The BGS Lexicon of Named Rock Units — Result Details
Weston Flags Formation
Computer Code: | WSN | Preferred Map Code: | Wsn |
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Status Code: | Pending Upgrade | ||
Age range: | Abereiddian Stage (O2) — Abereiddian Stage (O2) | ||
Lithological Description: | Flaggy siltstones and fine-grained sandstones. | ||
Definition of Lower Boundary: | Underlain by Stapeley Volcanic Formation and Hope Group Shales. | ||
Definition of Upper Boundary: | Overlain by Betton Shale Formation. | ||
Thickness: | Not defined. | ||
Geographical Limits: | Not defined. | ||
Parent Unit: | Not Applicable (-) | ||
Previous Name(s): | Weston Beds [Obsolete Name and Code: Use WSN]
(-2525)
Weston Group [Obsolete Name and Code: Use WSN] (-4407) Weston Member [Obsolete Name and Code: Use WSN] (-4408) |
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Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
none recorded or not applicable | |||
Reference(s): | |||
Whittard, W F. 1931. The geology of the Ordovician and Valentian rocks of the Shelve Country, Shropshire. Proceedings of the Geologists' Association, Vol.42, 322-344. | |||
Lapworth, C . 1887. The Ordovician rocks of Shropshire. British Association for the Advancement of Science. Report for 1886. Birmingham Meeting 662. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E165 |