The BGS Lexicon of Named Rock Units — Result Details

Lower Acid Group [Obsolete: use OF]

Computer Code: -432 Preferred Map Code: notEntered
Status Code: Index Level
Age: []
Lithological Description: [Obsolete: use OF]
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):
Cox, A H. 1925. The geology of the Cadair Idris Range, (Merioneth). Quarterly Journal of the Geological Society of London, Vol.81, p.539-592. 
Jones, B, 1933. The geology of the Fairbourne-Llwyngwril district, Merioneth. Quarterly Journal of the Geological Society, Vol.89, 145-171. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable