Christian Mac Ørum Rasmussen

Christian Mac Ørum Rasmussen

Associate Professor, Special Consultant

Member of:

    ORCID: 0000-0003-2982-9931

    Publication year:
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    1 - 50 out of 80Page size: 50
    1. 2024
    2. Published

      Late Ordovician and early Silurian virgianid and stricklandioid brachiopods from North Greenland: implications for a warm-water faunal province

      Jin, J., Rasmussen, Christian Mac Ørum, Sheehan, P. M. & Harper, D. A. T., 2024, In: Papers in Palaeontology. 10, 1, 42 p., e1544.

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

    3. 2023
    4. Published

      The Ordovician System in Greenland

      Stouge, Svend, Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2023, In: Geological Society, London, Special Publications. 533, 1, p. 27-64

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

    5. Published

      The Ordovician of Scandinavia: a revised regional stage classification

      Nielsen, Arne Thorshøj, Ahlberg, P., Ebbestad, J. O. R., Hammer, Ø., Harper, D. A. T., Lindskog, A., Rasmussen, Christian Mac Ørum & Stouge, Svend, 2023, In: Geological Society, London, Special Publications. 532, p. 267-315

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

    6. Published

      Was the Late Ordovician mass extinction truly exceptional?

      Rasmussen, Christian Mac Ørum, Vandenbroucke, T. R. A., Nogues, David Bravo & Finnegan, S., 2023, In: Trends in Ecology and Evolution. 38, 9, p. 812-821 10 p.

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

    7. 2022
    8. Published

      Er livets mangfoldighed et produkt af Jordens varierende bane i rummet?

      Rasmussen, Christian Mac Ørum, Rasmussen, Jan Audun Liljeroth & Thibault, Nicolas Rudolph, 15 May 2022, Videnskab.dk, ForskerZonen.

      Research output: Other contribution › Net publication - Internet publication › Communication

    9. Published

      A Baltic Perspective on the Early to Early Late Ordovician δ13C and δ18O Records and Its Paleoenvironmental Significance

      Edward, O., Korte, Christoph, Ullmann, C. V., Colmenar, J., Thibault, Nicolas Rudolph, Bagnoli, G., Stouge, Svend & Rasmussen, Christian Mac Ørum, Mar 2022, In: Paleoceanography and Paleoclimatology. 37, 3, 26 p., e2021PA004309.

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

    10. Published

      A synopsis of Late Ordovician brachiopod diversity in the Anti-Atlas, Morocco

      Colmenar Lallena, J., Villas, E. & Rasmussen, Christian Mac Ørum, 2022, The Great Ordovician Biodiversification Event: Insights from the Tafilalt Biota, Morocco. 1 ed. London: Geological Society of London, Vol. 485. p. 153-163 (Geological Society Special Publication; No. 1, Vol. 485).

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

    11. Published

      Stable ocean redox during the main phase of the Great Ordovician Biodiversification Event

      del Rey, Álvaro, Rasmussen, Christian Mac Ørum, Calner, M., Wu, R., Asael, D. & Dahl, Tais Wittchen, 2022, In: Communications Earth & Environment. 3, 7 p., 220.

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

    12. Published

      Synchronizing rock clocks in the late Cambrian

      Zhao, Zhengfu, Thibault, Nicolas Rudolph, Dahl, Tais Wittchen, Schovsbo, N. H., Sørensen, A. L., Rasmussen, Christian Mac Ørum & Nielsen, Arne Thorshøj, 2022, In: Nature Communications. 13, 11 p., 1990.

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

    13. Published

      The Hirnantian Stage and the Hirnantian Isotope Carbon Excursion (HICE) in the Gotland (Sweden) subsurface

      Gunnarsson, N., Calner, M., Wu, R., Rasmussen, Christian Mac Ørum, Lehnert, O., Erlström, M. & Dahlqvist, P., 2022, Geological Society of Sweden 150 Year Anniversary Meeting: Abstract volume. Weihed, J. B., Johansson, Å. & Rehnström, E. (eds.). Geologiska Föreningen, p. 320-321 (Geoglogiska Föreningen Specialpublikation, Vol. 1).

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

    14. Published

      Warm-water Tcherskidium fauna (Brachiopoda) in the Late Ordovician Northern Hemisphere of Laurentia and peri-Laurentia

      Jin, J., Blodgett, R. B., Harper, D. A. T. & Rasmussen, Christian Mac Ørum, 2022, In: Journal of Paleontology. 96, 6, p. 1461-1478 18 p.

