| Computer Code: |
DUK |
Preferred Map Code: |
notEntered |
| Status Code: |
Index Level |
| Age range: |
Namurian Stage (CN)
— Namurian Stage (CN) |
| Lithological Description: |
Limestone with a few thin partings of calcareous mudstone. |
| Definition of Lower Boundary: |
none recorded or not applicable
|
| Definition of Upper Boundary: |
none recorded or not applicable
|
| Thickness: |
Maximum of about 13m. |
| Geographical Limits: |
One of the thickest and most persistent limestones in the Dalmellington district of Ayrshire, best development being proven in boreholes near Dunaskin. |
| Parent Unit: |
Upper Limestone Formation (ULGS)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| none recorded or not applicable |
| Reference(s): |
| Simpson, J B and MacGregor, A G. 1932. The economic geology of the Ayrshire coalfields, Area IV. Memoir of the Geological Survey, Scotland. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
