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

15-07-2016

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

Vol. 35 (2016): Review of Survey activities 2015

Section

RESEARCH ARTICLE | SHORT

License

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

GEUS Bulletin is an open-access, peer-reviewed journal published by the Geological Survey of Denmark and Greenland (GEUS). This article is distributed under a CC-BY 4.0 licence, permitting free redistribution and reproduction for any purpose, even commercial, provided proper citation of the original work. Author(s) retain copyright over the article contents. Read the full open access policy.

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