Dr. Jesper Kresten Nielsen, Geology, East Greenland, Barents Sea, Svalbard, Permian, Triassic, Framboids, Pyrite, Carbonates, Shales, Mass Extinctions, Anoxia

Dr. Jesper Kresten Nielsen

Senior Geologist

North Energy ASA

Visitors address: Kunnskapsparken, Markedsgata 38 B, Alta.

Postal address: Postboks 1243, NO-9504 Alta.

Norway

Phone: (+47) 48 251 543

Email: jesperknielsen-‘at’-gmail.com

Senior Geologist: North Energy ASA, Alta, Norway

Guest Researcher: Department of Geology, University of Tromsø, Norway

Research Fields

Geological mapping (e.g. exhumed oil reservoirs and ore deposits)
Regional geology and basin development (especially the Barents Sea, the Norwegian Sea and East Greenland)
Basin and petroleum systems modelling (PetroMod 1D/2D/3D, SEMI, palaeobathymetry, source rock maturity, hydrocarbon expulsion, migration and entrapment)
Sedimentology (mainly carbonates, shales, chert (spiculites) and evaporites)
Sedimentary ore deposits (SEDEX, MVT and hydrocarbon-induced ore deposits)
Facies analysis
Diagenesis and porosity development of carbonates and some sandstones including formation of carbonate concretions and layers
Petrography including image analysis (especially carbonates and shales containing metal sulfides such as pyrite framboids)
Inorganic geochemistry (major and trace elements)
Isotope geochemistry (d¹³C, d¹⁸O, d³⁴S and Sr)
Chemostratigraphy for correlation of wells and outcrops
Permian-Triassic mass extinction
Depositional conditions including anoxicity of bottom water and porewater
Handling of core materials and rock samples (e.g. from the Barents Sea, Norwegian Sea and East Greenland)
Organizer and participant of fieldwork in Arctic and at low latitudes

Regions

Svalbard
East Greenland
Norwegian-Russian Barents Sea
Norwegian Sea
mainland Norway
Russian Timan-Pechora and Sub-polar Ural Mountains
Denmark
Sweden, Iran, China, Spain, UAE…...

Instruments (user/super-user)

Standard microscopy of thin sections and polished blocks
Advanced microscopy (reflected light, cathodoluminescence and ultraviolet fluorescence)
XRD (mineral identification)
XRF (major and trace elements)
Laser-ICP-MS (in-situ trace elements)
Electron microprobes (in-situ trace elements)
Scanning electron microscopes combined with geochemistry (SEM-EDX)
LECO TC, TOC and TS
Conventional stable isotope systems (d¹³C, d¹⁸O and d³⁴S)
Laser isotope systems (in-situ d¹⁸O and d³⁴S)
Design and construction of wet chemistry systems (separation of pyrite grains and extraction of pyrite sulfur from whole-rock samples, used for quantification and isotope geochemistry)

Industry-Scientific Publications

Number of Publications

Papers – 17 (published), 2 (submitted)
Book Chapter – 1
Reports – 21
Theses – 2
Compendium – 1
Abstracts and Extended Abstracts – 66 (published)
Miscellaneous & Popular Scientific Work – 7
Photographs – 3

Reports

1 to 21 Contact me for information

· Topics: Basin and petroleum systems modelling, Geological mapping, Sedimentology, Facies, Diagenesis, Petrography, Geochemistry, Laboratory methods

· Regions: the Norwegian-Russian Barents Sea, the Norwegian Sea, East Greenland, Svalbard, mainland Norway, Iran, onshore Colombia, offshore Vietnam and offshore NW Australia

Papers

19. submitted.

18. submitted.

17. Zhang, T, Trela, W, Jiang, S-Y, Nielsen, JK and Shen, Y (2011). Major oceanic redox condition change correlated with the rebound of marine animal diversity during the Late Ordovician. Geology, 39 (7): 675-678. DOI: 10.1130/G32020.1

16. Hansen, J, Hanken, N-M, Nielsen, Jan K, Nielsen, Jesper K and Thomsen, E (2011). Late Pleistocene and Holocene distribution of Mytilus edulis in the Barents Sea region and its palaeoclimatic implications. Journal of Biogeography, 38(6): 1197-1212. DOI: 10.1111/j.1365-2699.2010.02473.x

15. Nielsen, JK, Shen, Y, Piasecki, S and Stemmerik, L. (2010). No abrupt change in redox condition caused the end-Permian marine ecosystem collapse in the East Greenland Basin. Earth and Planetary Science Letters, 291: 32-38. DOI:10.1016/j.epsl.2009.12.043

14. Nielsen, Jesper K, Boyce, AJ, Hanken, N-M, Nielsen, Jan K and Shen, Y (2010). Introduction to sulfur isotopes. European Association of Geoscientists and Engineers (EAGE), Learning Geoscience Journal, 23 pages.

13. Hansen, J, Nielsen, JK and Hanken, N-M (2009). The relationships between Late Ordovician sea-level changes and faunal turnover in western Baltica: Geochemical evidence of oxic and dysoxic bottom-water conditions. Palaeogeography, Palaeoclimatology, Palaeoecology, 271 (3-4): 268-278. DOI:10.1016/j.palaeo.2008.10.022

12. Nielsen, Jan K and Nielsen, Jesper K (2009). Geoducks (Panopea abrupta) as isotopic bioarchives of seasonality in the climate of British Columbia. Ecological Research, 24 (5): 987-995. DOI: 10.1007/s11284-008-0571-4

11. Nielsen, Jan K, Helama, S, Rodland, D and Nielsen, Jesper K (2008). Taphonomy of freshwater molluscs in carbonate-poor deposits: a case study of the river pearl mussel in northeastern Finnish Lapland. Norwegian Journal of Geology, 88 (2): 103-116.

10. Nielsen, Jan K, Helama, S, Rodland, DL and Nielsen, Jesper K (2007). Eemian marine mollusks and barnacles from Ristinge Klint, Denmark: hydrodynamics and oxygen deficiency. Netherlands Journal of Geosciences – Geologie en Mijnbouw, 86 (2): 95-115. ISSN 0016-7746

9. Rafaelsen, B. and Nielsen, JK (2007). Карбонатные породы. (In English: Introduction to carbonates). European Association of Geoscientists and Engineers (EAGE), Learning Geoscience Journal, 57 pages.

8. Meng, X, Ge, M, Kuang, HW and Nielsen, JK (2006). Origin of microsparite carbonates and the significance in the evolution of the Earth in Proterozoic. Acta Petrologica Sinica, 22 (8): 2133-2143.

7. Nielsen, Jan K, Hanken, N-M, Nielsen, Jesper K and Hansen, KS (2006). Biostratigraphy and palaeoecology of the marine Pleistocene of Rhodes, Greece: Scleractinia, Serpulidae, Mollusca and Brachiopoda. Bulletin of Geosciences, 81 (3): 173-196.

6. Rafaelsen, B and Nielsen, JK (2005). Introduction to carbonates. European Association of Geoscientists and Engineers (EAGE), Learning Geoscience Journal, 57 pages.

5. Nielsen, JK and Shen, Y (2004). Evidence for sulfidic deep water during the Late Permian in the East Greenland Basin. Geology, 32: 1037-1040. DOI: 10.1130/G20987.1 (GSA Data Repository item 2004164, Table DR1, framboid size distribution, and Table DR2, S isotope compositions of pyrites, is available online at http://www.geosociety.org/pubs/ft2004.htm)

4. Pedersen, M, Nielsen, JK, Boyce, AJ and Fallick, AE (2003). Timing and genesis of base metal mineralisation in black shales of the Upper Permian Ravnefjeld Formation, East Greenland. Mineralium Deposita, 38: 108-123. DOI: 10.1007/s00126-002-0283-6

3. Nielsen, JK and Hanken, N-M (2002). Late Permian carbonate concretions in the marine siliciclastic sediments of the Ravnefjeld Formation, East Greenland. Geology of Greenland Survey Bulletin, 191: 126-132.

2. Nielsen, JK and Pedersen, M (1998). Hydrothermal activity in the Upper Permian Ravnefjeld Formation of central East Greenland - a study of sulphide morphotypes. Geology of Greenland Survey Bulletin, 180: 81-87.

1. Nielsen, JK (1998). Pyrit i Alun Skifer Formationen: et morfologisk og geokemisk studie. (Translated title: Pyrite in the Alum Shale Formation: a morphological and geochemical study). Geologisk Tidsskrift, 4: 11-14. (In Danish and English)

Book Chapter

1. Hanken, N-M, Bjørlykke, K. and Nielsen, JK (2010). Carbonate Sediments. In: Bjørlykke, K. (Ed.), Petroleum Geoscience - From Sedimentary Environments to Rock Physics. Springer-Verlag, Berlin, Heidelberg, Chapter 5, 141-200.

Theses

2. Nielsen, JK (2001). Anoxia levels and biogeochemical processes in ancient marine sediments: the Upper Permian Ravnefjeld Formation, East Greenland. Ph.D. thesis, Geological Institute, University of Copenhagen. 262 pages.

1. Nielsen, JK (1996). Pyrit i Alunskiferen: Et studie over relationen mellem morfologi og geokemi. (Translated title: Pyrite in the Alum Shale Formation: relations between morphology and geochemistry). Cand. scient. (M.Sc.) thesis, Geological Institute, University of Copenhagen. 139 pages and an appendix.

Compendium

1. Hanken, N-M, Lønøy, A and Nielsen, JK (2003). Carbonate Petrography. Department of Geology, University of Tromsø, Compendium. 99 pages.

Miscellaneous - Popular Scientific Work

8. Nielsen, JK (2009). Current Activity. Individual Research Reports. In: I.G. Percival (ed.), Ordovician News. Subcommission on Ordovician Stratigraphy, International Commission on Stratigraphy. Number 26, page 38.

7. Nielsen, Jan K and Nielsen, Jesper K (2009). Danekræ – Danmarks bedste fossiler [Book review]. Flora og Fauna, 1: 91-92.

