The BGS Lexicon of Named Rock Units — Result Details

Chalk Rock [Obsolete: use CKR]

Computer Code: -2091 Preferred Map Code: notEntered
Status Code: Index Level
Age range: Late Cretaceous Epoch (KU) — Late Cretaceous Epoch (KU)
Lithological Description: [Obsolete: use CKR]
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. 1904. The Cretaceous Rocks of Britain, Vol.3. The Upper Chalk of England. Memoir of the Geological Survey of Great Britain. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable