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
|
Stratotypes: |
Type Area |
Exposures between Badharlick - Launceston - Lydford. |
Reference(s): |
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: |
E337
|