| Computer Code: |
FNC |
Preferred Map Code: |
FNC |
| Status Code: |
Full |
| Age range: |
Caradoc Series (O4)
— Caradoc Series (O4) |
| Lithological Description: |
Mudstone (unfossiliferous to date). |
| Definition of Lower Boundary: |
Basal member of the Doularg Formation: succeeds the sandstone, pebbly grit and conglomerate of the Craigmalloch Formation. |
| Definition of Upper Boundary: |
Succeeded by the Gorse Member of the Doularg Formation, consisting of poorly-bedded mudstone with decalcified limestone nodules containing a brachiopod and trilobite fauna. |
| Thickness: |
1.5m seen, possibly up to 4m total. |
| Geographical Limits: |
Girvan area, southwest Scotland. |
| Parent Unit: |
Doularg Formation (DOUL)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Plantation Burn, Doularg Hill, c.1km eastnortheast of Doularg Farm. Ingham and Tripp, 1991. |
| Reference(s): |
| Ingham, J K and Tripp, R P. 1991. The trilobite fauna of the Middle Ordovician Doularg Formation of the Girvan district, Scotland and its palaeoenvironmental significance. Transactions of the Royal Society of Edinburgh, Vol.82 (1), p. 27 - 54. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
