The BGS Lexicon of Named Rock Units — Result Details

Knockgardner Sandstone Formation

Computer Code: KNG Preferred Map Code: KNG
Status Code: Full
Age range: Telychian Age (ST) — Telychian Age (ST)
Lithological Description: Grey-green, thinly-bedded, sandstones and siltstones, with some thick-bedded massive sandstones.
Definition of Lower Boundary: Conformable on the Blair Shale Formation.
Definition of Upper Boundary: Conformably overlain by the Straiton Grit Formation.
Thickness: From 137 m to 180 m thick.
Geographical Limits: Girvan to Straiton area of south-west Scotland.
Parent Unit: Straiton Subgroup (STNG)
Previous Name(s): Knockgardner Shales (-349)
Knockgardner Formation (-4733)
Alternative Name(s): none recorded or not applicable
Type Section  Shiel Burn, about 500 m north-east of Blair. Cocks and Toghill. 
Cocks, L R M and Toghill, P, 1973. The biostratigraphy of the Silurian rocks of the Girvan District, Scotland. Journal of the Geological Society of London, Vol. 129, 209-243. 
Ingham, J K. 1992. Excursion 30: Girvan Foreshore. 396-416 in Lawson, J D and Weedon, D S (editors), Geological Excursions around Glasgow and Girvan. Geological Society of Glasgow. 
Lapworth, C, 1882. The Girvan Succession. Quarterly Journal of the Geological Society of London, Vol. 38, 537-666. 
Cameron, I B, Stone, P and Smellie, J, 1986. Geology of the Country around Girvan. Explanation of 1:50 000 sheet. British Geological Survey, Sheet 7, Scotland. 
Floyd, J D and Williams, M. 2003. A revised correlation of Silurian rocks in the Girvan district, SW Scotland. Transactions of the Royal Society of Edinburgh: Earth Sciences, Vol. 93 (for 2002), 383-92. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
none recorded or not applicable