Computer Code: |
SCAR |
Preferred Map Code: |
SCAR |
Status Code: |
Index Level |
Age range: |
Caradoc Series (O4)
— Ashgill Series (OA) |
Lithological Description: |
[Obsolete: use PPF] Thin-, medium- and thick-bedded greywackes, rich in ferromagnesian minerals, feldspar and andesitic clasts. Poor in quartz. |
Definition of Lower Boundary: |
Faulted by Fardingmullach Fault against Shinnel Formation. |
Definition of Upper Boundary: |
Faulted by Leadhills Fault against Afton 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): |
Portpatrick Formation
|
Stratotypes: |
Type Area |
Scaur Water, 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
|