| Computer Code: |
DBB |
Preferred Map Code: |
notEntered |
| Status Code: |
Pending Upgrade |
| Age range: |
Abereiddian Stage (O2)
— Abereiddian Stage (O2) |
| Lithological Description: |
[Obsolete: use ABGW]
Grey silty graptolitic mudstones with thin tuffaceous horizons. |
| Definition of Lower Boundary: |
Awaits modern stratigraphical study. |
| Definition of Upper Boundary: |
Awaits modern stratigraphical study. |
| Thickness: |
Unspecified |
| Geographical Limits: |
Not specified. |
| Parent Unit: |
none recorded or not applicable
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E245
E244
E229
E210
|
