The BGS Lexicon of Named Rock Units — Result Details
Hastings Beds (Subgroup) [Obsolete]
| Computer Code: | HAS | Preferred Map Code: | HB |
|---|---|---|---|
| Status Code: | Pending Upgrade | ||
| Age range: | Berriasian Age (KR) — Valanginian Age (KV) | ||
| Lithological Description: | [Obsolete] Ferruginous sandstones, siltstones and shales. | ||
| Definition of Lower Boundary: | Base of silts and sands of Ashdown Formation on soft mudstones of the Upper Purbeck. | ||
| Definition of Upper Boundary: | Top of highest sandstone of the Tunbridge Wells Sand Formation beneath clayey silts and silty clays (without sandstones) of the Weald Clay Formation. | ||
| Thickness: | 0-400m | ||
| Geographical Limits: | The Weald. | ||
| Parent Unit: | none recorded or not applicable | ||
| Previous Name(s): | Hastings Sands [Obsolete Name and Code: Use HAS]
(-306)
Hastings Beds [Obsolete Name and Code: Use HAS] (-2230) |
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| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Reference Section | Type sections/reference sections for component formations given by Bristow and Bazley (1972). From the base these are the Ashdown Formation, the Wadhurst Clay Formation and the Tunbridge Wells Sand Formation | ||
| Reference(s): | |||
| Rawson, P F, Curry, D, Dilley, F C, Hancock, J M, Kennedy, W J, Neale, J W, Wood, C J and Worrsam, B C. 1978. A correlation of Cretaceous rocks in the British Isles. Geological Society of London, Special Report No.9. | |||
| Bristow, C R, and Bazley, R A. 1972. Geology of the country around Royal Tunbridge Wells. Memoir of the Geological Survey of Great Britain, sheet 303 (England and Wales). | |||
| Rawson, P F. 1992. Cretaceous, 355-388 in Duff, P McL D and Smith, A J (editors), Geology of England and Wales. (London: Geological Society.) | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E286 E287 E288 E302 E303 E304 E305 E318 E333 E319 E320 E321 E331 E289 | |||