Computer Code: |
AFTN |
Preferred Map Code: |
AFTN |
Status Code: |
Index Level |
Age range: |
Caradoc Series (O4)
— Caradoc Series (O4) |
Lithological Description: |
[Obsolete: use KKF] Thin-bedded, medium- to fine-grained greywackes and grey shales; greywackes rich in quartz, poor in ferromagnesian minerals. |
Definition of Lower Boundary: |
Rests on Moffat Shales but is probably diachronous. |
Definition of Upper Boundary: |
Overlain by Blackcraig Formation. |
Thickness: |
> 2000 metres. |
Geographical Limits: |
Not defined. |
Parent Unit: |
none recorded or not applicable
|
Previous Name(s): |
none recorded or not applicable
|
Alternative Name(s): |
Kirkcolm Formation
|
Stratotypes: |
Type Area |
March Burn, Kello Water, Euchan Water, Glen Burn. Sheet S15W. |
Reference(s): |
Floyd, J D, 1982. Stratigraphy of a flysch succession: The Ordovician of West Nithsdale, South West Scotland. Transactions of the Royal Society of Edinburgh, Earth Sciences, Vol.73 (1), p.1-9. |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S015
|