Department of Geochemistry

Research output

Research output per year 1990 2002 2003 2004 2005 2006 2007 2008 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2021 2024

• 602 Article
• 395 Report (publicly available)
• 171 Poster
• 134 Abstract in proceedings
• 229 More
  • 53 Abstract at conference
  • 47 Conference article in proceedings
  • 30 Institutional report
  • 18 Geological map or map description
  • 17 Chapter in book
  • 15 Chapter in report
  • 11 Abstract in journal
  • 9 Comment/debate
  • 9 Conference article in journal
  • 6 Book
  • 3 Editorial
  • 3 Thematic map or description
  • 2 Flyer or pamphlet
  • 2 Paper at conference
  • 2 Newspaper article or feature
  • 1 Entry for encyclopedia/dictionary
  • 1 Foreword/postscript

Research output per year

Research output per year

Search results

• 2024

  Danmarks Digitale Jordartskort 1:25.000. Version 7.0

  Andersen, L. T., Anthonsen, K. L. & Jakobsen, P. R., 16 Jan 2024, GEUS. 30 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 29, Vol. 2023).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Den geologiske kortlægning af Danmark. Feltrapport for jordartskortlægning i Thy, på Thyholm og Jegindø

  Granat, H. J., Andersen, L. T., Binderup, M. & Bennike, O., 3 Oct 2024, Copenhagen: GEUS. 116 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 28, Vol. 2024).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Diffus grundvandsforurening med trifluoreddikesyre (TFA)

  Albers, C. N., 7 Feb 2024, GEUS. 60 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 4, Vol. 2024).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Grundvand. Status og udvikling 1989-2022. Teknisk rapport

  Thorling, L. (Editor), Albers, C. N., Ditlefsen, C. B., Hansen, B., Johnsen, A. R., Kazmierczak, J., Mortensen, M. H. & Troldborg, L., 27 Feb 2024, GEUS. 148 p.

  Research output: Book/Report › Report (publicly available)

  Open Access

• Grundvandsovervågning. Resume. Status og udvikling 1989-2022

  Thorling, L. (Editor), Albers, C. N., Ditlefsen, C. B., Hansen, B., Johnsen, A. R., Kazmierczak, J., Mortensen, M. H. & Troldborg, L., 27 Feb 2024, GEUS. 19 p.

  Research output: Book/Report › Report (publicly available)

  Open Access

• Interkalibrering 2023: Grundvandsovervågningen

  Kazmierczak, J. & Thorling, L., 29 Jun 2024, København: GEUS. 38 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 22, Vol. 2024).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Modelling and mapping pesticide exposure risk at the catchment scale (MOMAPEST)

  Andersen, H. E., van’t Veen, S. G. M., Thodsen, H., Trolle, D., Sørensen, P. B., Bruus, M., Liu, W., Thorling, L. & Voutchkova, D., Mar 2024, Odense: Miljøstyrelsen. 104 p. (Pesticide Research; No. 221).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Surface Water 100%
  • Soil and Water Assessment Tool 100%
  • Risk Exposure 100%
  • Developmental Stage 50%
  • Aquatic Environment 50%

• Non-target screening som værktøj til risikoanalyser af grundvandstrusler?

  Bollmann, U. E., Kjøller, C., Badawi, N., Vidkjær, N. H. & Thorling, L., 19 Sept 2024, København: GEUS. 33 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 17, Vol. 2024).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Overvågning af grundvand over Stenlille naturgaslager, 1989 - 2023

  Albers, C. N., 29 Jan 2024, GEUS. 16 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 3, Vol. 2024).

