| Computer Code: |
PDB |
Preferred Map Code: |
PDB |
| Status Code: |
Full |
| Age range: |
Brigantian Substage (CX)
— Brigantian Substage (CX) |
| Lithological Description: |
Predominantly of mudstone and siltstone with beds of dolomite and limestone; sandstone is subordinate to the argillaceous rocks: overall pattern of sedimentation is cyclic with marine influence (marine bands common). |
| Definition of Lower Boundary: |
The conformable base of the Formation lies in a transitional sequence from the Sandy Craig Formation, the boundary being drawn at the base of the West Braes Marine Band. The boundary was originally drawn at a slightly lower level in the type section; the change was made by Browne (1986, fig.2). |
| Definition of Upper Boundary: |
The upper boundary is at the base of the Hurlet Limestone (base of Lower Limestone Formation). |
| Thickness: |
Maximum thickness is about 220m in East Fife |
| Geographical Limits: |
Central and East Fife. |
| Parent Unit: |
Strathclyde Group (SYG)
|
| Previous Name(s): |
Pathhead Beds [Obsolete Name and Code: Use PDB]
(-4832)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
On the Fife coast at Pathhead. |
| Reference(s): |
| Forsyth, I H and Chisholm, J I, 1977. The geology of east Fife. Memoirs of the Geological Survey of Great Britain. |
| Browne, M A E. 1986. The Classification of the Lower Carboniferous in Fife and Lothian. Scottish Journal of Geology, Vol. 22, 422-425. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S040
S032
S032
S049
S041
|
