The BGS Lexicon of Named Rock Units — Result Details

Overwood Slate Member

Computer Code: OVSL Preferred Map Code: notEntered
Status Code: Pending Upgrade
Age range: Famennian Age (DA) — Famennian Age (DA)
Lithological Description: Greenish grey silty slate.
Definition of Lower Boundary: Thrust fault.
Definition of Upper Boundary: Thrust fault.
Thickness: Not known.
Geographical Limits: West Devon.
Parent Unit: Liddaton Formation (LIDN)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Type Area  Exposures to the north of Lifton and Liftondown, and west of 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:
none recorded or not applicable