  Research output: Book/Report › Report (publicly available)

  Open Access

• The Danish Pesticide Leaching Assessment Programme. Monitoring results May 1999 - June 2023

  Badawi, N., Karan, S., Haarder, E. B., Gudmundsson, L., Hansen, C. H., Olsen, L. A., Nielsen, C. B., Plauborg, F. & Kørup, K., 30 May 2024, Copenhagen: GEUS. 256 p. (The Danish Pesticide Leaching Assessment Programme).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Agricultural Management 100%
  • Drinking Water 100%
  • Decision Making 100%

• Varslingssystemet for udvaskning af pesticider til grundvand (VAP): Sammendrag af moniteringsresultater med fokus på juli 2021 - juni 2023

  Badawi, N., Karan, S., Haarder, E. B., Gudmundsson, L., Hansen, C. H., Olsen, L. A., Nielsen, C. B., Plauborg, F. & Kørup, K., 30 May 2024, København: GEUS. 14 p. (Varslingssystemet for udvaskning af pesticider til grundvand (VAP)).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Videreudvikling og klargøring af MetalStat for landsdækkende beregninger

  Sørensen, P. B., Damgaard, C. F., Bak, J. L., Andersen, H. E., Voutchkova, D., Sørensen, L. T., Bjerg, P. L. & Holm, P. E., Jun 2024, Aarhus Universitet DCE - Nationalt Center for Miljø og Energi. (Videnskabelig rapport fra DCE – Nationalt Center for Miljø og Energ; No. 606).

  Research output: Book/Report › Report (publicly available)

  Open Access
• 2023

  Ekstraordinær afrapportering af cyazofamid-test på VAP-marken i Jyndevad inklusiv understøttende laboratorieforsøg. Moniteringsperiode april 2020 til juni 2022

  Badawi, N. (Editor), Karan, S., Haarder, E. B., Bollmann, U. E., Albers, C. N. & Kørup, K., 31 Jan 2023, København: GEUS. 34 p. (Varslingssystemet for udvaskning af pesticider til grundvand (VAP)).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Filtrering af grundvandsprøver, afsmitning fra filtre. Test af udvalgte filtre og filtertyper til grundvandsovervågningen. Teknisk rapport

  Thorling, L., 20 Sept 2023, GEUS. 29 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 27, Vol. 2023).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Groundwater sampling: Technical guideline

  Thorling, L., Sept 2023, 2.1 ed. GEUS. 41 p.

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Control System 100%
  • Quality Control 100%
  • Water Framework Directive 100%
  • Technical Guideline 100%
  • Quality Analysis 33%

• Grundvand. Status og udvikling 1989–2021. Teknisk rapport

  Thorling, L. (Editor), Albers, C. N., Hansen, B., Johnsen, A. R., Kazmierczak, J., Mortensen, M. H., Møller, I. & Troldborg, L., 3 Mar 2023, GEUS. 233 p.

  Research output: Book/Report › Report (publicly available)

  Open Access

• Landovervågningsoplande 2021. NOVANA

  Blicher-Mathiesen, G., Thorsen, M., Houlborg, T., Petersen, R. J., Rolighed, J., Andersen, H. E., Jensen, P. G., Wienke, J., Hansen, B. & Thorling, L., Mar 2023, Aarhus: Aarhus Universitet. 287 p. (Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi; No. 526).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Overvågning af grundvand over Stenlille naturgaslager, 1989 - 2022

  Albers, C. N., 17 Jan 2023, København: GEUS. 16 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 3, Vol. 2023).

  Research output: Book/Report › Report (publicly available)

  Open Access

• PFAS-stoffer og pesticider i grundvand: Nationalt overblik 2023 til brug for InSa Drikkevand

  Johnsen, A. R., Albers, C. N. & Thorling, L., 8 Dec 2023, GEUS. 29 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 42, Vol. 2023).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Præstudie for lagring af saltvand fra Lille Torup kavernerne

  Mathiesen, A., Kristensen, L., Holmslykke, H. D., Weibel, R., Hjelm, L. & Nielsen, C. M., 11 Jul 2023, København: GEUS. 26 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 18, Vol. 2023).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Prøvetagning af grundvand. Teknisk anvisning

  Thorling, L., 22 Jun 2023, 2.1 ed. GEUS. 43 p.

  Research output: Book/Report › Report (publicly available)

  Open Access

• The Danish Pesticide Leaching Assessment Programme. Monitoring results May 1999 - June 2022

  Badawi, N., Karan, S., Haarder, E. B., Gudmundsson, L., Hansen, C. H., Nielsen, C. B., Plauborg, F. & Kørup, K., 28 Aug 2023, Copenhagen: GEUS. 293 p. (The Danish Pesticide Leaching Assessment Programme).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Agricultural Management 100%
  • Drinking Water 100%
  • Decision Making 100%

• Undersøgelse af anvendelsen af nitratfølsomme indvindingsområder (NFI) til brug for pesticidindsats: Demonstrationsprojekt for Partnerskabet for Bæredygtig Vandforsyning v. regions Sjælland og Danske Vandværker

  Thorling, L., Johnsen, A. R., Møller, I. & Voutchkova, D., 28 Feb 2023, GEUS. 120 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 4, Vol. 2023).

  Research output: Book/Report › Report (publicly available) › peer-review

  Open Access

• Varslingssystemet for udvaskning af pesticider til grundvand (VAP): Sammendrag af moniteringsresultater med fokus på juli 2020 - juni 2022

  Badawi, N., Karan, S., Haarder, E. B., Gudmundsson, L., Hansen, C. H., Nielsen, C. B., Plauborg, F. & Kørup, K., 28 Aug 2023, København: GEUS. 16 p. (Varslingssystemet for udvaskning af pesticider til grundvand (VAP)).

  Research output: Book/Report › Report (publicly available)

  Open Access
• 2022

  Capture, Storage and Use of CO2 (CCUS). CO2 leakage and effects on the chemistry of aquatic systems - monitoring and remediation

  Jakobsen, R., 1 Mar 2022, Copenhagen: GEUS. 28 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 39, Vol. 2020).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Capture, Storage and Use of CO2 (CCUS). Evaluation of the CO2 storage potential in Denmark. Vol.1: Report & Vol 2: Appendix A and B [Published as 2 separate volumes both with Series number 2020/46]

  Hjelm, L., Anthonsen, K. L., Dideriksen, K., Nielsen, C. M., Nielsen, L. H. & Mathiesen, A., 16 Mar 2022, Copenhagen: GEUS. 141 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 46, Vol. 2020).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Danmarks digitale jordartskort 1:25000. Version 6.0

  Jakobsen, P. R., Tougaard, L. & Anthonsen, K. L., 17 Feb 2022, København: GEUS. 30 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 68, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Den geologiske kortlægning af Danmark. Feltrapport 2020 for kortbladene 1214 IV NØ, 1215III SØ, 1215 II SV, 1215 III NØ og 1215 II NV

  Jakobsen, P. R., Granat, H. J. & Binderup, M., 3 Jan 2022, København: GEUS. 32 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 69, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Geochemical Data Collection in DEMO sites. MapField, 2020. Results from The Innovation Fund Denmark project: MapField – Field-scale mapping for targeted Nregulation and management (8855-00025B)

  Kim, H., Jakobsen, R., Aamand, J., Møller, I. & Hansen, B., 7 Dec 2022, Copenhagen: GEUS. 39 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 8, Vol. 2022).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Denmark 100%
  • Field Scale 100%
  • Geochemistry 100%
  • Nitrate Reduction 40%
  • Water Chemistry 20%

• Geochemical Data Collection in LOOP2. MapField, 2019-2020. Results from The Innovation Fund Denmark project: MapField – Field-scale mapping for targeted Nregulation and management (8855-00025B)

  Kim, H., Jakobsen, R., Aamand, J., Balling, I. & Hansen, B., 7 Dec 2022, Copenhagen: GEUS. 64 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 9, Vol. 2022).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Denmark 100%
  • Field Scale 100%
  • Geochemistry 100%
  • Nitrate Reduction 40%
  • Fieldwork 40%