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

    15. 2021
    16. Published

      Middle Ordovician astrochronology decouples asteroid breakup from glacially-induced biotic radiations

      Rasmussen, Jan Audun Liljeroth, Thibault, Nicolas Rudolph & Rasmussen, Christian Mac Ørum, Dec 2021, In: Nature Communications. 12, 1, 14 p., 6430.

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

    17. Published

      A sequence of temporally separated element peaks; the fingerprint of a biogeochemical event initiated by sedimentary exhalative (SEDEX) brine expulsion

      Arts, M., Cramer, B., Calner, M., Rasmussen, Christian Mac Ørum, Bancroft, A., Oborny, S., Hartke, E., Biebesheimer, E. & Silva, A. D., 4 Mar 2021

      Research output: Other contribution › Research

    18. Published

      A temporal framework for the Mid–early Late Ordovician of Baltica

      Rasmussen, Christian Mac Ørum, Thibault, Nicolas Rudolph, Stouge, Svend, Calner, M., Rasmussen, Jan Audun Liljeroth, Lindskog, A., Bauert, H., Sinnesael, M., Edward, O., Bagnoli, G., Siggaard-Andersen, Marie-Louise, Wu, R., Bauert, G., Ullmann, C. V., Korte, Christoph, Schovsbo, N. & Nielsen, Arne Thorshøj, 2021, In: Journal de l’Association Paléontologique Française. 2021, Numéro Spécial 2, p. 66

      Research output: Contribution to journal › Conference abstract in journal › Research

    19. Published

      Carbon isotope chemostratigraphy and sea-level history of the Hirnantian Stage (uppermost Ordovician) in the Oslo-Asker district, Norway

      Calner, M., Bockelie, J. F., Rasmussen, Christian Mac Ørum, Calner, H., Lehnert, O. & Joachimski, M. M., 2021, In: Geological Magazine. 58, 11, p. 1977-2008 32 p.

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

    20. Published

      Sulfidic anoxia in the oceans during the Late Ordovician mass extinctions – insights from molybdenum and uranium isotopic global redox proxies

      Dahl, Tais Wittchen, Hammarlund, E. U., Rasmussen, Christian Mac Ørum, Bond, D. P. G. & Canfield, D. E., 2021, In: Earth-Science Reviews. 220, 14 p., 103748.

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

    21. Published

      Synchronizing Rock Clocks in the Cambrian

      Zhao, Zhengfu, Thibault, Nicolas Rudolph, Dahl, Tais Wittchen, Schovsbo, N. H., Sørensen, A. L., Rasmussen, Christian Mac Ørum & Nielsen, Arne Thorshøj, 2021. 1 p.

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

    22. 2020
    23. Published

      A multidisciplinary perspective on the Great Ordovician Biodiversification Event and the development of the early Paleozoic world

      Stigall, A. L., Freeman, R. L., Edwards, C. T. & Rasmussen, Christian Mac Ørum, 2020, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 543, 8 p., 109521.

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

    24. Published

      Cyclo and chemostratigraphic characteristics of the Middle Silurian in Gotland, Sweden

      Arts, M., Cramer, B., Calner, M., Rasmussen, Christian Mac Ørum, Bancroft, A., Oborny, S., Hartke, E., Biebesheimer, E. & Silva, A. D., 2020. 1 p.

      Research output: Contribution to conference › Poster › Research

    25. Published

      Middle Ordovician carbonate facies development, conodont biostratigraphy and faunal diversity patterns at the Lynna River, northwestern Russia

      Lindskog, A., Eriksson, M. E., Rasmussen, J. A., Dronov, A. & Rasmussen, Christian Mac Ørum, 2020, In: Estonian Journal of Earth Sciences. 69, 1, p. 37-61

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

    26. Published

      Zooming in on the GOBE – 2020 Virtual Annual Meeting of IGCP 653: Abstracts and programme

      Rasmussen, Christian Mac Ørum (ed.), Stigall, A. L. (ed.), Nielsen, Arne Thorshøj (ed.), Stouge, Svend (ed.) & Schovsbo, N. H. (ed.), 2020, Copenhagen: Geological Survey of Denmark and Greenland (GEUS). 54 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 21, Vol. 2020).

      Research output: Book/Report › Report › Research

    27. 2019
    28. Published

      Correction to ‘The evolutionary dynamics of the Early Palaeozoic marine biodiversity accumulation’

      Kröger, B., Franeck, F. & Rasmussen, Christian Mac Ørum, 4 Dec 2019, In: Proceedings of the Royal Society B: Biological Sciences. 286, 1916, 3 p., 20192358.

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

    29. Published

      The glacially induced Middle Ordovician rise of the Plectambonitoidea (Brachiopoda) and the phylogenetic placement of the Baltic genus Ukoa

      Rasmussen, Christian Mac Ørum & Pedersen, M., 15 Nov 2019, In: Palaeogeography, Palaeoclimatology, Palaeoecology. 534, 14 p., 109319.

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

    30. Published

      Coordinated biotic and abiotic change during the Great Ordovician Biodiversification Event: Darriwilian assembly of early Paleozoic building blocks

      Stigall, A. L., Edwards, C. T., Freeman, R. L. & Rasmussen, Christian Mac Ørum, 15 Sep 2019, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 530, p. 249-270 22 p.

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

    31. Published

      Da temperaturen faldt, fik livet fart på

      Rasmussen, Christian Mac Ørum, 6 Aug 2019

      Research output: Other contribution › Net publication - Internet publication › Communication

    32. Published

      Cascading trend of Early Paleozoic marine radiations paused by Late Ordovician extinctions

      Rasmussen, Christian Mac Ørum, Kroger, B., Nielsen, Morten Lunde & Colmenar, J., 9 Apr 2019, In: Proceedings of the National Academy of Sciences of the United States of America. 116, 15, p. 7207-7213 7 p.

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

    33. Published

      An imprint of astronomical climate forcing in the Baltoscandian Middle Ordovician ‘orthoceratite limestone’?

      Rasmussen, Christian Mac Ørum, Sinnesael, M., Thibault, Nicolas Rudolph, Stouge, Svend, Siggaard-Andersen, Marie-Louise & Schovsbo, N., 2019, In: Geophysical Research Abstracts. 21, 14038, 1 p.

      Research output: Contribution to journal › Conference abstract in journal › Research

    34. Published

      Building mountain biodiversity: geological and evolutionary processes

      Rahbek, Carsten, Borregaard, Michael Krabbe, Antonelli, A., K. Colwell, R., Holt, B. G., Nogues, David Bravo, Rasmussen, Christian Mac Ørum, Richardson, Katherine, Rosing, Minik Thorleif, Whittaker, R. J. & Fjeldså, Jon, 2019, In: Science. 365, 6458, p. 1114-1119 6 p.

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

    35. Published

      Special Issue: Across the Great Ordovician Biodiversification Event (GOBE): Advances in understanding the co-evolution Earth-life system from the late Cambrian through the Katian

      Stigall, A., Edwards, C. T., Freeman, R. L. & Rasmussen, Christian Mac Ørum, 2019, Elsevier.

      Research output: Other contribution › Research

    36. Published

      The evolutionary dynamics of the early Palaeozoic marine biodiversity accumulation

      Kröger, B., Franeck, F. & Rasmussen, Christian Mac Ørum, 2019, In: Proceedings of the Royal Society B: Biological Sciences. 286, 1909, 6 p., 20191634.

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

    37. 2018
    38. Published

      Gamma-ray log correlation and stratigraphic architecture of the Cambro-Ordovician Alum Shale Formation on Bornholm, Denmark: Evidence for differential syndepositional isostasy

      Nielsen, Arne Thorshøj, Schovsbo, N. H., Klitten, K., Woollhead, D. & Rasmussen, Christian Mac Ørum, 2018, In: Bulletin of the Geological Society of Denmark. 66, p. 237-273 18 p.

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

    39. 2017
    40. Published

      Identifying the most surprising victims of mass extinction events: an example using Late Ordovician brachiopods

      Finnegan, S., Rasmussen, Christian Mac Ørum & Harper, D. A. T., Sep 2017, In: Biology Letters. 13, 9, 5 p., 20170400.

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

    41. Published

      Refined Ordovician timescale reveals no link between asteroid breakup and biodiversification

      Lindskog, A., Canas Portela Costa, M. M., Rasmussen, Christian Mac Ørum, Connelly, James & Eriksson, M. E., 24 Jan 2017, In: Nature Communications. 8, 8 p., 14066.

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

    42. Published

      Upper Cambrian to Upper Ordovician δ13C and δ18O stratigraphy of the western Baltic palaeobasin, Öland, Sweden: A closer look at climate during the onset of the Ordovician Radiation

      Edward, O., Korte, Christoph, Ullmann, C. V., Colmenar, J., Nielsen, M., Stouge, Svend & Rasmussen, Christian Mac Ørum, 2017, p. A-389.

      Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

    43. 2016
    44. Published

      Et køligere klima kan skabe øget biodiversitet

      Rasmussen, Christian Mac Ørum, 6 Jan 2016

      Research output: Other contribution › Net publication - Internet publication › Communication

    45. Published

      Biogeographic and bathymetric determinants of brachiopod extinction and survival during the Late Ordovician mass extinction

      Finnegan, S., Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2016, In: Proceedings of the Royal Society B: Biological Sciences. 283, 1829, 9 p., 20160007.

