The BGS Lexicon of Named Rock Units — Result Details

Liddaton Formation

Computer Code: LIDN Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Famennian Age (DA) — Famennian Age (DA)
Lithological Description: Grey and greenish grey slate, siltstone and sandstone laminae. (This formation includes the Overwood Slate Member).
Definition of Lower Boundary: Not seen.
Definition of Upper Boundary: Thrust fault.
Thickness: Not known.
Geographical Limits: East Cornwall - West Devon.
Parent Unit: Not Applicable (-)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Area  Exposures between Badharlick - Launceston - Lydford. 
British Geological Survey, 1993. Tavistock. England and Wales Sheet 337. Solid and Drift 1:50 000 Provisional Series (Keyworth, Nottingham: British Geological Survey). 
1:50K maps on which the lithostratigraphical unit is found, and map code used: