Middle–Upper Ordovician and Silurian stratigraphy and basin development in southernmost Scandinavia

Authors

  • Niels H. Schovsbo Geological Survey of Denmark and Greenland, Øster Voldgade 10, DK-1350 Copenhagen K. Denmark
  • Arne T. Nielsen Department of Geosciences and Natural Resource Management, University of Copenhagen, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark
  • Mikael Erlström Geological Survey of Sweden (SGU), Kiliansgatan 10, SE-223 50 Lund, Sweden

DOI:

https://doi.org/10.34194/geusb.v35.4907

Abstract

A complete log-stratigraphical breakdown of the Middle Ordovician to lower Silurian shale-dominated succession is presented for the Bornholm–Skåne–Kattegat area in southernmost Scandinavia. A wireline log zonation developed for the onshore Bornholm Palaeozoic shales is extended to include the offshore Palaeozoic shales in the adjacent Rønne Graben. A complete log zonation scheme for the Cyrtograptus shale (late Llandovery–Wenlock) and the lower part of the Colonus shale (Ludlow) is presented including correlation within the Bornholm–Skåne–Kattegat area. The Cyrtograptus shale in the Bornholm area is estimated to be 400 m thick and marks the shift to a rapidly subsiding foreland basin, heralding the Caledonian Orogeny.

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Published

2016-07-15

How to Cite

Schovsbo, N. H., Nielsen, A. T., & Erlström, M. (2016). Middle–Upper Ordovician and Silurian stratigraphy and basin development in southernmost Scandinavia. GEUS Bulletin, 35, 39–42. https://doi.org/10.34194/geusb.v35.4907

Issue

Section

RESEARCH ARTICLE | SHORT

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