Arne Thorshøj Nielsen

Arne Thorshøj Nielsen

Associate Professor

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    1. Published

      Shocked quartz grains in the early Cambrian Vakkejokk Breccia, Sweden-Evidence of a marine impact

      Alwmark, C., Ormö, J. & Nielsen, Arne Thorshøj, 2019, In: Meteoritics and Planetary Science. 54, 3, p. 609-620 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    2. Published

      The nature of Ordovician limestone-marl alternations in the Oslo-Asker District (Norway): witnesses of primary glacio-eustasy or diagenetic rhythms?

      Amberg, C. E. A., Collart, T., Salenbien, W., Egger, L. M., Munnecke, A., Nielsen, Arne Thorshøj, Monnet, C., Hammer, Ø. & Vandenbroucke, T. R. A., 7 Jan 2016, In: Scientific Reports. 6, 13 p., 18787.

      Research output: Contribution to journal › Journal article › Research › peer-review

    3. Published

      Chitinozoan biostratigraphy and carbon isotope stratigraphy from the Upper Ordovician Skogerholmen Formation in the Oslo Region. A new perspective for the Hirnantian lower boundary in Baltica

      Amberg, C. E. A., Vandenbroucke, T. R. A., Nielsen, Arne Thorshøj, Munnecke, A. & McLaughlin, P. I., Nov 2017, In: Review of Palaeobotany and Palynology. 246, p. 109-119 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. Published

      A possibly deep branching artiopodan arthropod from the lower Cambrian Sirius Passet Lagerstätte (North Greenland)

      Berks, H. O., Nielsen, Morten Lunde, Flannery-Sutherland, J., Nielsen, Arne Thorshøj, Park, T. S. & Vinther, J., 2023, In: Papers in Palaeontology. 9, 3, 19 p., e1495.

      Research output: Contribution to journal › Journal article › Research › peer-review

    5. Published

      Molybdenum-uranium-vanadium geochemistry in the lower Paleozoic Alum Shale of Scandinavia: Implications for vanadium exploration

      Bian, L., Schovsbo, N. H., Chappaz, A., Zheng, X., Nielsen, Arne Thorshøj, Ulrich, T., Wang, X., Dai, S., Galloway, J. M., Malachowska, A., Xu, X. & Sanei, H., 2021, In: International Journal of Coal Geology. 239, 12 p., 103730.

      Research output: Contribution to journal › Journal article › Research › peer-review

    6. Published

      High mercury enrichments in sediments from the Baltic continent across the late Cambrian: Controls and implications

      Bian, L., Chappaz, A., Schovsbo, N. H., Nielsen, Arne Thorshøj & Sanei, H., 20 Jun 2022, In: Chemical Geology. 599, 9 p., 120846.

      Research output: Contribution to journal › Journal article › Research › peer-review

    7. Published

      The Dicellograptus Shale (Upper Ordovician) of Bornholm, Denmark

      Bruvo, M. & Nielsen, Arne Thorshøj, 2005, In: GFF. 127, p. 45

      Research output: Contribution to journal › Journal article › Research › peer-review

    8. Published

      Lower Palaeozoic source rocks in southern Baltoscandia

      Buchardt, B., Nielsen, Arne Thorshøj & Schovsbo, N. H., 1998, Perspectives of petroleum exploration in the Baltic Region,. Vilnius: Proceedings of the International Scientific Conference, 21.-24. October, 1998, Vilnius, Lithuania, p. 53-57

      Research output: Chapter in Book/Report/Conference proceeding › Preface/postscript › Research

    9. Published

      Alun Skiferen i Skandinavien

      Buchardt, B., Nielsen, Arne Thorshøj, Schovsbo, N. H. & Bojesen-Kofoed, J. A., 1997, In: Geologisk Tidsskrift. 1997, 3, p. 1-3 30 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    10. Published

      carbon and oxygen isotope composition of Cambro-Silurian limestone and anthraconite from Bornholm: Evidence for deep burial diagenesis.

