The BGS Lexicon of Named Rock Units — Result Details

Duddon Hall Tuffs [Obsolete: use DH]

Computer Code: -2750 Preferred Map Code: notEntered
Status Code: Index Level
Age: []
Lithological Description: [Obsolete: use DH]
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):
Firman, R G J, 1957. The Borrowdale Volcanic Series between Wastwater and Duddon Valley, Cumberland. Proceedings of the Yorkshire Geological Society, Vol.31, p.39-64. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable