Bulletin of the Geological Society of Finland (Dec 1975)

Whole rock Pb—Pb isochron age for the Pääkkö iron formation in Väyrylänkylä, South Puolanka area, Finland

  • M. Sakko,
  • K. Laajoki

DOI
https://doi.org/10.17741/bgsf/47.1-2.013
Journal volume & issue
Vol. 47, no. 1-2
pp. 113 – 116

Abstract

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This paper is a short comment on the first whole rock Pb—Pb isochron age determination for the Marine Jatulian rocks of the Karelides (Middle Precambrian) in Finland. According to this method the age of the Pääkkö iron formation is 2 080 ± 45 Ma.