A micrometeorite record in Ordovician Durness Group limestones, Isle of Skye

John Parnell, Natalie Salter, Peter West

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Samples of mid-Ordovician Durness Group limestone from Skye yield micrometeorites in the magnetic fraction after dissolution in acid. The micrometeorites are concentrated in the upper part of the sequence, in the Arenig Balnakeil and Croisaphuill formations. This finding is consistent with their stratigraphic distribution determined previously in the Durness district. A single sample of contemporaneous limestones from the Highland Border Fault Zone also yielded a micrometeorite. These observations suggest an elevated flux of meteoritic matter, shortly before the greatest concentration of meteorites in the geological record in the mid-Ordovician of Sweden.
Original languageEnglish
Pages (from-to)81-87
Number of pages7
JournalEarth and Environmental Science Transactions of the Royal Society of Edinburgh
Issue number2
Early online date27 Apr 2016
Publication statusPublished - Jun 2016

Bibliographical note

B. Fulton and A. Sandison provided skilled technical assistance. NS was in receipt of a Carnegie Vacation Scholarship, which was the basis of this project. Referees M. Lee and M. Genge and the Editor considerably improved earlier versions of the manuscript, for which we are very grateful.


  • Arenig
  • cosmic spherule
  • meteorite
  • meteoritic flux
  • Scotland


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