Computer Code: |
POBS |
Preferred Map Code: |
notEntered |
Status Code: |
Full |
Age range: |
Eifelian Age (DI)
— Eifelian Age (DI) |
Lithological Description: |
Prominent thick (>4m), cross-bedded sandstone units in a generally sandy sequence with lenticular bedding. |
Definition of Lower Boundary: |
Conformable on the top of the uppermost green siltstone of the underlying Tang Sandstone Member. |
Definition of Upper Boundary: |
Faulted against the Crosskirk Bay Formation by the Bridge of Forss Fault at Port of Brims. |
Thickness: |
c.30m |
Geographical Limits: |
Onshore and immediately offshore of the Dounreay area, Caithness, Northern Scotland.
Geographical Map Scotland Sheet 115E. |
Parent Unit: |
Mey Flagstone Formation (MEY)
|
Previous Name(s): |
Tang Sandstone Formation [Obsolete Name and Code: Use POBS, TANG]
(-463)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Section |
East side of Port of Brims to the Tang headland on the coastal outcrop c.7 km northwest of Thurso, Caithness (Fletcher and Key, 1991). |
Reference(s): |
British Geological Survey. (In preparation, to be published in 2005). Bedrock geology. Scotland Special Sheet (Dounreay). 1:25 000. |
Fletcher, T P and Key, R M. 1991. Solid geology of the Dounreay District. British Geological Survey Technical Report WA/91/35C. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |