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The Ashdown Formation is a geological unit, which forms part of the Wealden Group and the lowermost and oldest part of the now unofficial Hastings Beds. These geological units make up the core of the Weald in the English counties of East Sussex and Kent.
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formation ashdown hastings east beds weald sussex geological part sandstone clay clays wadhurst wealden early cliff fairlight group berriasian valanginian
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Ashdown Formation | Country | UK | 1.00 | infobox |
| Ashdown Formation | Extent | Weald Basin | 1.00 | infobox |
| Ashdown Formation | Named for | Ashdown Forest | 1.00 | infobox |
| Ashdown Formation | Other | Mudstone, Clay | 1.00 | infobox |
| Ashdown Formation | Overlies | Durlston Formation | 1.00 | infobox |
| Ashdown Formation | Primary | Siltstone, Sandstone | 1.00 | infobox |
| Ashdown Formation | Sub-units | Fairlight Clays | 1.00 | infobox |
| Ashdown Formation | Thickness | typically in the range 200-230 m | 1.00 | infobox |
| Ashdown Formation | Type | Geological formation | 1.00 | infobox |
| Ashdown Formation | Underlies | Wadhurst Clay Formation | 1.00 | infobox |
| Ashdown Formation | Unit of | Wealden Group | 1.00 | infobox |
| Ashdown Formation | is a | geological unit | 0.90 | text |
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