Ballagan Formation
The Ballagan Formation is a geologic formation in Scotland and England. It preserves fossils dating back to the early part of the Carboniferous period (Tournaisian–Visean).[1]
| Ballagan Formation Stratigraphic range: Tournaisian–Visean | |
|---|---|
 Exposure of alternating siltstone and dolomite layers of the Ballagan Formation in the bank of Tarras Water | |
| Type | Formation |
| Unit of | Inverclyde Group |
| Underlies | Clyde Sandstone Formation |
| Overlies | Kinnesswood Formation |
| Area | Central Lowlands, Northern England |
| Thickness | ~900 m |
| Lithology | |
| Primary | mudstone, cementstone, siltstone |
| Other | sandstone |
| Location | |
| Region | Scotland |
| Country | United Kingdom |
| Type section | |
| Named for | Ballagan Glen |
References
- British Geological Survey. "Ballagan Formation". BGS Lexicon of Named Rock Units. Retrieved 2018-03-08.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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