Braksøya Formation
Norwegian geological formation / From Wikipedia, the free encyclopedia
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]
Quick Facts Type, Overlies ...
Braksøya Formation | |
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Stratigraphic range: Sheinwoodian ~428–426 Ma | |
Type | Formation |
Overlies | Ringerike & Modum: Bruflat Formation Skien & Holmestrand: Porsgrunn & Skinnerbukta Formations |
Lithology | |
Primary | Limestone |
Location | |
Coordinates | 60.0°N 10.2°E / 60.0; 10.2 |
Approximate paleocoordinates | 21.1°S 8.1°W / -21.1; -8.1 |
Region | Buskerud |
Country | Norway |
Extent | Shallow Caledonian foreland basin |
Type section | |
Named for | Braksøya naturreservat [no] |
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