| Computer Code: |
CNT |
Preferred Map Code: |
Cnt |
| Status Code: |
Full |
| Age range: |
Cautleyan Stage (OU)
— Cautleyan Stage (OU) |
| Lithological Description: |
Cross-laminated thin sandstones with subordinate mudstones. Rich shelly fauna. |
| Definition of Lower Boundary: |
Taken at sharp incoming of sandstone dominated sequence above burrow mottled mudstones with sparse thin sandstones. |
| Definition of Upper Boundary: |
Gradational but taken at incoming of mudstone dominated sequence of burrow mottled mudstones with sparse thin sandstones. |
| Thickness: |
Not defined. |
| Geographical Limits: |
Central Wales. |
| Parent Unit: |
Nantmel Mudstones Formation (NTM)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Line of crags on prominent bluff, known as Cefnnantmel, immediately north-west of Nantmel Village. |
| Reference(s): |
| none recorded or not applicable |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E179
|
