The BGS Lexicon of Named Rock Units — Result Details
Power House Sand and Gravel Member
| Computer Code: | PSTT | Preferred Map Code: | symb |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Devensian Stage (QD) — Devensian Stage (QD) | ||
| Lithological Description: | Pebbly, silty sand/sandy silt; sandy gravel, silty clay and peat. | ||
| Definition of Lower Boundary: | Where river deposits overlie bedrock or glacial deposits. | ||
| Definition of Upper Boundary: | The present day terrace surface. | ||
| Thickness: | To 6.5m | ||
| Geographical Limits: | Bridgnorth (Shropshire) to Worcester - Severn Basin. | ||
| Parent Unit: | Severn Valley Formation (SEVN) | ||
| Previous Name(s): | Power Station Terrace [Obsolete Name and Code: Use PSTT]
(-2986)
1st Terrace Deposits (River Severn) [Obsolete Name and Code: Use PSTT] (-4852) Low Power Station Terrace [Obsolete Name and Code: Use PSTT] (-4853) Power House Member [Obsolete Name and Code: Use PSTT] (-470) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Partial Type Section | Man-made diversion of River Stour, Wilden, Warwickshire. | ||
| Reference(s): | |||
| Barclay, W J, Ambrose K, Chadwick, R A, and Pharaoh, T C. 1997. Geology of the country around Worcester. Memoir of the British Geological Survey, Sheet 199 (England and Wales). | |||
| Mitchell, G H, Pocock, R W, and Taylor, J H. 1962. Geology of the country around Droitwich, Abberley and Kidderminster. Memoir of the Geological Survey of Great Britain, Sheet 182 (England and Wales). | |||
| Maddy, D, Green, C P, Lewis, S G and Bowen, D Q. 1995. Pleistocene Geology of the lower Severn Valley, UK. Quaternary Science Reviews, Vol 14, 209 - 222. | |||
| Wills, L J, 1926. The geology and soils of Hartlebury Common. Proceedings of the Birmingham Natural History Philosophical Society, 15, 95-101. | |||
| Shotton, F W and Coope, G R. 1983. Exposures in the Power House Terrace of the River Stour at Wilden, Worcestershire, England. Proceedings of the Geologists' Association, Vol.94, 33-44. | |||
| Wills, L J, 1938. The Pleistocene development of the Severn from Bridgnorth to the Sea. Quarterly Journal of the Geological Society, 94, 161-242. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| E167 E182 E199 | |||