The BGS Lexicon of Named Rock Units — Result Details

Lower Oxford Clay Member [Obsolete Name And Code: See PET]

Computer Code: LOXC Preferred Map Code: notEntered
Status Code: Index Level
Age range: Callovian Age (JC) — Callovian Age (JC)
Lithological Description: Fossiliferous pale grey and brown-grey bituminous mudstones with thin nodular limestones. See also the definition of the Peterborough Member (PET), and Horton (1989).
Definition of Lower Boundary: As for the Peterborough Member (PET).
Definition of Upper Boundary: As for the Peterborough Member (PET).
Thickness: 0 to c.65m
Geographical Limits: Dorset to Humberside.
Parent Unit: Oxford Clay Formation (OXC)
Previous Name(s): none recorded or not applicable
Alternative Name(s): Peterborough Member
Stratotypes:
none recorded or not applicable
Reference(s):
Horton, A, Sumbler, M G, Cox, B M and Ambrose, K, 1995. Geology of the country around Thame. Memoir of the British Geological Survey, Sheet 237 (England and Wales). 
Cox, B M, Hudson, J D and Mastill, D M. 1992. Lithostratigraphic nomenclature of the Oxford Clay (Jurassic). Proceedings of the Geologists' Association, 103, 343-345. 
Gallois, R W, 1994. The geology of the country around King's Lynn and The Wash. Memoir of the British Geological Survey, Sheet 145 and part of 129 (England and Wales). 
Horton, A. 1989. Geology of the Peterborough district. Memoir of the British Geological Survey, Sheet 158 (England & Wales). 
Arkell, W J. 1947. The Geology of Oxford. 267pp. [Oxford: Clarendon Press.] 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E144 E237