The BGS Lexicon of Named Rock Units — Result Details
Spy Wood Sandstone Formation
| Computer Code: | SPW | Preferred Map Code: | SpW |
|---|---|---|---|
| Status Code: | Pending Upgrade | ||
| Age range: | Caradoc Series (O4) — Caradoc Series (O4) | ||
| Lithological Description: | Calcareous quartz mudstone. | ||
| Definition of Lower Boundary: | Overlies Rorrington Shale Formation. | ||
| Definition of Upper Boundary: | Underlies Aldress Shale. | ||
| Thickness: | Not defined. | ||
| Geographical Limits: | Not defined. | ||
| Parent Unit: | Chirbury Group (CBY) | ||
| Previous Name(s): | Spy Wood Grit [Obsolete Name and Code: Use SPW]
(-4341)
Spy Wood Member [Obsolete Name and Code: Use SPW] (-2443) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| none recorded or not applicable | |||
| Reference(s): | |||
| Lapworth, C . 1887. The Ordovician rocks of Shropshire. British Association for the Advancement of Science. Report for 1886. Birmingham Meeting 662. | |||
| 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. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E165 | |||