      Buchardt, B. & Nielsen, Arne Thorshøj, 1984, In: Bulletin of the Geological Society of Denmark. 33, 3-4, p. 415-435 21 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    11. Published

      Project Pre-Westphalaien source rocks in Northern Europe. Report of activities. April 1992. BMFT-project 032 6686 B. 3rd Project Group Meeting.

      Buchardt, B., Nielsen, Arne Thorshøj & Nielsen, M. V., 1992, Hannover: Bundesanstalt für Geowissensch. 6 p.

      Research output: Book/Report › Book › Research

    12. Published

      Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish

      Dahl, Tais Wittchen, Hammarlund, E. U., Anbar, A. D., Bond, D. P. G., Gill, B. C., Gordon, G. W., Knoll, A. H., Nielsen, Arne Thorshøj, Schovsbo, N. H. & Canfield, D. E., 2010, In: National Academy of Sciences. Proceedings. 107, 42, p. 17911-17915 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    13. Published

      Brief oxygenation events in locally anoxic oceans during the Cambrian solves the animal breathing paradox

      Dahl, Tais Wittchen, Siggaard-Andersen, Marie-Louise, Schovsbo, E. H., Persson, Daniel Pergament, Husted, Søren, Hougård, Iben Winther, Dickson, A. J., Kjær, Kurt H. & Nielsen, Arne Thorshøj, 2019, In: Scientific Reports. 9, 9 p., 11669.

      Research output: Contribution to journal › Journal article › Research › peer-review

    14. Published

      Comparing Early Ordovician sea-level changes in southern Bolivia and Baltica: a siliciclastic shelf versus a carbonate ramp. In Albanesi, G.L., Beresi, M.S. & Peralta, S.H. (eds.). Ordovician from the Andes

      Egenhoff, S. & Nielsen, Arne Thorshøj, 2003, In: Instituto Superior de Correlación Geológica, Series Correlación Geológica. 17, p. 413-415

      Research output: Contribution to journal › Journal article › Research › peer-review

    15. Published

      No evidence for a volcanic trigger for late Cambrian carbon-cycle perturbations

      Frieling, J., Mather, T. A., Fendley, I. M., Jenkyns, H. C., Zhao, Zhengfu, Dahl, Tais Wittchen, Bergquist, B. A., Cheng, K., Nielsen, Arne Thorshøj & Dickson, A. J., 2024, In: Geology. 52, 1, p. 12-16 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    16. Published

      Resource potential of the Alum Shale in Denmark

      Gautier, D. L., Schovsbo, N. H. & Nielsen, Arne Thorshøj, 2014, Unconventional Resources Technology Conference, Denver, Colorado, 25-27 August 2014. Society of Petroleum Engineers, 10 p. (S E G Global Meeting Abstracts).

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    17. Published

      A sulfidic driver for the end-Ordovician mass extinction

      Hammarlund, E., Dahl, T. W., Harper, D. A. T., Bond, D. P. G., Nielsen, Arne Thorshøj, Bjerrum, Christian J., Schovsbo, N. H., Schönlaub, H. P., Zalasiewicz, J. A. & Canfield, D. E., 2012, In: Earth and Planetary Science Letters. 331-332, p. 128-139 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    18. Published

      Early Silurian delta δ13Corg excursions in the foreland basin of Baltica, both familiar and surprising

      Hammarlund, E. U., Loydell, D. K., Nielsen, Arne Thorshøj & Schovsbo, N. H., 2019, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 526, p. 126-135 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    19. Published

      The Sirius Passet Lagerstatte of North Greenland-A geochemical window on early Cambrian low-oxygen environments and ecosystems

      Hammarlund, E. U., Smith, M. P., Rasmussen, J. A., Nielsen, Arne Thorshøj, Canfield, D. E. & Harper, D. A. T., 2019, In: Geobiology. 17, 1, p. 12-26 15 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    20. Published

      Ordovician brachiopod diversity revisited: patterns and trends in the Oslo Region

      Hansen, J. W., Harper, D. A. T. & Nielsen, Arne Thorshøj, 2011, Ordovician of the world. Gutiérrez-Marco, J. C., Rábano, I. & García-Bellido, D. (eds.). Instituto Geológico y Minero de España, p. 207-213 7 p. (Cuadernos del Museo Geominero; No. 14).

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    21. Published

      Brachiopod ecostratigraphy of the lower Middle Ordovician Lysaker Member (Huk Formation) at Skara, western Oslo Region

      Hansen, J. W., Nielsen, Arne Thorshøj & Harper, D. A. T., 2009. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    22. Published

      Upper Arenig trilobite biostratigraphy and sea-level changes at Lynna River near Volkhov, Russia.I: Harper, D.A.T. and Stouge, S. (eds). Studies in Ordovician geology: the Baltoscandian region

      Hansen, T. & Nielsen, Arne Thorshøj, 2003, In: Bulletin of the Geological Society of Denmark. 50, p. 105-114

      Research output: Contribution to journal › Journal article › Research › peer-review

    23. Published

      Palaeoecology in a mud-dominated epicontinental sea: a case study of the Ordovician Elnes Formation, southern Norway

      Hansen, T., Nielsen, Arne Thorshøj & Bruton, D. L., 2011, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 299, 1-2, p. 348-362 15 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    24. Published

      Masseuddøen (Mass extinction)

      Harper, D. A. T. & Nielsen, Arne Thorshøj, 2005, In: Varv. 1, p. 3-22

      Research output: Contribution to journal › Journal article › Research › peer-review

    25. Published

      The Sirius Passet Lagerstätte of North Greenland: a remote window on the Cambrian Explosion

      Harper, D. A. T., Hammarlund, E. U., Topper, T. P., Nielsen, Arne Thorshøj, Rasmussen, J. A., Park, T. S. & Smith, M. P., 2019, In: Journal of the Geological Society. 176, 6, p. 1023-1037 15 p.

      Research output: Contribution to journal › Review › Research › peer-review

    26. Published

      Soft bodies from the Sirius Pass: Combining a unique environment with an unusual taphonomic window in the Cambrian rocks of North Greenland

      Harper, D. A. T., Nielsen, Arne Thorshøj, Smith, M. P. & Vinther, J., 2010. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Commissioned

    27. Published

      Biofacies variations through the Transitional Buen Formation (lower Cambrian), Sirius Pass, North Greenland

      Harper, D. A. T., Hammarlund, E., Hansen, J. W., Nielsen, Arne Thorshøj, Rasmussen, Jan Audun Liljeroth, Smith, M. P., Stein, M. & Vinther, J., 2011, Palaeontological Association, 55th Annual Meeting: Plymouth, UK, Programme and Abstracts. p. 55-55 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    28. Published

      Return to the Sirius Pass: An unusual taphonomic window on the Cambrian Explosion

      Harper, D. A. T., Nielsen, Arne Thorshøj, Smith, M. P. & Vinther, J., 2009. 1 p.

      Research output: Contribution to conference › Conference abstract for conference › Research

    29. Published

      Soft-bodied fossil preservation in the Sirius Pass: Exploring a different taphonomic dimension to the Cambrian Explosion

      Harper, D. A. T., Nielsen, Arne Thorshøj, Smith, M. P. & Vinther, J., 2010, Abstracts and Proceedings Geological Society Norway. p. 64 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    30. Published

      The Great Ordovician Biodiversification Event (GOBE):  Gamma diversity from the mountains of Mayo and the Wexford plains

      Harper, D. A. T., Nielsen, Arne Thorshøj, Rasmussen, Jan Audun Liljeroth & Stouge, Svend, 2008.

      Research output: Contribution to conference › Conference abstract for conference › Research

    31. Published

      “Hypoxic” Silurian oceans suggest early animals thrived in a low-O2 world

      Haxen, Emma Rysgaard, Schovsbo, N. H., Nielsen, Arne Thorshøj, Richoz, S., Loydell, D. K., Posth, Nicole Rita Elisabeth, Canfield, D. E. & Hammarlund, E. U., 2023, In: Earth and Planetary Science Letters. 622, 11 p., 118416.

      Research output: Contribution to journal › Journal article › Research › peer-review

    32. Published

      Shale fabric and organic nanoporosity in lower Palaeozoic shales, Bornholm, Denmark

      Henningsen, L. M., Jensen, C. H., Schovsbo, N. H., Nielsen, Arne Thorshøj & Pedersen, G. K., 2018, In: Geological Survey of Denmark and Greenland (GEUS) Bulletin. 41, p. 17-20 4 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    33. Published

      Palaeoecology, biostratigraphy and taxonomy based on Ordovician trilobites from Russia

      Jakobsen, K. & Nielsen, Arne Thorshøj, 2005, In: Palaeontology Newsletter. 60, p. ?

      Research output: Contribution to journal › Journal article › Research › peer-review

    34. Published

      Trilobites from the Middle Ordovician Stairway Sandstone, Amadeus Basin, central Australia

      Jakobsen, K. G., Nielsen, Arne Thorshøj, Harper, D. A. T. & Brock, G. A., 2014, In: Alcheringa. 38, 1, p. 70-96 27 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    35. Published

      Brachiopods associated with stromatoporoid mounds from the Middle to Upper Ordovician Cashions Creek Limestone, Tasmania

      Jakobsen, K. G., Brock, G., Nielsen, Arne Thorshøj, Mathieson, D. K. & Harper, D. A. T., 2014, Cambro-Ordovician Studies V. Laurie, J. R., Paterson, J. R. & Brock, G. A. (eds.). Geological Society of Australia, p. 249-265 17 p. (Association of Australasian Palaeontologists. Memoirs, Vol. 45).

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    36. Published

      Middle Ordovician brachiopods from the Stairway Sandstone, Amadeus Basin, central Australia

      Jakobsen, K. G., Brock, G. A., Nielsen, Arne Thorshøj, Topper, T. P. & Harper, D. A. T., 2014, In: Alcheringa. 38, 2, p. 190-208 19 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    37. Published

      A Darriwilian (Middle Ordovician) bivalve-dominated molluscan fauna from the Stairway Sandstone, Amadeus Basin, central Australia

      Jakobsen, K. G., Brock, G. A., Nielsen, Arne Thorshøj & Harper, D. A. T., 2016, In: Acta Palaeontologica Polonica. 61, 4, p. 897-924 28 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    38. Published

      Darriwilian biostratigraphy and palaeoecology during the Great Ordovician Biodiversification Event – a northern Gondwanan perspective

      Jakobsen, K. G., Harper, D. A. T., Nielsen, Arne Thorshøj & Brock, G. A., 2011, Ordovician of the world. Gutiérrez-Marco, J. C., Rábano, I. & García-Bellido, D. (eds.). Instituto Geológico y Minero de España, p. 253-257 5 p. (Publicaciones del Instituto Geológico y Minero de España. Serie: Cuadernos del Museo Geominero; No. 14).

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    39. Published

      Geology of the island Bornholm (Denmark)

      Jørgart, T. & Nielsen, Arne Thorshøj, 1995, In: Terra Nostra. 6, p. 115-156

      Research output: Contribution to journal › Journal article › Research

    40. Published

      Corroded hydrothermal quartz in Ordovician altered volcanic ash beds of the Baltoscandian region.

