The BGS Lexicon of Named Rock Units — Result Details
Woolridge Sand and Gravel Member
| Computer Code: | WDGE | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Pleistocene Epoch (QP) — Pleistocene Epoch (QP) | ||
| Lithological Description: | Sandy, clayey coarse-grained gravel, predominantly 'bunter' quartzite pebbles with 5-10% flints and rare Malvernian, Lower Palaeozoic and igneous clasts. Inferred to be glaciofluvial outwash. | ||
| Definition of Lower Boundary: | Gravel overlying till correlated with the Thrussington Member, or bedrock. | ||
| Definition of Upper Boundary: | Present day ground level. | ||
| Thickness: | Variable, up to 2 m. | ||
| Geographical Limits: | Isolated outliers on high ground, 80-85 m above OD, near the River Severn, 10-13 km west of Cheltenham. | ||
| Parent Unit: | Wolston Glacigenic Formation (WOLS) | ||
| Previous Name(s): | Woolridge Gravels
(-603)
Woolridge Terrace [Obsolete Name and Code: Use WDGE] (-4394) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Woolridge Inferred to be glaciofluvial outwash. | ||
| Reference(s): | |||
| Worssam, B C, Ellison, R A and Moorlock, B S P. 1989. Geology of the country around Tewkesbury. Memoir of the British Geological Survey, Sheet 216 (England and Wales). | |||
| Maddy, D. 1999. English Midlands Chapter 3 in Bowen, D Q (Editor), A revised correlation of the Quaternary deposits in the British Isles. Geological Society Special Report, No.23. | |||
| Hey, R W. 1958. High-level gravels in and near the lower Severn Valley. Geological Magazine, Vol. 95, 161-168. | |||
| Barclay, W J, Brandon, A, Ellison, R A, and Moorlock, B S P. 1992. A Middle Pleistocene palaeovalley-fill west of the Malvern Hills. Journal of the Geological Society of London, Vol. 149, 75-92. | |||
| 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: | |||
| E216 | |||