The BGS Lexicon of Named Rock Units — Result Details

Lower Clay Member (Breydon Formation)

Computer Code: BRY2 Preferred Map Code: notEntered
Status Code: Full
Age range: Holocene Epoch (QH) — Holocene Epoch (QH)
Lithological Description: Unconsolidated silt and clay with a shelly marine fauna. Sand is generally a minor component, though locally substantial sand bodies interrupt the argillaceous succession.
Definition of Lower Boundary: Underlain by the Lower Peat Member (BRY1).
Definition of Upper Boundary: Overlain by the Middle Peat Member (BRY3).
Thickness: none recorded or not applicable
Geographical Limits: Confined to the valleys of the River Bure and River Yare near Great Yarmouth.
Parent Unit: Breydon Formation (BRYD)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
McMillan, A A, Hamblin, R J O, and Merritt, J W. 2011. A lithostratigraphical framework for onshore Quaternary and Neogene (Tertiary) superficial deposits of Great Britain and the Isle of Man. British Geological Survey Research Report, RR/10/03. 343pp. 
Arthurton, R S, Booth, S J, Morigi, A N, Abbott, M A W, and Wood, C J. 1994. Geology of the country around Great Yarmouth, Sheet Memoir 162, British Geological Survey. [London: HMSO.] 138pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E162