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Steinar Løve Ellefmo

Steinar Løve Ellefmo

Professor
Department of Geoscience and Petroleum
Faculty of Engineering

steinar.ellefmo@ntnu.no
+4773594856 +4790507125 Petroleumsteknisk senter, 326, Valgrinda, S.P. Andersensvei 15a
ResearchGate Google Scholar
About Publications Teaching Media

About

CV

MSc in resource geology, 1999. 

Dr. ing in technical resource geology, 2005.

Working with 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

 

Competencies

  • Applied mathematics
  • Deep sea mining
  • Geostatistics
  • Marine minerals
  • Mineral production
  • Mineral resources engineering
  • Mining
  • Other geosciences
  • Other subjects within rock and petroleum sciences
  • Resource geology

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2021

  • Ellefmo, Steinar Løve; Kuhn, Thomas. (2021) Application of Soft Data in Nodule Resource Estimation. Natural Resources Research. volum 30 (2).
    Academic article

2020

  • Ellefmo, Steinar Løve; Nehring, Micah; Breivik, Torkjell; Ballantyne, Julie. (2020) M3G : Music as a Metaphor in Mining Geostatistics. In The Trenches. volum 10 (3).
    Popular scientific 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. volum 149.
    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. volum 134.
    Academic article

2019

  • 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. volum 114 (8).
    Academic article
  • Ellefmo, Steinar Løve; Søreide, Fredrik. (2019) Quantifying the Unknown. Marine Mineral Resource Potential on the Norwegian Extended Continental Shelf. Cappelen Damm Akademisk. 2019. ISBN 978-82-02-65035-3.
    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. volum 109.
    Errata
  • 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. volum 28 (3).
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2019) Prospectivity Mapping of Mineral Deposits in Northern Norway Using Radial Basis Function Neural Networks. Minerals. volum 9 (2).
    Academic article

2018

  • 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. volum 57 (5).
    Academic 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. volum 209.
    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. volum 95.
    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. volum 102.
    Academic article
  • Lang, Aleksandra Maria; Ellefmo, Steinar Løve; Aasly, Kurt. (2018) Geometallurgical Flowsheet as a Tool for Designing and Communicating Geometallurgical Programs. Minerals. volum 8 (9).
    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. volum 116.
    Academic article
  • Lesage, Maxime; Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2018) Economic block model development for mining seafloor massive sulfides. Minerals. volum 8 (10).
    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. volum 8 (8).
    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. volum 8 (9).
    Academic article

2016

  • 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; Malmquist, Christian; Nornes, Stein Melvær; Reimers, Hauke; Paulsen, Emil; Sture, Øystein. (2016) NTNU Cruise reports 2016 no 1 - MarMine cruise report Arctic Mid-Ocean Ridge 15.08.2016 - 05.09.2016. 2016. NTNU Cruise reports (1).
    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. 2015.
    Report

2014

  • Aasly, Kurt; Ellefmo, Steinar Løve. (2014) Geometallurgy applied to industrial minerals operations. Mineralproduksjon.
    Academic article

2013

  • Eidsvik, Jo; Ellefmo, Steinar Løve. (2013) The Value of Information in Mineral Exploration Within a Multi-Gaussian Framework. Mathematical Geosciences. volum 45 (7).
    Academic article
  • Ellefmo, Steinar Løve. (2013) Utfordringer knyttet til statistisk analyse av komposittdata. Mineralproduksjon. volum 4.
    Article

2012

  • Blachowski, Jan; Ellefmo, Steinar Løve. (2012) NUMERICAL MODELLING OF ROCK MASS DEFORMATION IN SUBLEVEL CAVING MINING SYSTEM. Acta geodynamica et geomaterialia. volum 9 (3).
    Academic article

2011

  • 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. volum 8 (3).
    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. 2005. ISBN 82-471-7001-9.
    Doctoral dissertation
  • 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. volum 15.
    Academic article

