The BGS Lexicon of Named Rock Units — Result Details

Basal Beds [Obsolete: use PLMA, BKBD, SPN]

Computer Code: -3221 Preferred Map Code: notEntered
Status Code: Index Level
Age range: Late Cretaceous Epoch (KU) — Late Cretaceous Epoch (KU)
Lithological Description: [Obsolete: use PLMA]
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):
Gaunt, G D, Fletcher, T P and Wood, C J. 1992. Geology of the country around Kingston upon Hull and Brigg. Memoir of the British Geological Survey, sheets 80 and 89 (England and Wales). 172pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable