| Computer Code: |
WMMB |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Bolsovian Substage (CC)
— Bolsovian Substage (CC) |
| Lithological Description: |
Local name for the Edmondia Marine Band (EMMB) in the Northumberland and Durham coalfields, possibly still in use to some extent. Shelly 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: |
Northumberland and Durham coalfield areas. |
| Parent Unit: |
Pennine Middle Coal Measures Formation (PMCM)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
Edmondia Marine Band
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Smith, D B, 1994. Geology of the country around Sunderland. Memoir of the British Geological Survey, Sheet 21, (England and Wales). |
| 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: |
|
E014
E021
|