Journal publications

  • Ellefmo, Steinar Løve; Kuhn, Thomas. (2021) Application of Soft Data in Nodule Resource Estimation. Natural Resources Research. volum 30 (2).
    Academic article
  • Ellefmo, Steinar Løve; Nehring, Micah; Breivik, Torkjell; Ballantyne, Julie. (2020) M3G : Music as a Metaphor in Mining Geostatistics. In The Trenches. volum 10 (3).
    Popular scientific 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. volum 149.
    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. volum 134.
    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. volum 114 (8).
    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. volum 109.
    Errata
  • 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. volum 28 (3).
    Academic article
  • Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2019) Prospectivity Mapping of Mineral Deposits in Northern Norway Using Radial Basis Function Neural Networks. Minerals. volum 9 (2).
    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. volum 57 (5).
    Academic 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. volum 209.
    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. volum 95.
    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. volum 102.
    Academic article
  • Lang, Aleksandra Maria; Ellefmo, Steinar Løve; Aasly, Kurt. (2018) Geometallurgical Flowsheet as a Tool for Designing and Communicating Geometallurgical Programs. Minerals. volum 8 (9).
    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. volum 116.
    Academic article
  • Lesage, Maxime; Juliani, Cyril Jerome; Ellefmo, Steinar Løve. (2018) Economic block model development for mining seafloor massive sulfides. Minerals. volum 8 (10).
    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. volum 8 (8).
    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. volum 8 (9).
    Academic article
  • Aasly, Kurt; Ellefmo, Steinar Løve. (2014) Geometallurgy applied to industrial minerals operations. Mineralproduksjon.
    Academic article
  • Eidsvik, Jo; Ellefmo, Steinar Løve. (2013) The Value of Information in Mineral Exploration Within a Multi-Gaussian Framework. Mathematical Geosciences. volum 45 (7).
    Academic article
  • Ellefmo, Steinar Løve. (2013) Utfordringer knyttet til statistisk analyse av komposittdata. Mineralproduksjon. volum 4.
    Article
  • Blachowski, Jan; Ellefmo, Steinar Løve. (2012) NUMERICAL MODELLING OF ROCK MASS DEFORMATION IN SUBLEVEL CAVING MINING SYSTEM. Acta geodynamica et geomaterialia. volum 9 (3).
    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. volum 8 (3).
    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. volum 15.
    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. 2019. ISBN 978-82-02-65035-3.
    Academic monograph

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; Malmquist, Christian; Nornes, Stein Melvær; Reimers, Hauke; Paulsen, Emil; Sture, Øystein. (2016) NTNU Cruise reports 2016 no 1 - MarMine cruise report Arctic Mid-Ocean Ridge 15.08.2016 - 05.09.2016. 2016. NTNU Cruise reports (1).
    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. 2015.
    Report
  • Ellefmo, Steinar Løve; Ludvigsen, Erik Stabell. (2005) From deposit to product. A probabilistic approach to the value chain of underground iron ore mining. 2005. ISBN 82-471-7001-9.
    Doctoral dissertation

Teaching

Courses

  • TGB4266 - Tectonics
  • TGB4255 - Mineral Resource Management, Advanced Course
  • TGB4232 - Resource Geology
  • TGB4950 - Mineral Production and Resource Geology, Master's Thesis
  • TGB4246 - Mining Engineering, Advanced Course
  • GEOL3095 - Master's Thesis in Geology
  • TGB4585 - Mineral Production and Resource Geology, Specialization Course
  • GEOL3093 - Special Course for the Master's Thesis
  • GEOL3092 - Special Course for the Master's Thesis
  • TGB4580 - Mineral Production and Resource Geology, Specialization Project
  • GEOL1005 - Geometallurgy
  • GB8410 - Resource Geology
  • TGB4856 - Experts in Teamwork - Minerals in the green shift
  • GB8407 - Information Technology for Mineral Extraction
  • TGB4228 - Deep Sea Mining
  • TGB4216 - Mineral Resource Management, Basic Course

Media

2021

  • Academic lecture
    Ellefmo, Steinar Løve. (2021) Estimation of yet-to-find resources and mining system overview. OSEG Seminar on Deep Sea Exploration and Mining . Oslo Society of Exploration Geophysicists; Oslo. 2021-11-24 - 2021-11-24.
  • Academic lecture
    Ellefmo, Steinar Løve. (2021) Updating the Unknown. NCS Exploration – Deep Sea Minerals . Geopublishing; Bergen. 2021-10-19 - 2021-10-21.

2020

  • Lecture
    Ellefmo, Steinar Løve; Lange, Felix; Lesage, Maxime. (2020) Exploration Systems for Seafloor Massive Sulfides (SMS) – A Conceptual Design. Underwater Mining Conference 2020 . International Marine Minerals Society; St. Petersburg Florida / Online. 2020-09-27 - 2020-10-02.
  • Lecture
    Thoresen, Sverre Paulsen; Ellefmo, Steinar Løve; Li, Charlie Chunlin. (2020) Dagbruddstabilitet i Norcem Kjøpsvik. Fjellsprengningsdagen 2020 . Norsk forening for fjellsprengningsteknikk; Oslo / online. 2020-11-26 - 2020-11-27.

2017

  • Academic lecture
    Ellefmo, Steinar Løve; Ludvigsen, Martin; Erik Kristian Thon, Frismanslund. (2017) Full cycle resource evaluation of SMS deposits along the Arctic Mid Ocean Ridge. The International Conference on Ocean, Offshore and Arctic Engineering . American Society of Mechanical Engineers; Trondehim. 2017-06-25 - 2017-06-30.
  • Academic 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 . IAMG; Perth,. 2017-09-02 - 2017-09-09.
  • 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 ; 2017-09-24 - 2017-09-29.
  • 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' . MEI; Cape Town. 2017-03-20 - 2017-03-22.

2010

  • Academic 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 ; Třešť. 2010-11-04 - 2010-11-06.
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