • Laugesen, Jens; Aasly, Kurt; Ellefmo, Steinar Løve. (2021) Teknologirappport Havbunnsmineraler, DNV rapport nr 1231487. DNV
    Research report
  • Galloway, Taryn Ann; Aasly, Kurt; Ellefmo, Steinar Løve; Fuentes, Daniela Orge; von der Leyen, Kaja; Skonhoft, Anders; Wold, Mads Fjeld. (2022) Økonomiske og sosiale virkninger av havbunnsmineralvirksomhet. Asplan Viak
    Research report
  • Ramirez-Llodra, Eva; Bergstad, Odd Aksel; Kutti, Tina; Armstrong, Claire W.; Ellefmo, Steinar Løve; Heldal, Tom; Baker, Maria. (2015) ECOMINA - Ecosystem-based management for areas targeted by deep-sea mining in the Arctic: a pilot study. Final Report. NIVA. Report submitted to MIKON, Fram Centre.
    Research report
  • Ellefmo, Steinar Løve; Nehring, Micah. (2020) M3G - Music as a Metaphor in Mining Geostatistics. Initial development and first test run. NTNU
    Research report

Student thesis or dissertation

  • Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2005) From deposit to product. A probabilistic approach to the value chain of underground iron ore mining. NTNU
    Doctoral thesis
  • Vezhapparambu, Veena Sajith; Ellefmo, Steinar Løve. (2019) Statistical analysis of MWD data in a geometallurgical perspective. Norges teknisk-naturvitenskapelige universitet
    Doctoral thesis
  • Lesage, Maxime; Ellefmo, Steinar Løve; Erikstad, Stein Ove. (2020) A framework for evaluating deep sea mining systems for seafloor massive sulphides deposits. NTNU
    Doctoral thesis

Teaching

Courses

  • TGB4255 - Mineral Resource Management, Advanced Course
  • TGB4232 - Resource Geology
  • TGB4246 - Mining Engineering, Advanced Course
  • TGB4585 - Mineral Production and Resource Geology, Specialization Course
  • GEOL3095 - Master's Thesis in Geology
  • GEOL3093 - Special Course for the Master's Thesis
  • TGB4570 - Geotechnology, Specialization Project
  • GEOL1005 - Geometallurgy
  • GB8410 - Resource Geology
  • GB8407 - Information Technology for Mineral Extraction
  • TGB4945 - Geotechnology, Master's Thesis
  • GB8408 - Information Technology for Mineral Extraction
  • TGB4228 - Deep Sea Mining
  • TGB4216 - Mineral Resource Management, Basic Course

Outreach

2025

  • Conference lecture
    Ellefmo, Steinar Løve; Lesage, Maxime Francois. (2025) Developing an economic block model for a ferromanganese crust deposit within the Norwegian-Greenland Sea. Winter Conference 2025

2024

  • Feature article
    Ingulstad, Mats; Bakken, Torkild; Ellefmo, Steinar Løve; Johnsen, Geir; Hagspiel, Verena. (2024) Norge mangler kunnskap om gruvedrift i dyphavet.
  • Feature article
    Ingulstad, Mats; Bakken, Torkild; Johnsen, Geir; Ellefmo, Steinar Løve; Hagspiel, Verena. (2024) Norway needs to know much more before actually mining the deep sea.
  • Feature article
    Ingulstad, Mats; Bakken, Torkild; Ellefmo, Steinar Løve; Hagspiel, Verena; Johnsen, Geir. (2024) Feil på feil om gruvedrift på havbunnen - Stortingsmeldingen om gruvedrift på havbunnen holder ikke vann.

2023

  • Conference poster
    Ellefmo, Steinar Løve; Lesage, Maxime Francois. (2023) A conceptual design approach for a Co-rich crust extraction system. Underwater Minerals Conference 2023
  • Interview
    Haugan, Idun; Ellefmo, Steinar Løve; Carson, Siri Granum; Ingulstad, Mats. (2023) Researchers warn: The time is definitely not yet ripe to start deep sea mining.
  • Interview
    Haugan, Idun; Ellefmo, Steinar Løve; Carson, Siri Granum; Ingulstad, Mats. (2023) Forskere advarer: – Tiden er definitivt ikke moden nå for å starte mineralutvinning på havbunnen.
  • Interview
    Ellefmo, Steinar Løve; Carson, Siri Granum; Ingulstad, Mats; Haugan, Idun. (2023) Trenger mye mer kunnskap om mineralutvinning på havbunnen.

2022

  • Lecture
    Aasly, Kurt; Ellefmo, Steinar Løve. (2022) Mineralogical approach to mineral deposit properties. 83rd EAGE Annual Conference: Workshop 07 Offshore Mineral Exploration – The Quest
  • Conference lecture
    Lang, Aleksandra Maria; Ellefmo, Steinar Løve; Aasly, Kurt. (2022) Application of rebound hardness testing to assess spatial lithological and textural variations of calcite marble. Process Mineralogy ´22

2021

  • Lecture
    Ellefmo, Steinar Løve. (2021) Resource potential assessment - 3D geological modelling, Mining systems and Strategic Mine Planning. Lecture given to Indian Institute of Technology, Dhanbad, India
  • Lecture
    Ellefmo, Steinar Løve. (2021) Finansiering av gruveprosjekter. Minerallovutvalgsmøte
  • Conference lecture
    Ellefmo, Steinar Løve. (2021) Estimation of yet-to-find resources and mining system overview. OSEG Seminar on Deep Sea Exploration and Mining
  • Conference lecture
    Ellefmo, Steinar Løve. (2021) Updating the Unknown. NCS Exploration – Deep Sea Minerals
  • Conference lecture
    Ellefmo, Steinar Løve. (2021) Deep Sea Mining in the Arctic. North Pacific Arctic Conference 2021

2020

  • Lecture
    Ellefmo, Steinar Løve; Lange, Felix; Lesage, Maxime. (2020) Exploration Systems for Seafloor Massive Sulfides (SMS) – A Conceptual Design. Underwater Mining Conference 2020
  • Feature article
    Ellefmo, Steinar Løve; Aasly, Kurt; Søreide, Fredrik. (2020) Ligger vår fremtid på havdypet?.
  • Feature article
    Aasly, Kurt; Ellefmo, Steinar Løve. (2020) Gjenvinning er bare en liten del av løsningen.
  • Lecture
    Thoresen, Sverre Paulsen; Ellefmo, Steinar Løve; Li, Charlie Chunlin. (2020) Dagbruddstabilitet i Norcem Kjøpsvik. Fjellsprengningsdagen 2020

2019

  • Conference lecture
    Ellefmo, Steinar Løve; Juliani, Cyril Jerome; Sinding-Larsen, Richard. (2019) Methodology for quantifying the aggregated seafloor mineral resource potential along the mid-Atlantic ridge. NGF Winter Conference Bergen
  • Lecture
    Ellefmo, Steinar Løve; Juliani, Cyril Jerome; Snook, Ben; Drivenes, Kristian; Lesage, Maxime; Fard, Razieh Nejati; Dumais, Marie-Andrée; Thorsen, Mats Jørgen. (2019) Oceans Pilot Program on Deep-Sea Mining. WORKSHOP HAVBUNNSMINERALER
  • Conference lecture
    Ellefmo, Steinar Løve; Aasly, Kurt; Lang, Aleksandra Maria; Vezhapparambu, Veena Sajith; Mena Silva, Camilo Andres. (2019) Increased Recovery in the Norwegian Industrial Mineral Sector. Conference in Minerals Engineering
  • Lecture
    Ellefmo, Steinar Løve; Juliani, Cyril Jerome; Lesage, Maxime; Søreide, Fredrik; Sinding-Larsen, Richard. (2019) Norwegian marine mineral potential. Norsk forum for marine mineraler

2018

  • Lecture
    Mena Silva, Camilo Andrés; Aasly, Kurt; Sørensen, Bjørn Eske; Ellefmo, Steinar Løve; Sandøy, Roar. (2018) Influence of mineral chemistry and the impact in geometallurgy. Geometallurgy 2018
  • Feature article
    Schjølberg, Ingrid; Ellefmo, Steinar Løve; Carson, Siri Granum. (2018) Mineralutvinning på havbunnen.
  • Interview
    Ellefmo, Steinar Løve. (2018) Gruvedrift på havbunnen.
  • Conference lecture
    Ellefmo, Steinar Løve; Kuhn, Thomas. (2018) Towards an improved nodule resource estimation and classification using hard and soft data. 47th Underwater Mining Conference 2018
  • Lecture
    Juliani, Cyril Jerome; Lesage, Maxime; Ellefmo, Steinar Løve. (2018) Deep-sea minerals: Exploration risk, resource and value assessment. Asia-Pacific Deep Sea Mining Summit 2018
  • Conference lecture
    Søreide, Fredrik; Ellefmo, Steinar Løve. (2018) Marine minerals and Deep sea mining - a Norwegian perspective. Marine Minerals: A New Resource for the 21st Century

2017

  • Conference poster
    Tøgersen, Marte Kristine; Aasly, Kurt; Ellefmo, Steinar Løve; Kleiv, Rolf Arne. (2017) Mineralogy and texture of the Storforshei iron formation, and their effect on grindability. Process Mineralogy 17'
  • Lecture
    Mena Silva, Camilo Andrés; Aasly, Kurt; Ellefmo, Steinar Løve. (2017) Mineralogical characterization and testing of predefined geochemical domains in a geometallurgical perspective. IGP PhD Seminar
  • Conference lecture
    Mena Silva, Camilo Andrés; Aasly, Kurt; Ellefmo, Steinar Løve; Sandøy, Roar. (2017) Mineralogical characterization and testing of predefined geochemical domains in a geometallurgical perspective. Process Mineralogy 17
  • Conference lecture
    Ludvigsen, Martin; Søreide, Fredrik; Sture, Øystein; Aasly, Kurt; Ellefmo, Steinar Løve; Zylstra, Michael; Pardey, Marshall. (2017) ROV based drilling for deep sea mining exploration. Oceans 2017
  • Lecture
    Ellefmo, Steinar Løve; Aasly, Kurt; Kleiv, Rolf Arne; Ludvigsen, Martin; Søreide, Fredrik; Ramirez-Llodra, Eva. (2017) Subsea Mining - MarMine - Exploitation technologies for marine minerals on the extended Norwegian continental shelf. GeoNor
  • Conference lecture
    Ellefmo, Steinar Løve; Ludvigsen, Martin; Thon, Frismanslund Erik Kristian. (2017) Full cycle resource evaluation of SMS deposits along the Arctic Mid Ocean Ridge. The International Conference on Ocean, Offshore and Arctic Engineering
  • Conference lecture
    Sajith Vezhapparambu, Veena; Ellefmo, Steinar Løve. (2017) Change point analysis of MWD-data to detect the broken ground thickness in open pit mining. 18th annual conference IAMG-2017 2-9 september, Perth, Australia
  • Lecture
    Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2017) Methodologies for probabilistic estimates of offshore massive sulphide deposits. Norsk Geologisk Winter Conference 2017
  • Conference lecture
    Ellefmo, Steinar Løve; Sinding-Larsen, Richard; Juliani, Cyril Jerome; Lesage, Maxime; Frimanslund, Erik Kristian Thon. (2017) Uncertainty management and project commerciality evaluation in deep-sea mining. 46th Underwater Mining Conference 2017
  • Lecture
    Aasly, Kurt; Ellefmo, Steinar Løve; Kleiv, Rolf Arne; Ludvigsen, Martin; Ramirez-Llodra, Eva; Søreide, Fredrik. (2017) MarMine - Exploitation technologies for marine minerals on the extended Norwegian continental shelf. Norsk Geologisk Vinterkonferanse 2017
  • Lecture
    Søreide, Fredrik; Aasly, Kurt; Ellefmo, Steinar Løve; Ludvigsen, Martin. (2017) MarMine - Exploitation technologies for marine minerals on the extended Norwegian continental shelf. Seabed Mapping and Inspection 2017
  • Conference lecture
    Søreide, Fredrik; Ludvigsen, Martin; Aasly, Kurt; Ellefmo, Steinar Løve; Williamson, Mike. (2017) Low cost drilling for deep-sea minerals exploration. Underwater mining conference
  • Conference poster
    Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2017) Probabilistic Methodologies for Ocean Floor Characterization and Mineral Resource Estimates. IAMG 2017
  • Lecture
    Aasly, Kurt; Ellefmo, Steinar Løve; Kleiv, Rolf Arne; Ludvigsen, Martin; Ramirez-Llodra, Eva; Søreide, Fredrik. (2017) Deep Sea Mining @NTNU - The MarMine project and exploration cruise to the AMOR. Kick-off IV-fakultetet, NTNU
  • Conference lecture
    Lesage, Maxime; Ellefmo, Steinar Løve. (2017) Deep Sea Mining Feasibility: the Norwegian Case. Underwater Mining Conference
  • Conference lecture
    Lang, Aleksandra; Aasly, Kurt; Ellefmo, Steinar Løve. (2017) Mineral characterization as a tool in the implementation of geometallurgy into industrial mineral mining. PhD Seminar
  • Conference lecture
    Aasly, Kurt; Snook, Ben; Drivenes, Kristian; Ellefmo, Steinar Løve. (2017) Initial characterization of Seafloor Massive Sulfide Occurrences. Arctic Days 2017
  • Lecture
    Sajith Vezhapparambu, Veena; Ellefmo, Steinar Løve. (2017) Towards a specific geometallurgical flowsheet using the IDEF0 methodology. SGA 2017
  • Conference poster
    Mena Silva, Camilo Andrés; Aasly, Kurt; Ellefmo, Steinar Løve. (2017) SAMPLE SELECTION BASED ON PREDEFINED MULTIVARIATE GEOCHEMICAL DOMAINS. SGA 2017
  • Lecture
    Lang, Aleksandra; Aasly, Kurt; Ellefmo, Steinar Løve. (2017) Mineral characterization as a tool in the implementation of geometallurgy into industrial mineral mining. Process Mineralogy '17
  • Conference poster
    Snook, Ben; Drivenes, Kristian; Kowalczuk, Przemyslaw B.; Ellefmo, Steinar Løve; Kleiv, Rolf Arne; Aasly, Kurt. (2017) Initial assessment of mineralogical properties of a seafloor massive sulphide deposit at the Arctic Mid-Ocean Ridge. Underwater Mining Conference 2017

2016

  • Lecture
    Ellefmo, Steinar Løve; Aasly, Kurt; Mena Silva, Camilo Andres; Lang, Aleksandra Maria; Sajith Vezhapparambu, Veena. (2016) Geometallurgi. Definisjoner, eksempler og InRec. Høstmøtet 2016
  • Feature article
    Ludvigsen, Martin; Aasly, Kurt; Ellefmo, Steinar Løve. (2016) Gull på havbunnen?.
  • Conference poster
    Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2016) Probabilistic estimates of seafloor massive sulphide deposits along an Arctic Mid-Ocean Ridge: A multivariate approach for permissive tracts. Underwater Mining Conference
  • Interview
    Aasly, Kurt; Ellefmo, Steinar Løve. (2016) MarMine.
  • Conference poster
    Aasly, Kurt; Ellefmo, Steinar Løve; Juliani, Cyril Jerome; Kleiv, Rolf Arne; Ludvigsen, Martin; Ramirez-Llodra, Eva; Søreide, Fredrik Xander. (2016) MarMine - Exploitation technologies for marine minerals on the extended Norwegian continental shelf. Underwater Mining Conference 2016
  • Interview
    Aasly, Kurt; Ellefmo, Steinar Løve; Ludvigsen, Martin. (2016) På skattejakt til Jan Mayen.
  • Lecture
    Thornhill, Maria; Aasly, Kurt; Ludvigsen, Martin; Ellefmo, Steinar Løve; Ramirez-Llodra, Eva; Søreide, Fredrik. (2016) Minerals on the sea floor- MarMine project & expedition cruise to AMOR, Autumn 2016. ETP SMR General Meeting
  • Lecture
    Sajith Vezhapparambu, Veena; Ellefmo, Steinar Løve. (2016) Increased geometallurgical performance in industrial mineral operations through multivariate analysis of MWD data. InRec MWD workshop
  • Lecture
    Ellefmo, Steinar Løve; Aasly, Kurt; Mena Silva, Camilo Andres; Lang, Aleksandra Maria; Sajith Vezhapparambu, Veena. (2016) The use of geometallurgy for industrial minerals. With case studies. Short course in geometallurgy
  • Lecture
    Aasly, Kurt; Ellefmo, Steinar Løve. (2016) The Blue Nodules and other deep water projects: NTNU marine mineral activity overview. Hydrometallurgy seminar @NTNU
  • Lecture
    Aasly, Kurt; Ellefmo, Steinar Løve. (2016) Marine Mineraler - En av mange ressurser i havet. Rådgiverseminar ved NTNU

2015

  • Conference lecture
    Ellefmo, Steinar Løve; Sotiriou, Paul; Juliani, Cyril Jerome. (2015) A synthetic super analaogue for Mid-Atlantic Ridge seafloor massive sulphide deposits. SGA 2015
  • Conference lecture
    Ellefmo, Steinar Løve. (2015) Use and analysis of MWD-data to increase selectivity in an industrial mineral operation. IAMG 2015
  • Lecture
    Lang, Aleksandra; Ellefmo, Steinar Løve; Aasly, Kurt. (2015) Establishing the geometallurgical flow sheet for industrial mineral operations. SEG 2015 Conference
  • Lecture
    Ellefmo, Steinar Løve; Frimanslund, Erik Kristian Thon. (2015) MINERALUTVINNING PÅ HAVBUNNEN – UTOPI ELLER VIRKELIGHET?. Fjellsprengningsdagene 2015
  • Interview
    Ellefmo, Steinar Løve; Carson, Siri Granum; Haugan, Idun. (2015) – Vi kjenner månen bedre enn havbunnen.

2014

  • Conference lecture
    Aasly, Kurt; Ellefmo, Steinar Løve. (2014) Geometallurgy in the Industrial Mineral Sector. GEOMET 2014, London
  • Lecture
    Ellefmo, Steinar Løve; Søreide, Fredrik; Sinding-Larsen, Richard. (2014) Marine Minerals and Ocean Mining Potential in the North Atlantic - Results. UMI 2014
  • Lecture
    Aasly, Kurt; Ellefmo, Steinar Løve. (2014) Geometallurgy - challenges in the Norwegian mining industry. Conference in Minerals Engineering 2014
  • Lecture
    Søreide, Fredrik; Ellefmo, Steinar Løve. (2014) North Atlantic Marine Minerals and Ocean Mining Potential. The Deep Sea Mining Summit 2014
  • Conference lecture
    Ellefmo, Steinar Løve; Søreide, Fredrik. (2014) Mineral Resources on the Mid-Atlantic Ridge: Norway. 2nd Norwegian workshop on ocean floor mineral deposits
  • Conference lecture
    Ellefmo, Steinar Løve; Aasly, Kurt. (2014) Increased recovery in the Norwegian Mining industry by implementing the Geometallurgical concept - InRec. Vårmøtet 2014

2013

  • Conference lecture
    Søreide, Fredrik; Ellefmo, Steinar Løve. (2013) North Atlantic Marine Minerals and Ocean Mining Potential. Underwater Mining Institute
  • Lecture
    Søreide, Fredrik; Ellefmo, Steinar Løve. (2013) Marine mineralressurser i Norge - status og muligheter. Høstmøtet 2013: Fremtidens bergindustri

2012

  • Conference poster
    Ellefmo, Steinar Løve; Eidsvik, Jo. (2012) The value of imperfect borehole information in mineral resource evaluation. Geostat 2012
  • Conference lecture
    Jonsson, Kristina; Trinh, Nghia Quoc; Ellefmo, Steinar Løve. (2012) Monitoring at Rana Grubers Kvannevann Mine. Eurock 2012
  • Conference lecture
    Ellefmo, Steinar Løve. (2012) Policies, exploration activities and future mining in Norway. Promine Workshop, Nancy
  • Conference lecture
    Ellefmo, Steinar Løve. (2012) Recruitment activities in the Norwegian mining industry. SOMP Annual General Meeting
  • Lecture
    Ellefmo, Steinar Løve. (2012) Studentoppgaver ved IGB. Bergindustriens Høstmøte
  • Conference lecture
    Ludvigsen, Martin; Søreide, Fredrik; Ellefmo, Steinar Løve. (2012) Ocean mining activities at NTNU. 1st Norwegian Workshop on ocean floor metal deposits

