Balder Formation
| Balder Formation Stratigraphic range: Eocene | |
|---|---|
| Type | Formation |
| Unit of | Moray Group |
| Underlies | Horda Formation, Mousa Formation or Tay Formation |
| Overlies | Sele Formation or Dornoch Formation, Montrose Group |
| Thickness | 30 - >300 m |
| Lithology | |
| Primary | Mudstone, tuff |
| Other | Sandstone |
| Location | |
| Region | Central and northern North Sea, Faroe-Shetland Basin |
The Balder Formation is a geological formation of lowermost Eocene in age, found in the Central and Northern North Sea and Faroe-Shetland Basin.[1] The formation is named after Balder, a god from Norse mythology. Layers of tuff are found, particularly at the base of the unit, deposited by airfall from volcanoes associated with the North Atlantic Igneous Province.[2]
References
- ↑ British Geological Survey. "Balder Formation". The BGS Lexicon of Named Rock Units.
- ↑ Morton A.C.; Knox R.W.O'B. "Geochemistry of late Palaeocene and early Eocene tephras from the North Sea Basin" (PDF). Journal of the Geological Society, London. 147 (3): 425–437. doi:10.1144/gsjgs.147.3.0425.
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