6. Nielsen JK (2008). Underpaleozoiske avleiringer i nordlige del av Barentshavet. Et nytt potensielt hydrokarbonprosjekt. NRK Radio interview, 4 January 2008.

5. Nielsen, Jan K and Nielsen, Jesper K (2007). Landet blir til - Norges Geologi [Book review]. GeologiskNyt, 4/07: Page 11.

4. Nielsen, Jan K and Nielsen, Jesper K (2007). Trace Fossils. Concepts, Problems, Prospects [Book review]. Ethology, Ecology & Evolution, Firenze, 19: 171-172.

3. Nielsen, JK, Pedersen, M, Shen, Y and Boyce, AJ (2005). Svovlisotoper – et værktøj til at belyse marine processer. Varv, 3: 3-17.

2. Nielsen, Jan K and Nielsen, Jesper K (2004). Ka dokker mein førr stein! Geologi, landskap og ressurser i Troms [Book review]. Varv: 3: 15-17.

1. Nielsen, Jan K, Hanken, N-M and Nielsen, Jesper K (2004). Indvielse af ny mindetavle for Niels Steensen (Nicolaus Stenonis). Varv: 3: 12-14.

Invited Speaker (recently)

10. Nielsen, JK and Pedersen, M (2011). Permian and Triassic sedimentary environments of the East Greenland Basin. Global Mineral Resource Assessment: The zinc potential in Greenland – Workshop 2011. Geological Survey and Denmark and Greenland (GEUS), 29 November – 1 December 2011, Copenhagen.

9. Nielsen, JK and Rinna, J (2010). Lower Palaeozoic deposits in northern part of the Barents Sea – A new potential hydrocarbon prospect. Lundin Petroleum, Oslo, 20 December, 2010.

8. Nielsen, JK (2010). Palaeobathymetry of offshore Mid Norway, Late Permian to Present. Integrated Norwegian Sea Study – INS2010, Four workshops in Stavanger and Oslo, September 2010.

7. Nielsen, JK and Grøver, A (2010). Basin modelling of the Hammerfest Basin, Norwegian Barents Sea. Strategy Institutional Project (SIP), Research Council of Norway. Statoil ASA North Norway, Harstad, 25 October 2010.

6. Nielsen, JK, Lothe, AE and Daszinnies, MC (2010). Basin modelling of the Hammerfest Basin: Maturity, expulsion and migration of hydrocarbons. Strategy Institutional Project (SIP), Research Council of Norway. Statoil ASA North Norway, Harstad, 15 May 2010.

5. Lothe, AE, Nielsen JK and Borge H (2009). Top Seal properties controlled by sedimentation and erosion; the Snøhvit area. Force Seminar "Geology and prospectivity of the Barents Sea and surrounding areas", Stavanger, 27-28 October 2009.

4. Daszinnies, MC, Inthorn, M, Ritter, U, Weiss, HM, Nielsen, JK and Tømmerås, A (2009). Palaeozoic source-rocks in the Barents Sea: Basin modelling insights. Force Seminar "Geology and prospectivity of the Barents Sea and surrounding areas", Stavanger, 27-28 October 2009.

3. Nielsen, JK and Pedersen, M (2009). Permian and Triassic sedimentary environments of the East Greenland Basin. Global Mineral Resource Assessment (GMRAP): Sedimentary hosted Cu in Greenland - workshop 2009, Copenhagen, 24-27 March 2009, Meeting room Lauge Koch, GEUS, Copenhagen.

2. Nielsen, JK and Stensgaard, BM (2009). Presentation of preliminary tracts permissive of sedimentary Cu deposits in central East Greenland. Global Mineral Resource Assessment (GMRAP): Sedimentary hosted Cu in Greenland - workshop 2009, Copenhagen, 24-27 March 2009, Meeting room Lauge Koch, GEUS, Copenhagen.

1. Nielsen, JK (2008). Underpaleozoiske avleiringer i nordlige del av Barentshavet. Et nytt potensielt hydrokarbonprosjekt. NRK Nordnytt, 4 January 2008.

Abstracts and Extended Abstracts

66. Nielsen, Jesper K, Nielsen, Jan K, Hanken, N-M and Evison K (2012). Onshore laboratory for earliest diagenetic processes in sands – implications for the understanding of reservoir rocks. Arctic Frontiers 2012 Conference – Energies of the High North, Part I: Arctic geology, hydrocarbon reservoirs & gas hydrates, 25–27 January 2012, University of Tromsø, Norway. Page 142.

65. Grøver, A, Lothe, AE, Nielsen, JK, Bernal, A and Helset HM (2012). The effects of erosion on the pressure development in the Hammerfest Basin, Norwegian Barents Sea: A basin modelling approach. Arctic Frontiers 2012 Conference – Energies of the High North, Part I: Arctic geology, hydrocarbon reservoirs & gas hydrates, 25–27 January 2012, University of Tromsø, Norway. Page 137.

64. Nielsen, Jesper K, Nielsen, Jan K and Hanken, N-M (2012). Thermochemical sulfate reduction caused by hydrocarbons in warm-water carbonates of the Ørn Formation (Carboniferous–Permian), Barents Sea. Arctic Frontiers 2012 Conference – Energies of the High North, Part I: Arctic geology, hydrocarbon reservoirs & gas hydrates, 25–27 January 2012, University of Tromsø, Norway. Page 143.

63. Nielsen, Jesper K, Nielsen, Jan K, Hanken, N-M (2012). Anoxicity controlling the formation of potential source rocks of Permian age: examples from East Greenland, Spitsbergen and the Norwegian Barents Sea. Arctic Frontiers 2012 Conference – Energies of the High North, Part I: Arctic geology, hydrocarbon reservoirs & gas hydrates, 25–27 January 2012, University of Tromsø, Norway. Page 144.

62. Nielsen, JK, Grøver, A, Lothe, AE, Bernal, A, Daszinnies, MC and Helset, HM (2011). Basin modelling of the Hammerfest Basin, Norwegian Barents Sea: the effects of erosion and pressure development on the distribution of oil and gas accumulations. AAPG 3P Arctic 2011, 30 August – 2 September, Halifax, Canada.

61. Daszinnies, MC, Zieba, KJ, Nielsen, JK, Lothe, AE, Bernal, A and Helset, HM (2011). Delimiting erosion in the Hammerfest Basin, Norwegian Barents Sea: a probabilistic basin modelling view. AAPG 3P Arctic 2011, 30 August – 2 September, Halifax, Canada.

60. Hansen, J, Hanken, N-M, Nielsen, Jesper K, Nielsen, Jan K and Thomsen, E. (2010). Holocene Mytilus in the Barents Sea region. Programme & Abstracts, International Palaeontological Congress 3, London. June 28-July 3. Page 188 (S27B).

59. Lothe, AE, Nielsen, JK and Borge, H (2010). Effects of erosion episode(s) and uplift on fluid pressures and possible fracturing and leakage: modelling example from the Snøhvit area, Hammerfest Basin. 29th Nordic Geological Winter Meeting, Oslo, January 11-13, 2010. Abstracts and Proceedings of the Geological Society of Norway (NGF), 1: page 115.

58. Nielsen, JK, Hanken, N-M and Hansen, J (2010). Lower Palaeozoic basin development in northeastern Spitsbergen, Svalbard. 29th Nordic Geological Winter Meeting, Oslo, January 11-13, 2010. Abstracts and Proceedings of the Geological Society of Norway (NGF), 1: page 134.

57. Nielsen, Jan K, Hanken, N-M and Nielsen, Jesper K (2010). Early diagenetic calcite cementation of subaerially exposed Holocene deltaic sand, North Norway. 29th Nordic Geological Winter Meeting, Oslo, January 11-13, 2010. Abstracts and Proceedings of the Geological Society of Norway (NGF), 1: page 135.

56. Nielsen, JK, Hansen, J and Hanken, N-M (2010). New geological map of the Lower Palaeozoic in northeastern Spitsbergen, Svalbard. 29th Nordic Geological Winter Meeting, Oslo, January 11-13, 2010. Abstracts and Proceedings of the Geological Society of Norway (NGF), 1: page 135.

55. Nielsen, JK, Lothe, AE and Daszinnies, MC (2010). Reconstruction of the palaeobathymetry of the Hammerfest Basin, Norwegian Barents Sea. 29th Nordic Geological Winter Meeting, Oslo, January 11-13, 2010. Abstracts and Proceedings of the Geological Society of Norway (NGF), 1: page 136.

54. Carmohn, A, Uchman, A, Hanken, N-M, Nielsen, JK and Grundvåg, S-A (2010). Depositional conditions of Late Permian-earliest Triassic, central Spitsbergen: evidence for oxygen deficiency from inorganic geochemistry and trace fossils. 29th Nordic Geological Winter Meeting, Oslo, January 11-13, 2010. Abstracts and Proceedings of the Geological Society of Norway (NGF), 1: page 31.

53. Daszinnies, MC, Inthorn, M, Ritter, U, Weiss, HM and Nielsen, JK (2009). The importance of Palaeozoic petroleum source-rocks in the Norwegian Barents Sea: insights from basin modelling using Monte Carlo simulation techniques. Winter Conference 2009, Bergen, 13-15 January 2009. Abstracts and Proceedings of the Geological Society of Norway (NGF), 1: page 24.

52. Daszinnies, MC, Inthorn, M, Ritter, U, Weiss, HM, Nielsen, JK and Tømmerås A (2009). Sensitivity analysis of multiple source-rock petroleum system by using a stochastic basin modelling approach: From examples from the Norwegian Barents Sea. AAPG International Conference and Exhibition, Rio de Janeiro, Brazil, 15-18 November 2009.

51. Daszinnies, MC, Inthorn, M, Ritter U, Weiss HM, Nielsen JK and Tømmerås, Are (2009). The Importance of Palaeozoic petroleum source-rocks in the Norwegian Barents Sea: insights from basin modelling using Monte Carlo simulation techniques. AAPG Hedberg Research Conference, Napa, California, USA, 3–7 May 2009.

50 Lothe, AE, Nielsen JK, Borge H (2009). Top Seal properties controlled by sedimentation and erosion; the Snøhvit area. Force Seminar "Geology and prospectivity of the Barents Sea and surrounding areas", Stavanger, 27–28 October 2009.

49. Nielsen, JK, Grundvåg, S-A, Hanken, N-M and Uchman, A (2009). Anoxia indicators and their utilisation to describe depositional conditions of marine deposits of Permian age, Norwegian Barents Sea and central Spitsbergen. Winter Conference, Bergen, Norway. Winter Conference 2009, 13-15 January 2009, Bergen, Norway. Abstracts and Proceedings of the Geological Society of Norway (NGF), 1: page 76.

48. Nielsen, Jesper K, Hanken, N-M, Nielsen, Jan K and Shen, Y (2009). Multi-stage formation of pyrite in marine shales of the Ravnefjeld Formation (Upper Permian), East Greenland Basin. Winter Conference 2009, 13-15 January 2009, Bergen, Norway. Abstracts and Proceedings of the Geological Society of Norway (NGF), 1: 76-77.

47. Daszinnies, MC, Inthorn, M, Ritter U, Weiss HM, Nielsen JK and Tømmerås A (2009). Palaeozoic source-rocks in the Barents Sea: Basin modelling insights. Force Seminar "Geology and prospectivity of the Barents Sea and surrounding areas", Stavanger, 27 - 28 October 2009.

46. Rinna, J, Grøver, A, Daszinnies, MC, Ritter, U, Inthorn, M, Weiss, HM and Nielsen, JK (2009). A regional expulsion model for the Ørret Formation in the Norwegian Barents Sea using the process-based expulsion and primary migration model PRIMIG. International Meeting on Organic Geochemistry (IMOG), Bremen, Germany, 6-11 September 2009.

45. Nielsen, Jesper K, Nielsen, Jan K, Hanken, N-M, Shen, Y, Daszinnies, MC and Grundvåg, S-A (2008). A multidisciplinary approach to improve petroleum exploration in the Barents Sea region. Workshop in Arctic Marine Geology and Geophysics: "Approaching Arctic Frontier Areas for Petroleum Exploration", 12-13 November 2008, Tromsø, Norway. Page 14.

44. Inthorn M, Badics, B, Daszinnies, MC, Lauvrak, O, Mann, U, Nielsen, JK, Vandré, C and Zweigel, J (2008). Testing the source rock model OF-Mod in a mature petroleum province. XI Congreso Latinoamericano de Geoquímica Orgánica, ALAGO, Isla de Margarita, Venezuela, 2-6 November 2008. 5 pages.

43. Nielsen, JK, Hanken, N-M, Torgersen, T, Svånå, TA and Boyce, AJ (2008). Depositional and diagenetic controls on the reservoir properties of warm-water carbonates of the Asmari Formation (Oligocene-Miocene), Iran. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1349483, One page.

42. Nielsen, Jesper K, Shen, Y, Nielsen, Jan K, Hanken, N-M and Grundvåg, S-A (2008). Late Permian oxygen-deficiency in the East Greenland Basin: Implications for the potential source rock formation in Northern Europe and Arctic regions. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1345499, One page.

41. Nielsen, Jesper K, Boyce, AJ, Pedersen, M, Shen, Y and Nielsen, Jan K (2008). Multi-stage mineralisation of black shales and diagenetic carbonate concretions of Late Permian, East Greenland: Evidence from petrography and S-Pb-isotope geochemistry of metal sulfides. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1345146, One page.

40. Ge M, Meng, X, Kuang, H, Bourrouilh-lejan, F and Nielsen, JK (2008). The origin of Microsparite (MT- Molar tooth) carbonates and the significance in the evolution of the Earth in Proterozoic. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1342993, One page.

39. Nielsen, JK, Hanken, N-M, Meng, X and Ge, M (2008). The relationship between anoxic bottom-water conditions and the formation of Neoproterozoic molar-tooth in fine-grained marine deposits. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1344125, One page.

38. Hansen, J, Nielsen, JK and Hanken, N-M (2008). Late Ordovician changes in a siliciclastic source area for the Oslo Region. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1349120, One page.

37. Hanken, N-M, Hansen, MD, Nielsen, JK, Olaussen, S, Buchardt, B, Eggebø, T and Steinsland, R (2008). The presence of hydrocarbons in southeast Norway. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1345395, One page.

36. Nielsen, Jan K, Nielsen, Jesper K, Helama, S and Worthington, R (2008). Ichnofabrics as evidence of depositional dynamics on a prograding carbonate wedge: an example from the Pleistocene of Rhodes, Greece. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1352955, One page.

35. Hanken, N-M, Uchman, A, Nielsen, JK, Olaussen, S, Eggebø, T and Steinsland, R (2008). Shallow-marine trace fossils from the Upper Ordovician of the Ringerike area, Oslo Region, Norway. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1345291, One page.

34. Nielsen, Jan K, Hanken, N-M and Nielsen, Jesper K (2008). Macroinvertebrates in Pleistocene marine deposits on Rhodes, Greece: Biostratigraphy and palaeoecology. The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1349792, One page.

33. Meng, X, Ge, M, Bourrouilh, R and Nielsen, JK (2008). New research on Rodinia super continent and reconstruction of paleosea environment in Neoproterozoic period (850Ma-750Ma). The 33rd International Geological Congress (IGC), August 6-14th 2008, Oslo, Norway. Abstract No. 1340508, One page.

32. Hansen, J, Nielsen, JK and Hanken, N-M (2007). The relationships between sea-level changes and facies for Late Ordovician faunas, western Baltica: geochemical evidence of oxic and dysoxic bottom-water conditions. In J.O.R. Ebbestad, L.M. Wickström & A.E.S. Högström (eds.): WOGOGOB 2007, 9th meeting of the Working Group on Ordovician Geology of Baltoscandia, Field guide and Abstracts. Sveriges geologiska undersökning, Rapporter & meddelanden, 128: 89-90.

31. Hansen, MD, Eggebø, T, Steinsland, R, Buchardt, B, Hanken, N-M, Nielsen JK, Olaussen S and Uchman, A (2007). An exhumed Upper Ordovician hydrocarbon reservoir in the Oslo Region, Norway: environmental, burial and fluid flow history of the Asgill in Ringerike. The 20th Winter Conference, Stavanger, Norway, 8-10 January 2007. ISBN: 978-82-92394-35-9, NGF Abstracts and Proceedings, no. 1, Supplement 1, 4-5.

30. Nielsen, Jesper K, Nielsen, Jan K, Hanken, N-M, Shen, Y and Henriksen, E (2007). Anoxicity controlling the formation of potential source rocks of Late Palaeozoic age: Hydrocarbon prospectivity in the Norwegian Barents Sea region. Arctic Geology, Hydrocarbon Resources and Environmental Challenges II (AGREE II), 6-7th September 2007 Tromsø, Norway. Abstracts and Proceedings of the Geological Society of Norway. 210-211.

29. Rafaelsen, B, Stoupakova, A, Nielsen, JK, Henriksen, LB, Pokul, A, Elvebakk, G, Zaytseva, M, Andreassen, K, Safronova, P, Henriksen, E, Hanken, N-M, Shik, A and Karpushin, M (2007). Stratigraphy and facies of the Palaeozoic succession in the Barents Sea, Svalbard, Novaya Zemlya and Timan-Pechora region. Arctic Geology, Hydrocarbon Resources and Environmental Challenges II (AGREE II), 6-7th September 2007 Tromsø, Norway. Abstracts and Proceedings of the Geological Society of Norway. 177-178.

28. Henriksen, E, Rafaelsen, B, Stoupakova, A, Kirjukhina, T, Nielsen, JK, Andreassen, K, Sitar, K, Bolshakova, M, Safronova, P, Golinchik, P, Zaytseva, M, Mironcheva, E, Ogarkova, M, Chebotar, K, Kusov, A, Norina, D, Kiryukhina, N and Suslova, A (2007). Petroleum systems of the Barents Sea – Kara Sea region. Arctic Geology, Hydrocarbon Resources and Environmental Challenges II (AGREE II), 6-7th September 2007 Tromsø, Norway. Abstracts and Proceedings of the Geological Society of Norway. 189-190.

27. Henriksen, E, Rafaelsen, B, Stoupakova, A, Kirjukhina, T, Nielsen, JK, Andreassen, K, Sitar, K, Bolshakova, M, Safronova, P, Golinchik, P, Zaytseva, M, Mironcheva, E, Ogarkova, M, Chebotar, K, Kusov, A, Norina, D, Kiryukhina, N, Suslova, A and Bordunov, S (2007). Stratigraphy of the Barents-Kara Sea region. Arctic Geology, Hydrocarbon Resources and Environmental Challenges II (AGREE II), 6-7th September 2007 Tromsø, Norway. Abstracts and Proceedings of the Geological Society of Norway. Page 207.

26. Nielsen, Jesper K., Hanken, N-M, Nielsen, JK, Shen, Y and Henriksen, E (2007). Deglaciation in the Late Palaeozoic: evidence of sea-level rise, oxygen-deficiency, and the development of carbonate buildups in the Norwegian Barents Sea region. XVI International Congress on Carboniferous and Permian 2007 (ICCP2007), June 21-24, Nanjing, China. Journal of Stratigraphy, 31: 116-117.

25. Nielsen, Jesper K, Stoupakova, A, Rafaelsen, B, Hanken, N-M, Kirjukhina, T, Henriksen, E, Sitar, K, Nielsen, Jan K, Karpushin, M, Henriksen, LB, Zhemchugova, T, Safronova, P, Pokul, A, Zaytseva, M and Shik, A (2006). Stratigraphy, depositional evolution and hydrocarbon prospectivity of the Late Palaeozoic successions in the Norwegian-Russian Barents Sea region. Carboniferous Conference Cologne 2006 (CCC-2006) – From Platform to Basin. Institute of Geology and Mineralogy, University of Cologne, September 4-10, 2006. Kölner Forum für Geologie und Paläontologie, 15: 97-98.

24. Nielsen, Jesper K, Nielsen, Jan K, Hanken, N-M, Shen, Y, Kirjukhina, T, Sitar, K and Henriksen, E (2006). Widespread anoxia in warm saline waters at low latitudes in the Late Palaeozoic: new data from the Barents Sea region. Carboniferous Conference Cologne 2006 (CCC-2006) – From Platform to Basin. Institute of Geology and Mineralogy, University of Cologne, September 4-10, 2006. Kölner Forum für Geologie und Paläontologie, 15: 95-96.

23. Kirjukhina, T, Nielsen, JK, Stoupakova, A, Sitar, K, Pokul, A and Shik, A. (2006). Paleozoic petroleum systems of the Barents Sea. Oil and Gas Habitats of Russia and Surrounding Regions, The Geological Society of London, Petroleum Group, England, February 8-9, 2006. Page 11.

22. Rafaelsen, B, Stoupakova, A, Nielsen, JK, Karpushin, M, Henriksen, LB, Pokul, A, Elvebakk, G, Zaytseva, M, Andreassen, K, Safronova, P, Hanken, N-M, Shik, A and Henriksen, E. (2006). Stratigraphy of the Palaeozoic succession in the Norwegian-Russian Barents Sea area. Oil and Gas Habitats of Russia and Surrounding Regions, The Geological Society of London, Petroleum Group, England, February 8-9, 2006. Page 10.

21. Stoupakova, A, Henriksen, E, Bjørgen, P, Andreassen, K, Rafaelsen, B, Nielsen, JK, Safronova, P, Karpushin, M, Shuvalov, A and Goncharenko, P. (2006). Regional evaluation of the Western Arctic Basins. Oil and Gas Habitats of Russia and Surrounding Regions, The Geological Society of London, Petroleum Group, England, February 8-9, 2006. Page 5.

20. Elvebakk, G, Colpaert, A, Hanken, N-M, Hunt, DW, Lauritzen, S-E, Nielsen, Jan K, Nielsen, Jesper K, Pickard, NAH and Stemmerik, L (2005). Dolomitization and karstification – important process in Upper Carboniferous-Lower Permian carbonate reservoir development in Svalbard: field evidence. Geological Society of Norway (NGF), 2005 Winter Conference, 9-12 January 2005, Røros, Norway. 30-31.

19. Svånå, TA, Aqrawi, AAM, Azzizadeh, M, Doragi, ZK, Ehrenberg, SN, Hanken, N-M, Laursen, GV, Moalemmi, A, Mossadegh, SK, Nielsen, JK, Pickard, NAH, Saeed, M, Torgersen, T and Wennberg, OP (2005). The Asmari Formation in the Khaviz Anticline: sedimentology and diagenesis in an outcrop analogue to giant carbonate reservoirs in Iran. Geological Society of Norway (NGF), 2005 Winter Conference, 9-12 January 2005, Røros, Norway. Page 114.

18. Nielsen, JK, Hanken, N-M, Meng, X and Ge, M (2005). Anoxia as a possible indicator for the formation of molar-tooth structures: a case study of the Båtsfjord Formation, North Norway. IGCP447 New Research-II: Carbonates Events: Paleocontinent, Paleoocean, International Correlation and Oil-Gas Resources, October 16-22, 2005. Institute of Sedimentary Basin, China University of Geosciences, Beijing, China, 21-24.

17. Hanken, N-M, Nielsen, JK, Meng, X and Ge, M (2005). New evidence for a low-temperature formation of molar-tooth structures based on material from the Precambrian in North Norway. IGCP447 New Research-II: Carbonates Events: Paleocontinent, Paleoocean, International Correlation and Oil-Gas Resources, October 16-22, 2005. Institute of Sedimentary Basin, China University of Geosciences, Beijing, China, 21-24.

16. Ge, M, Meng, X, Liu, Y, Kuang, H, Wang, D, Hanken N-M and Nielsen, JK (2005). On New system build up and intercontinental correlation on strata with MT carbonates in Neoproterozoic cratonic stage. IGCP Project 447 4th International Field Conference on Proterozoic Molar-Tooth Carbonates, June 5-19, 2005, Alice Springs, Northern Territory, Australia.

15. Meng, X, Ge, M, Sun, S, Guo, F, Bouttouith, R, Francoise, B-L, Hanken, N-M and Nielsen, JK (2005). New explore of paleocontinent and paleomarine environmental reconstruction in Beihua system (850-720 Ma), Neoproterozoic in case study on MT Carbonates and Environment of the Earth. IGCP Project 447 4th International Field Conference on Proterozoic Molar-Tooth Carbonates, June 5-19, 2005, Alice Springs, Northern Territory, Australia.

14. Nielsen, Jesper K, Hanken, N-M, Henriksen, LB and Nielsen, Jan K (2004). Stylolite formation as a major control on porosity development in evaporite-carbonate reservoirs, Ørn Formation (Late Palaeozoic), Barents Sea. Arctic Geology, Hydrocarbon Resources and Environmental Challenges, 24-26 May 2004 Tromsø, Norway. Abstracts and Proceedings of the Geological Society of Norway, 2: 117-119.

13. Nielsen, Jan K, Nielsen, Jesper K, Hanken, N-M and Elvebakk, G (2004). Dolomitization of ichnofabrics within the Black Crag Beds (Upper Carboniferous), Spitsbergen. Arctic Geology, Hydrocarbon Resources and Environmental Challenges, 24-26 May 2004 Tromsø, Norway. Abstracts and Proceedings of the Geological Society of Norway, 2: 114-116.

12. Nielsen, Jan K, Hanken, N-M and Nielsen, Jesper K (2004). The relationships between early diagenetic calcite concretions and shell dissolution in subaerially exposed Holocene marine sediments, North Norway. 32nd International Geological Congress, Florence, Italy. Page 166.

11. Nielsen, JK, Boyce, AJ, Elvebakk, G and Hanken, N-M (2004). Thermochemical sulfate reduction by hydrocarbons in an evaporate-carbonate reservoir, Ørn Formation, Upper Palaeozoic, Barents Sea. Goldschmidt 2004, June 5-9th 2004, Copenhagen, Denmark. Geochimica et Cosmochimica Acta. Page 233.

10. Nielsen, JK, Boyce, AJ and Hanken, N-M (2004). Seawater sulfate sulfur and oxygen isotopic composition across the Carboniferous-Permian boundary, Ørn Formation, Barents Sea. The 26th Nordic Winter Meeting, January 6th - 9th 2004 Uppsala, Sweden. GFF, 126 (1). Page 162.

9. Nielsen, JK and Hanken, N-M (2004). Stylolite formation and its influence on porosity development in potential carbonate reservoirs, Ørn Formation (Late Palaeozoic), Barents Sea. The 26th Nordic Winter Meeting, January 6th - 9th 2004 Uppsala, Sweden. GFF, 126 (1), 162-163.

8. Torgersen, T, Hanken, N-M, Nielsen, JK and Svånå, TA (2004). Dolomitization models based on stable isotopes and petrographic studies – an example from the Asmari Formation (Oligocene-Miocene), Iran. The 26th Nordic Winter Meeting, January 6th - 9th 2004 Uppsala, Sweden. GFF, 126 (1). Page 164.

7. Nielsen JK (2000). Scanning Electron Microscopy Point Counting (SEMPC) and Digital Image Analysis Microscopy (DIAM) for Determination and Quantification of Iron and Other Phases in Ancient Marine Sediments. Goldschmidt 2000, 3^rd-8^th September 2000, Oxford, UK. Cambridge Publications. Journal of Conference Abstracts 5 (2), 743-744.

6. Nielsen, JK, Shen, Y and Canfield, DE (1999). Morphology and sulfur isotope composition of early diagenetic pyrite. In: H Ármannsson (Editor), Geochemistry of the Earth’s Surface. Proceedings of The 5th International Symposium on the Geochemistry of the Earth’s Surface, 16-20 August 1999, Reykjavík, Iceland, 335-337.

5. Nielsen, JK, Nielsen, BM and Pedersen, M (1999). Early diagenesis of the Upper Permian Ravnefjeld Formation, East Greenland. East Greenland Symposium in Copenhagen, Abstract Volume, 59-60.

4. Nielsen, JK, Buchardt, B and Stendal, H (1999). Early diagenetic signals of sedimentary pyrite: Morphotypes and sulphur isotopes. Proceedings of IAS 19th Regional European Meeting of Sedimentology, 24-26 August 1999, Copenhagen, Denmark. Page 176.

3. Nielsen, JK, Buchardt, B and Stendal, H (1998). Pyrite in the Alum Shale Formation. Proceedings of the 23rd Nordic Geological Winter Meeting, 13-16 January 1998, Århus, Denmark. Page 216.

2. Nielsen, JK (1997). Pyrite in the Alum Shale Formation: indications of palaeoenvironment and palaeotemperature. Dansk Sedimentologisk Forskningsgruppe, Annual Meeting, Copenhagen, March 1997, 2 pp.

1. Nielsen, JK (1993). The correlation between sulphur and carbon isotope data from the Gislövshammar-2 core. Pre-Westphalian Source Rocks in Northwest Europe, Bornholm, Denmark, May 1993, 1 p.

Photographs

3. Nielsen, JK (2008). NATUR: Vakker sel som koser seg på isen i Tromsdalen. Foto: Jesper Kresten Nielsen. Newspaper: Nordlys, Tromsø, Norway, Friday 22 February 2008, No 45, Year 107, Week 8. Page 37.

2. Nielsen, JK (2007). SOLNEDGANG: Flott rød-orange solnedgang over Rakkfjordvatnet, Kvaløya. Foto: Jesper Kresten Nielsen. Newspaper: Nordlys, Tromsø, Norway, Monday 17 September 2007, No 216, Year 106, Week 38. Page 56.

1. Nielsen, JK (2007). SOLNEDGANG: Flott rød solnedgang over Kvaløya. Foto: Jesper Kresten Nielsen. Newspaper: Nordlys, Tromsø, Norway, Wednesday 16 May 2007, Year 106, Page 45.