2011

  • Lecture
    Ellefmo, Steinar Løve; Kleiv, Rolf Arne. (2011) IGBs forskningsfokus i MINFORSK. Bergindustriens Høstmøte
  • Conference lecture
    Ellefmo, Steinar Løve; Eidsvik, Jo. (2011) Fast detection of outliers and anomalies in joint frequency data. IAMG 2011

2010

  • Conference lecture
    Blachowski, Jan; Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2010) RESEARCH NETWORK FOR OBSERVATIONS OF ROCK MASS SURFACE DEFORMATIONS CAUSED BY SUBLEVEL CAVING MINING OF IRON OXIDE. 11th Czech-Polish Workshop on Recent Geodynamics of the Sudeten and Adjacent Areas

2009

  • Conference lecture
    Ellefmo, Steinar Løve. (2009) Automatisert 3D geologisk modellering. Vårmøte 2009
  • Conference lecture
    Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2009) Geological modelling in a Mineral Resource Management Perspective. Conference in Minerals Engineering

2008

  • Conference lecture
    Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell; Sandøy, Roar. (2008) Automated 3D geological modelling of mineral deposits. 33rd IGC

2007

  • Conference lecture
    Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2007) Implicit geological modelling. ISM 2007

2006

  • Conference lecture
    Ellefmo, Steinar Løve. (2006) Kombinert gruvedrift - dobbeltsporet verdiskaping. Nordisk mineralsymposium
  • Conference lecture
    Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2006) Surpac in Norway. Nordisk Gruvemålemøte 2006
  • Conference lecture
    Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell; Nøst, Børre; Lilleås, Jan-Erlend. (2006) Process analysis and identification of software requirements at Rana Gruber AS. Nordisk Gruvemålemøte 2006
  • Conference lecture
    Ellefmo, Steinar Løve. (2006) Underground quarrying in Bergen, Norway - an Alternative Method of Mining Rock. Queenland's 3rd Underground Space Workshop

2005

  • Conference lecture
    Kleiv, Rolf Arne; Thornhill, Maria; Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell; Sandøy, Roar. (2005) Geokjemisk kartlegging av agangsdeponiet på Storwartz. Det 14. seminar om hydrogeologi og miljøgeokjemi
  • Conference lecture
    Ellefmo, Steinar Løve. (2005) Nøkkelfaktorer som påvirker fremtidig lønnsomhet og vekst i norsk bergindustri. Bergindustriens Høstmøte 2005
  • Conference lecture
    Ellefmo, Steinar Løve. (2005) Kvantifisering av råstoffvariasjoner ved Rana Gruber AS. Bergindustriens Høstmøte 2005
  • Conference lecture
    Kleiv, Rolf Arne; Thornhill, Maria; Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2005) Geokjemisk kartlegging av avgangsdeponiet på Storwartz. Norsk Geologisk Forenings Vintermøte 2005

2004

  • Conference lecture
    Sandøy, Roar; Ludvigsen, Erik Stabell; Ellefmo, Steinar Løve. (2004) GIS for bergindustrien - 3D forekomstmodellering. Nordisk mineralsymposium 2004, Geologiske utfordringer i anleggsbransjen og bergindustrien
  • Lecture
    Ellefmo, Steinar Løve. (2004) From deposit to product. A probabilistic approach to the value chain of underground iron ore mining. 4th Annual Conference for Doctoral Candidates
  • Conference lecture
    Ludvigsen, Erik Stabell; Ellefmo, Steinar Løve; Sandøy, Roar. (2004) GIS for bergindustrien - Datafangst. Nordisk mineralsymposium 2004, Geologiske utfordringer i anleggsbransjen og bergindustrien
  • Conference lecture
    Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2004) Bringing a Norwegian mine into the world of bits and bytes. Possibilities and pitfalls. XII International Congress of International Society for Mine Surveying
  • Conference lecture
    Ellefmo, Steinar Løve; Sandøy, Roar; Ludvigsen, Erik Stabell. (2004) GIS for bergindustrien - Total usikkerhet og risiko. Nordisk mineralsymposium 2004, Geologiske utfordringer i anleggsbransjen og bergindustrien

2003

  • Lecture
    Ellefmo, Steinar Løve. (2003) From deposit to product; a probabilistic approach. [Mangler data]

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