The BGS Lexicon of Named Rock Units — Result Details
Witch Ground Formation
| Computer Code: | WGD | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Pending Upgrade | ||
| Age range: | Marine Isotope Stage 2 (QMIS002) — Marine Isotope Stage 1 (QMIS001) | ||
| Lithological Description: | Acoustically transparent, multilayered with pockmarks mainly muds, some sand/silt. | ||
| Definition of Lower Boundary: | Possible unconformity on ice-scoured surface. | ||
| Definition of Upper Boundary: | Seabed. | ||
| Thickness: | 30 - 0 metres. | ||
| Geographical Limits: | Not defined. | ||
| Parent Unit: | Reaper Glacigenic Group (REAP) | ||
| Previous Name(s): | Witch Ground Deposits [Obsolete Name and Code: Use WGD]
(-4395)
Witch Ground Beds (-5060) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| none recorded or not applicable | |||
| Reference(s): | |||
| Holmes, R. 1977. Quaternary deposits of the central North Sea 5. The Quaternary geology of the UK sector of the North Sea between 56° and 58° N. Report of the Institute of Geological Sciences, No. 77/14. | |||
| Stoker, M S, Long, D, and Fyfe, J A. 1985. A revised Quaternary stratigraphy for the central North Sea. Report of the British Geological Survey, Vol. 17, No. 2. | |||
| Cameron, T D J, and Holmes, R. 1999. The Continental Shelf. 125-139 in A revised correlation of Quaternary deposits in the British Isles. Bowen, D Q (editor). Special Report of the Geological Society of London, No. 23. | |||
| Stoker, M S, Balson, P S, Long, D, and Tappin, D R. 2011. An overview of the lithostratigraphical framework for the Quaternary deposits on the United Kingdom continental shelf. British Geological Survey Research Report, RR/11/03. 48pp. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| none recorded or not applicable | |||