      Kiipli, T., Kallaste, T., Kleesment, A. & Nielsen, Arne Thorshøj, 2009, In: Estonian Journal of Earth Sciences. 58, p. 268-272 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    41. Published

      Geochemical discrimination of the Upper Ordovician Kinnekulle Bentonite in the Billegrav-2 drill core section, Bornholm, Denmark

      Kiipli, T., Kallaste, T., Nielsen, Arne Thorshøj, Schovsbo, N. H. & Siir, S., 2014, In: Estonian Journal of Earth Sciences. 63, 4, p. 264-270 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    42. Published

      Tectono-magmatic division of the Late Ordovician (Sandbian) volcanism at the south-western margin of Baltica using immobile trace elements: Relations to the plate movements in the Iapetus Palaeo-Ocean

      Kiipli, T., Hints, R., Kallaste, T., Nielsen, Arne Thorshøj, Pajusaar, S. & Schovsbo, N. H., 2020, In: Geological Journal. 55, 7, p. 5155-5165 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    43. Published

      The post-persculptus and pre-ascensus graptolite fauna in Scania, south-western Sweden: Ordovician or Silurian? i: Ortega, G. & Acenolaza, G.F. (eds): Proceedings of the 7th International Graptolite Conference

      Koren, T. N., Ahlberg, P. & Nielsen, Arne Thorshøj, 2003, In: Instituto Superior de Correlación Geológica, Series Correlación Geológica. 17, p. 133-138

      Research output: Contribution to journal › Journal article › Research › peer-review

    44. Published

      Morphological changes in the trilobite Olenus and Homagnostus (Upper Cambrian, Sweden): Iterative gradual evolution re-examined

      Lauridsen, B. W. & Nielsen, Arne Thorshøj, 2005, In: Palaeontology. 48, p. 1041-1056

      Research output: Contribution to journal › Journal article › Research › peer-review

    45. Published

      The Upper Cambrian Trilobite Olenus at Andrarum, Sweden: a case of iterative evolution?

      Lauridsen, B. W. & Nielsen, Arne Thorshøj, 2005, In: Palaeontology. 48, 5, p. 1041-1056

      Research output: Contribution to journal › Journal article › Research › peer-review

    46. Published

      Ordovician rhynchonelliformean brachiopods from Co. Waterford, SE Ireland: Palaeobiogeography of the Leinster Terrane

      Liljeroth, M., Harper, D. A. T., Hilary, C. & Nielsen, Arne Thorshøj, 2017, Wiley-Blackwell. 169 p. (Fossils and Strata).

      Research output: Book/Report › Book › Research › peer-review

    47. Published

      Coupled biostratigraphy and chemostratigraphy at Lanna, Sweden: A key section for the Floian–lower Darriwilian interval (Lower–Middle Ordovician)

      Lindskog, A., Young, S. A., Nielsen, Arne Thorshøj & Eriksson, M. E., 2023, In: Palaeogeography, Palaeoclimatology, Palaeoecology. 615, 12 p., 111446.

      Research output: Contribution to journal › Journal article › Research › peer-review

    48. Published

      Graptolite biostratigraphy of the lower Silurian of the Sommerodde-1 core, Bornholm, Denmark

      Loydell, D. K., Walasek, N., Schovsbo, N. H. & Nielsen, Arne Thorshøj, 2017, In: Bulletin of the Geological Society of Denmark. 65, p. 135-160 16 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    49. Published

      Onset of main Phanerozoic marine radiation sparked by emerging Mid Ordovician icehouse

      Rasmussen, Christian Mac Ørum, Ullmann, C. V., Jakobsen, K. G., Lindskog, A., Hansen, J., Hansen, T., Eriksson, M. E., Dronov, A., Frei, Robert, Korte, Christoph, Nielsen, Arne Thorshøj & Harper, D. A. T., 2016, In: Scientific Reports. 6, 9 p., 18884.

      Research output: Contribution to journal › Journal article › Research › peer-review

    50. Published

      Nonbiomineralized carapaces in Cambrian seafloor landscapes (Sirius Passet, Greenland): opening a new window into early Phanerozoic benthic ecology

      Mangano, M. G., Bromley, R. G., Harper, D. A. T., Nielsen, Arne Thorshøj, Smith, M. P. & Vinther, J., 2012, In: Geology. 40, 6, p. 519-522 4 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

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