The BGS Lexicon of Named Rock Units — Result Details

Kirkcolm Formation

Computer Code: KKF Preferred Map Code: KKF
Status Code: Full
Age range: Caradoc Series (O4) — Caradoc Series (O4)
Lithological Description: Sandstone/siltstone turbidite sequence.
Definition of Lower Boundary: Rests on Moffat Shale Group.
Definition of Upper Boundary: Faulted (Glenn App Fault/Carcow Fault)
Thickness: c.4500m
Geographical Limits: Southern Uplands of Scotland between Leadhills Fault and Glen App/Carcow Fault).
Parent Unit: Barrhill Group (BRHL)
Previous Name(s): Afton Formation [Obsolete Name And Code: Use KKF] (AFTN)
Butt Hill Member (-4124)
Lochryan Formation (Obsolete Name And Code: Use KKF) (-4125)
Lochryan Formation [Obsolete Name And Code: Use KKF] (LRYN)
Abington Formation (-3499)
Conrig Formation (-1623)
Kirkcolm Group (-1624)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Coast section, west coast of Rhins of Galloway. 
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. 
Kelling, G, 1961. The stratigraphy and structure of the Ordovician rocks of the Rhinns of Galloway. Quarterly Journal of the Geological Society of London, Vol.117, 37-75. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S001 S003 S008 S008 S004 S015 S007 S024 S015