| Computer Code: |
CIMB |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Langsettian Substage (CA)
— Langsettian Substage (CA) |
| Lithological Description: |
Local name for the Subcrenatum Marine Band (SBMB) in part(s) of the Dungannon area, Northern Ireland, possibly still in current use to some extent. Black mudstone containing Gastrioceras subcrenatum. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
none recorded or not applicable
|
| Geographical Limits: |
Part(s) of the Dungannon area, Northern Ireland. |
| Parent Unit: |
Coal Measures Group [N Ireland only] (CM)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
Subcrenatum Marine Band
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Ramsbottom, W H C, Calver, M A, Eagar, R M C, Hodson, F, Holliday, D W, Stubblefield, C J and Wilson, R B. 1978. A correlation of the Silesian rocks in the British Isles. Geological Society of London, Special Report No.10. |
| Waters, C N, et al. 2011. A revised correlation of Carboniferous rocks in the British Isles. Geological Society of London Special Report No. 26. 186pp. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
N35
|
