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Modern benthic foraminiferal biofacies across the northern North Sea
Klitgaard Kristensen, D.; Sejrup, H.P. (1996). Modern benthic foraminiferal biofacies across the northern North Sea. Sarsia 81: 97-106
In: Sarsia. University of Bergen. Universitetsforlaget: Bergen. ISSN 0036-4827, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Klitgaard Kristensen, D.
  • Sejrup, H.P.

Abstract
    Foraminiferal distributions along a transect across the northern North Sea have been investigated in 11 surface sediment samples. Based on benthic calcareous foraminifera, four biofacies are defined; the Cibicides lobatulus, the Bulimina marginata, the Elphidium excavatum and the Cassidulina laevigata biofacies. The Cibicides lobatulus biofacies is found in areas with coarse grained sediments and high energy regime. The Bulimina marginata biofacies is found in an area with shifting hydrography and the development of a thermocline. All tests of Elphidium excavatum found in the Elphidium excavatum biofacies are consid-ered reworked. The Cassidulina laevigata biofacies is located in connection with Atlantic water in the Norwegian Channel. The same distribution pattern is found for the agglutinated fauna. The distribution of planktonic specimens reflects the inflow of Atlantic water along the Norwegian Channel and on the Fladen Ground. A total number of 147 benthic species were recognized in the samples.

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