The BGS Lexicon of Named Rock Units — Result Details

Scar Formation [Obsolete Name And Code: Use PPF]

Computer Code: SCAR Preferred Map Code: SCAR
Status Code: Index Level
Age range: Caradoc Series (O4) — Ashgill Series (OA)
Lithological Description: 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: Leadhills Supergroup (LHG)
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