| Computer Code: |
LIDN |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| 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
|