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 (-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