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Per Ahlberg

Per Ahlberg

Professor emeritus

Per Ahlberg

Silurian graptolite biostratigraphy of the Rostanga-1 drill core, Scania - a standard for southern Scandinavia

Author

  • Joerg Maletz
  • Per Ahlberg
  • Anna Suyarkova
  • David Kendrick Loydell

Summary, in English

The Rostanga-1 core from west-central Scania provides the most complete succession of the Sandbian (Upper Ordovician) through lower Telychian (Silurian, Llandovery) strata of southern Scandinavia. The Hirnantian is identified in the Kallholn Formation by the presence of a Metabolograptus persculptus Biozone fauna. The Akidograptus ascensus, Parakidograptus acuminatus, Cystograptus vesiculosus and Monograptus revolutus biozones can be differentiated in the Rhuddanian. Following a considerable gap (Demirastrites triangulatus Biozone to a level within the Pribylograptus leptotheca Biozone), the succession resumes. The Aeronian also includes the Lituigraptus convolutus and Stimulograptus sedgwickii biozones. The Stimulograptus halli Biozone appears to be missing, but the Telychian Spirograptus guerichi to Streptograptus crispus biozones have been recognized.

Department/s

  • Lithosphere and Biosphere Science

Publishing year

2014

Language

English

Pages

175-178

Publication/Series

GFF

Volume

136

Issue

1

Document type

Journal article

Publisher

Taylor & Francis

Topic

  • Geology

Keywords

  • Graptolites
  • biostratigraphy
  • Ordovician
  • Silurian
  • Scania
  • Sweden

Status

Published

ISBN/ISSN/Other

  • ISSN: 2000-0863