The BGS Lexicon of Named Rock Units — Result Details

Chalk Marl [Obsolete: use WMCH, BRHD]

Computer Code: CKM Preferred Map Code: notEntered
Status Code: Index Level
Age range: Cenomanian Age (KE) — Cenomanian Age (KE)
Lithological Description: [Obsolete: use WMCH, BRHD]
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: none recorded or not applicable
Geographical Limits: none recorded or not applicable
Parent Unit: none recorded or not applicable
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Jukes-Browne, A J and Hill, W. 1896. A delimitation of the Cenomanian:- being a comparison of the corresponding beds in south-western England and western France. Quarterly Journal of the Geological Society, Vol.52, 99-177. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E204 E284