The BGS Lexicon of Named Rock Units — Result Details

Cairnerzean Formation [Obsolete: use GDF]

Computer Code: CAIZ Preferred Map Code: CAIZ
Status Code: Index Level
Age range: Caradoc Series (O4) — Ashgill Series (OA)
Lithological Description: [Obsolete: use GDF] Thin-, medium- and thick-bedded greywackes and thin shales. Rocks rich in ferromagnesian minerals.
Definition of Lower Boundary: Rests on Lochryan Formation.
Definition of Upper Boundary: Faulted.
Thickness: Not defined.
Geographical Limits: Not defined.
Parent Unit: none recorded or not applicable
Previous Name(s): none recorded or not applicable
Alternative Name(s): Galdenoch Formation
Stratotypes:
Type Area  Cairnerzean Farm, Sheet S3E. 
Reference(s):
Welsh, W. Not published. The Ordovician rocks of northwest Wigtownshire. Ph.D. Thesis, University of Edinburgh, 1964. 
Kelling, G, and Welsh, W. 1970. The Loch Ryan Fault. Scottish Journal of Geology, Vol.6, 266-271. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S003