• Geochemical Data Collection in LOOP3. MapField, 2019-2020. Results from The Innovation Fund Denmark project: MapField – Field-scale mapping for targeted Nregulation and management (8855-00025B)

  Kim, H., Jakobsen, R., Aamand, J., Møller, I. & Hansen, B., 7 Dec 2022, Copenhagen: GEUS. 49 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 10, Vol. 2022).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Denmark 100%
  • Field Scale 100%
  • Geochemistry 100%
  • Nitrate Reduction 40%
  • Borehole 20%

• Geochemical Data Collection in LOOP4. MapField, 2019-2020. Results from The Innovation Fund Denmark project: MapField – Field-scale mapping for targeted Nregulation and management (8855-00025B)

  Kim, H., Jakobsen, R., Aamand, J., Møller, I. & Hansen, B., 2022, Copenhagen: GEUS. 59 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 11, Vol. 2022).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Denmark 100%
  • Field Scale 100%
  • Geochemistry 100%
  • Nitrate Reduction 40%
  • Borehole 20%

• Geochemical Data Collection in LOOP6. MapField, 2019-2020. Results from The Innovation Fund Denmark project: MapField – Field-scale mapping for targeted Nregulation and management (8855-00025B)

  Kim, H., Jakobsen, R., Aamand, J., Møller, I. & Hansen, B., 7 Dec 2022, Copenhagen: GEUS. 51 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 12, Vol. 2022).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Denmark 100%
  • Field Scale 100%
  • Geochemistry 100%
  • Nitrate Reduction 40%
  • Borehole 20%

• Klitter og flyvesand. Sandflugtens historie i Nordsjælland. Udarbejdet for Nationalpark Kongernes Nordsjælland

  Binderup, M., 25 Mar 2022, København: GEUS. 45 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 75, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Land-use and landscape management: Chapter in INMS Report/UNECE Guidance document

  Dalgaard, T., Butterbach-Bahl, K., Durand, P., Hansen, B. G., Lukin, S., Moklyachuk, L., Pelster, D., Skiba, U. M. & Sutton, M. A., 2022, UK Center for Ecology and Hydrology 2022.

  Research output: Book/Report › Report (publicly available)

• Overvågning af grundvand over Stenlille naturgaslager, 1989 - 2021

  Albers, C. N., 2022, København: GEUS. 16 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 3, Vol. 2022).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark. Phase 1, report no. 1. Requirements and criteria for initial evaluation of geological properties and conditions

  Midtgaard, H. H., Hjelm, L., Jakobsen, R., Karan, S., Kjøller, C., Nilsson, B. & Poulsen, M. L. K., 19 Jan 2022, Copenhagen: GEUS. 53 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 52, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark. Phase 1, report no. 2. Geological setting and structural framework of Danish onshore areas

  Gravesen, P., Pedersen, S. A. S. & Midtgaard, H. H., 19 Jan 2022, Copenhagen: GEUS. 74 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 53, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark. Phase 1, report no. 3. Upper Cretaceous chalk and Paleocene limestone distribution and properties

  Jakobsen, P. R., Frykman, P. & Jakobsen, R., 19 Jan 2022, Copenhagen: GEUS. 78 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 54, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark. Phase 1, report no. 4. Jurassic and Lower Cretaceous claystone distribution, sedimentology, and properties

  Pedersen, G. K., Lauridsen, B. W., Sheldon, E. & Midtgaard, H. H., 19 Jan 2022, Copenhagen: GEUS. 210 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 55, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark. Phase 1, report no. 5. Precambrian crystalline basement distribution and properties

  Gravesen, P., Jakobsen, P. R., Nilsson, B., Pedersen, S. A. S. & Midtgaard, H. H., 19 Jan 2022, Copenhagen: GEUS. 97 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 56, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark. Phase 1, report no. 6. Subsurface distribution of Jurassic and Cretaceous fine-grained formations based on seismic mapping

