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
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