The BGS Lexicon of Named Rock Units — Result Details

Nordon Formation

Computer Code: NOSL Preferred Map Code: NoSl
Status Code: Pending Upgrade
Age range: Eifelian Age (DI) — Frasnian Age (DR)
Lithological Description: Mudstone, silty mudstone and slate with subsidiary basaltic tuff, limestone, sandstone, and hyaloclastite.
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: Torbay Group (TBAY)
Previous Name(s): Nordon Slate Formation [Obsolete Name and Code: Use NOSL] (-426)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Leveridge, B E, Scrivener, R C, Goode, A J J and Merriman, R J. 2003. Geology of the Torquay district - a brief explanation of the geological map. Sheet explanation of the British Geological Survey. 1:50 000 Sheet 350 Torquay (England and Wales). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E339