The BGS Lexicon of Named Rock Units — Result Details

Barrhill Group

Computer Code: BRHL Preferred Map Code: BRHL
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/Carcow Fault).
Thickness: c.3000m
Geographical Limits: Southern Uplands of Scotland between Leadhills and Glenn App/Carcow Faults.
Parent Unit: Leadhills Supergroup (LHG)
Previous Name(s): None: Includes Kirkcolm, Galdenoch And Blackcraig Formations (-4495)
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
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. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S008 S008