The BGS Lexicon of Named Rock Units — Result Details

Gwynllwg Formation [Obsolete: use WLLEV]

Computer Code: -1921 Preferred Map Code: notEntered
Status Code: Index Level
Age range: Quaternary Period (Q) — Quaternary Period (Q)
Lithological Description: [Obsolete: use WLLEV] Bowen, 1999.
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):
Bowen, D Q. 1999. Wales. Chapter 7 in A revised correlation of Quaternary deposits in the British Isles. Bowen, D Q (editor). Geological Society of London Special Report, No. 23. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable