The BGS Lexicon of Named Rock Units — Result Details

Galdenoch Formation

Computer Code: GDF Preferred Map Code: GDF
Status Code: Full
Age range: Caradoc Series (O4) — Caradoc Series (O4)
Lithological Description: Massive wacke and siltstone turbidite sequence.
Definition of Lower Boundary: Interfingers with Kirkcolm Formation.
Definition of Upper Boundary: Interfingers with Kirkcolm Formation.
Thickness: c.500m
Geographical Limits: Southern Uplands of Scotland.
Parent Unit: Barrhill Group (BRHL)
Previous Name(s): Cairnerzean Formation [Obsolete Name And Code: Use GDF] (CAIZ)
Galdenoch Group (-2820)
Alternative Name(s): none recorded or not applicable
Type Section  Cross Water, Barrhill. 
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. 
Stone, P, Floyd, J D, Barnes, R P and Lintern, B C. 1987. A sequential back-arc and foreland basin thrust duplex model for the Southern Uplands of Scotland. Journal of the Geological Society of London, Vol.144, 753-764. 
Kelling, G. 1960. The stratigraphy and structure of the Ordovician rocks of the Rhinns of Galloway. Quarterly Journal of the Geological Society, Vol.117, 37-75. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S001 S003 S008 S008 S004 S015 S024 S015