| Computer Code: |
BUN |
Preferred Map Code: |
BUN |
| Status Code: |
Full |
| Age range: |
Caradoc Series (O4)
— Caradoc Series (O4) |
| Lithological Description: |
Conglomerate and sandstone. |
| Definition of Lower Boundary: |
Base of conglomerate lithology. This is the youngest conglomerate member in the otherwise mudstone-dominated Balclatchie Formation. |
| Definition of Upper Boundary: |
Overlain by flaggy sandstones and siltstones of the Ardwell Farm Formation of the Ardwell Subgroup. |
| Thickness: |
To 60m |
| Geographical Limits: |
Girvan area, southwest Scotland. |
| Parent Unit: |
Balclatchie Formation (BCH)
|
| Previous Name(s): |
Balclatchie Conglomerate [Obsolete Name And Code: Use BCH]
(BBCG)
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Section in Penwhapple Burn, Girvan, southwest Scotland. Ingham [in Fortey et al., 2000]. |
| Reference(s): |
| Fortey, R A, Harper, D A T, Ingham, J K, Owen, A W, Parkes, M A, Rushton, A W A and Woodcock, N H. 2000. A revised correlation of Ordovician rocks in the British Isles. Geological Society Special Report, No.24. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |