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

    46. 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

    47. Published

      The onset of the 'Ordovician Plankton Revolution' in the late Cambrian

      Servais, T., Perrier, V., Danelian, T., Klug, C., Martin, R., Munnecke, A., Nowak, H., Nützel, A., Vandenbroucke, T. R. A., Williams, M. & Rasmussen, Christian Mac Ørum, 2016, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 458, p. 12-28 17 p.

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

    48. Published

      Towards a calibrated astronomical timescale for the Mid Ordovician

      Rasmussen, Christian Mac Ørum, Thibault, Nicolas Rudolph, Stouge, Svend, Siggaard-Andersen, M. L., Costa, M., Schovsbo, N., Calner, M., Dahlqvist, P., Korte, Christoph, Frei, Robert, Storey, M., Connelly, J., Pedersen, G. K., Rasmussen, B. W., Rasmussen, J. A. & Nielsen, A. T., 2016, p. 2812 .

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

    49. 2015
    50. Published

      Subaerial speleothems and deep karst in central Sweden linked to Hirnantian glaciations

      Kröger, B., Ebbestad, J. O. R., Lehnert, O., Ullmann, C. V., Korte, Christoph, Frei, Robert & Rasmussen, Christian Mac Ørum, 2015, In: Journal of the Geological Society - London. 172, 3, p. 349-356 8 p.

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

    51. 2014
    52. Published

      End Ordovician extinctions: a coincidence of causes

      Harper, D. A. T., Hammarlund, E. U. & Rasmussen, Christian Mac Ørum, 2014, In: Gondwana Research. 25, 4, p. 1294-1307 14 p.

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

    53. Published

      Integrating bed-by-bed palaeobiological and geochemical proxies through the onset of the Great Ordovician Biodiversification Event on Baltica

      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., 2014, p. 81.

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

    54. Late Ordovician carbonate mounds from North Greenland: a peri-Laurentian dimension to the Boda Event?

      Harper, D. A. T., Jin, J. & Rasmussen, Christian Mac Ørum, 2014, In: GFF. 136, 1, p. 95-99 5 p.

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

    55. Phylogeography of Ordovician-Silurian rhynchonelliformean brachiopods: tracking higher order distributional patterns, radiations and extinctions in 4D

      Rasmussen, Christian Mac Ørum, 2014, In: GFF. 136, 1, p. 223-228 6 p.

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

    56. 2013
    57. Published

      Late Ordovician brachiopods from eastern North Greenland: equatorial offshore migration of the Red River fauna

      Rasmussen, Christian Mac Ørum, Mar 2013, In: Palaeontology. 56, 2, p. 359-379 21 p.

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

    58. Published

      Precisely locating the Ordovician equator in Laurentia

      Jin, J., Harper, D. A. T., Cocks, L. R. M., McCausland, P. J. A., Rasmussen, Christian Mac Ørum & Sheehan, P. M., Feb 2013, In: Geology. 41, 2, p. 107-110 4 p.

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

    59. Published

      Biodiversity, biogeography and phylogeography of Ordovician rhynchonelliform brachiopods

      Harper, D. A. T., Rasmussen, Christian Mac Ørum, Liljeroth, M., Blodgett, R. B., Candela, Y., Jin, J., Percival, I. G., Rong, J. Y., Villas, E. & Zhan, R. B., 2013, Early palaeozoic biogeography and palaeogeography. Harper, D. A. T. & Servais, T. (eds.). Geological Society, p. 127-144 18 p. (Geological Society of London. Memoirs; No. 38).

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

    60. 2012
    61. Published

      Late Ordovician brachiopods from West-central Alaska: systematics, ecology and palaeobiogeography

      Rasmussen, Christian Mac Ørum, Harper, D. A. T. & Blodgett, R. B., 2012, Wiley-Blackwell. 103 p. (Fossils and Strata, Vol. 58).

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

    62. Published

      Transgressive-regressive events and facies through the Upper Ordovician– Lower Silurian of Peary Land, North Greenland

      Harper, D. A. T., Rasmussen, Christian Mac Ørum, Munnecke, A., Jin, J., Stouge, Svend & Rasmussen, Jan Audun Liljeroth, 2012, Geophysical Research Abstracts 14, EGU2012-13528, 2012. 2012 ed. Vol. 14. 1 p.

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

    63. 2011
    64. Published

      Reclaiming the tropical shores of Laurentia: the early Silurian pentameroid (r)evolution

      Rasmussen, Christian Mac Ørum, Sep 2011, In: G F F. 133, 1-2, p. 70-71 2 p.

      Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

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