The BGS Lexicon of Named Rock Units — Result Details

Kirkton Formation

Computer Code: KRK Preferred Map Code: KRK
Status Code: Full
Age range: Abereiddian Stage (O2) — Caradoc Series (O4)
Lithological Description: Chert, red and grey siliceous mudstone with chert nodules.
Definition of Lower Boundary: Overlies Raven Gill Formation.
Definition of Upper Boundary: Is overlain by Glenkiln Shale Formation, Moffat Shale Group.
Thickness: c.120m+
Geographical Limits: Southern Uplands of Scotland.
Parent Unit: Crawford Group (CRFD)
Previous Name(s): Kirkton Beds (-4136)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Reference Section  Stream section, Normangill Burn. 
Reference Section  Stream section, Glencaple Burn. 
Type Section  Pipe line trench, Abington. 
Reference(s):
Floyd, J D, 1996. Lithostratigraphy of the Ordovician rocks in the Southern Uplands: Crawford Group, Moffat Shale Group, Leadhills Supergroup. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol.86, 153-165. 
Hepworth, B C, 1981. Geology of the rocks between Leadhills and Abington, Lanarkshire. University of St.Andrews PhD thesis (unpublished). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S015