The BGS Lexicon of Named Rock Units — Result Details

Fladen Member

Computer Code: WGDF Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Pleistocene Epoch (QP) — Pleistocene Epoch (QP)
Lithological Description: Moderately sorted sandy mud, intermediate-high plasticity, sporadic dropstones and rare shell fragments.
Definition of Lower Boundary: Underlain unconformably by an ice-scorned surface of Swatchway, Coal Pit and Fisher Formation.
Definition of Upper Boundary: Overlain conformably by Witch Member of Witch Ground Formation.
Thickness: 10 metres. Lateral variations up to 15 metres.
Geographical Limits: Not defined.
Parent Unit: Witch Ground Formation (WGD)
Previous Name(s): Lower Witch Ground Deposits (-605)
Fladen Deposits (-4396)
Alternative Name(s): none recorded or not applicable
none recorded or not applicable
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable