The BGS Lexicon of Named Rock Units — Result Details

Holywell Nodular Chalk Member [Obsolete: use HCK]

Computer Code: -1589 Preferred Map Code: notEntered
Status Code: Index Level
Age range: Late Cretaceous Epoch (KU) — Late Cretaceous Epoch (KU)
Lithological Description: [Obsolete: use HCK]
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):
Bristow, C R, Mortimore, R N, and Wood C J. 1997. Lithostratigraphy for mapping the Chalk of southern England. Proceedings of the Geologists' Association, Vol. 108(4), 293-315. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable