Английская Википедия:Braksøya Formation

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Шаблон:Short description Шаблон:Infobox rockunit The Braksøya Formation is a geologic formation in the Ringerike and Modum areas in Buskerud, Norway, where it overlies the Bruflat Formation and the Skien and Holmestrand areas where it overlies the Porsgrunn Formation and Skinnerbukta Formation respectively.[1] The formation, deposited in a shallow Caledonian foreland basin at the edge of a closing Iapetus Ocean,[2] preserves fossils dating back to the Sheinwoodian stage of the Silurian period.[3]

Fossil content

Файл:Laurasia 430Ma.jpg
Paleogeography of the Early Silurian with the closing Iapetus Ocean due to the Caledonian orogeny between Greenland and Norway

The stromatoporoid bioherms of the Braksøya Formation have provided fossils of:[3][4]

See also

References

Шаблон:Reflist

Bibliography

  1. Worsley et al., 2011, p.102
  2. Worsley et al., 2011, p.117
  3. 3,0 3,1 Braksøya Formation at Fossilworks.org
  4. Nestor, 1999