  Mathiesen, A., Midtgaard, H. H. & Hjelm, L., 19 Jan 2022, Copenhagen: GEUS. 49 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 57, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark. Phase 1, report no. 7. Evaluation of long-term stability related to glaciations, climate and sea level, groundwater, and earthquakes

  Sandersen, P., Binderup, M., Larsen, T. B. & Nilsson, B., 19 Jan 2022, Copenhagen: GEUS. 112 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 58, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark. Phase 1, report no. 8. Conceptual 1D modeling of nuclides transport in low permeable formations

  Kazmierczak, J., Karan, S. & Jakobsen, R., 19 Jan 2022, Copenhagen: GEUS. 134 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 59, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark. Phase 1, report no. 9. Karakterisering og evaluering af geologiske egenskaber og forhold i 500 meters dybde. For engelsk oversættelse se rapport 2021/61

  Midtgaard, H. H., Hjelm, L., Jakobsen, R., Karan, S., Kjøller, C., Nilsson, B. & Poulsen, M. L. K., 19 Jan 2022, Copenhagen: GEUS. 279 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 60, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Studies of geological properties and conditions for deep disposal of radioactive waste, Denmark Phase 1, report no. 10. Characterization and evaluation of geological properties and conditions at 500 meters depth. This is the English version of the report: 2021/60

  Midtgaard, H. H., Hjelm, L., Jakobsen, R., Karan, S., Kjøller, C., Nilsson, B. & Poulsen, M. L. K., 6 Sept 2022, Copenhagen: GEUS. 266 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 61, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Denmark 100%
  • Host Rock 100%
  • Radioactive Waste 100%
  • English 100%
  • Precambrian 66%

• The Danish Pesticide Leaching Assessment Programme. Monitoring results May 1999 - June 2020

  Badawi, N., Karan, S., Haarder, E. B., Rosenbom, A. E., Gudmundsson, L., Hansen, C. H., Nielsen, C. B., Plauborg, F., Kørup, K. & Olsen, P., 9 Jun 2022, GEUS. 238 p. (The Danish Pesticide Leaching Assessment Programme).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Environmental Protection 100%
  • Environmental Protection Agency 100%
  • Agroecology 80%
  • Denmark 20%
  • Greenland 20%

• The Geological Elements approach of MapField: Detailed mapping and modelling of integrated geological and redox structures of the subsurface

  Sandersen, P., Kallesøe, A. J., Madsen, R. B., Kim, H., Jakobsen, R. & Hansen, B., 18 Feb 2022, Copenhagen: GEUS. 49 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 6, Vol. 2022).

  Research output: Book/Report › Report (publicly available)

  Open Access

• Varslingssystemet for udvaskning af pesticider til grundvand (VAP). Sammendrag af moniteringsresultater med fokus på juli 2018 - juni 2020

  Badawi, N. (Editor), Karan, S., Haarder, E. B., Rosenbom, A. E., Gudmundsson, H. L., Hansen, C. H., Nielsen, C. B., Plauborg, F., Kørup, K. & Olsen, P., 30 Jun 2022, København: GEUS. 9 p. (Varslingssystemet for udvaskning af pesticider til grundvand (VAP)).

  Research output: Book/Report › Report (publicly available)

  Open Access
• 2021

  Characterising and evaluation of the seal capacity based on core and cutting analysis of the Nini-4 and Nini-4a wells. Project Greensand - WP4 final report

  Schovsbo, N. H., Petersen, H. I., Weibel, R., Holmslykke, H. D. & Springer, N., 22 Sept 2021, Copenhagen: GEUS. 201 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 38, Vol. 2021).

  Research output: Book/Report › Report (publicly available)

  Open Access

  • Mudstone 100%
  • Carbon Dioxide 100%
  • Final Report 100%
  • North Sea 66%
  • Mineralogy 66%