The BGS Lexicon of Named Rock Units — Result Details

Egmond Ground Formation

Computer Code: EG Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Marine Isotope Stage 11 (QMIS011) — Marine Isotope Stage 11 (QMIS011)
Lithological Description: Fine-grained, sparsely shelly marine sands with clay interbeds (markedly less shelly than younger sands of the Eem Formation).
Definition of Lower Boundary: Overlies Early or Middle Pleistocene sediments.
Definition of Upper Boundary: Overlain by Eemian marine sands (Eem Formation), early Weichselian brackish-marine clays (Brown Bank Formation) or Holocene marine sands.
Thickness: 0 - 10 metres
Geographical Limits: Not defined.
Parent Unit: California Glacigenic Group (CALIF)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
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. 
Cameron, T D J, Laban, C, and Schuttenhelm, R T E. 1984. Solid Geology, Quaternary Geology and Sea-Bed Sediments of the United Kingdom and Continental Shelf. British Geological Survey, 1:250 000 series, 52N-02E Quaternary: Flemish Bight, Quaternary Geology, MR/85/38. (Southampton: Ordnance Survey for the British Geological Survey.) 
Cameron, T D J, Crosby, A, Balson, P S, Jeffery, D H, Lott, G K, Bulat, J, and Harrison, D J. 1992. United Kingdom offshore regional report: the geology of the southern North Sea. (London: HMSO for the British Geological Survey.) 
Gatliff, R W, Richards, P C, Smith, K, Graham, C C, McCormac, M, Smith, N J P, Long, D, Cameron, T D J, Evans, D, Stevenson, A G, Bulat, J, and Ritchie, J D. 1994. United Kingdom offshore regional report: the geology of the central North Sea. (London: HMSO for the British Geological Survey.) 
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable