| Computer Code: |
FMN |
Preferred Map Code: |
FMN |
| Status Code: |
Full |
| Age range: |
Late Devonian Epoch (DU)
— Courceyan Substage (CF) |
| Lithological Description: |
Red-brown silty mudstone with a few sandstones and beds with nodules of pedogenic limestone. |
| Definition of Lower Boundary: |
Conformable on the underlying Doughend Sandstone Member and marked by a change from yellow sandstone with a few concretionary nodules to red-brown mudstone and siltstone of the Foulport Mudstone Member (Monro, 1999). |
| Definition of Upper Boundary: |
Conformable and overlain by variegated sandstones with concretions of the West Bay Cornstone Member. |
| Thickness: |
About 200 m. BGS (2008) gave a generalised thickness of 198 m for the member. |
| Geographical Limits: |
Cumbrae Islands in Strathclyde, Scotland. |
| Parent Unit: |
Kinnesswood Formation (KNW)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Area |
Coast section at Foul Port, Millport Bay, Great Cumbrae, Strathclyde, Scotland. |
| Reference(s): |
| Dean, M T, Browne, M A E, Waters, C N, and Powell, J H. 2011. A lithostratigraphical framework for the Carboniferous successions of northern Great Britain (onshore). British Geological Survey Research Report RR/10/007. 165 pp. |
| Monro, S K. 1999. Geology of the Irvine District. Memoir of the British Geological Survey, Sheet 22W and part of 21E (Scotland). |
| British Geological Survey. 2008. Dunoon and Millport. Scotland Sheet 29E with part of 21E. Bedrock and Superficial Deposits. 1:50 000. (Keyworth, Nottingham: British Geological Survey.) |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
S021
|
