Computer Code: |
LCGMB |
Preferred Map Code: |
notEntered |
Status Code: |
Index Level |
Age range: |
Bolsovian Substage (CC)
— Bolsovian Substage (CC) |
Lithological Description: |
Local name for the Shafton Marine Band (SFMB) in the South Wales Coalfield, possibly still in use to some extent. Mudstone. |
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: |
South Wales Coalfield. |
Parent Unit: |
South Wales Middle Coal Measures Formation (SWMCM)
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
Shafton 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. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
none recorded or not applicable |