The BGS Lexicon of Named Rock Units — Result Details

Gillfoot Sandstone Member

Computer Code: GISD Preferred Map Code: GISD
Status Code: Full
Age range: Arundian Substage (CJ) — Arundian Substage (CJ)
Lithological Description: Interbedded medium- to coarse-grained sandstone and conglomerate.
Definition of Lower Boundary: Gradational contact with strata of the Southerness Limestone Formation.
Definition of Upper Boundary: Gradational with the Powillimount Sandstone Formation, taken as the top of the uppermost conglomerate associated with reddened strata.
Thickness: 120 to 150m
Geographical Limits: Gillfoot Bay, Southerness, Kirkudbrightshire, south-western Scotland (Southern Uplands).
Parent Unit: Fell Sandstone Formation (FELL)
Previous Name(s): Gillfoot Sandstone Formation (-1560)
Gillfoot Beds [Obsolete Name And Code: Use GISD] (GIB)
Gillfoot Member (-4063)
Alternative Name(s): none recorded or not applicable
Type Section  Gillfoot Bay, Southerness, Kirkcudbrightshire. 
Craig, G Y. 1956. The Lower Carboniferous outlier of Kirkbean, Kirkcudbrightshire. Transactions of the Geological Society of Glasgow, Vol. 22, 113 - 132. 
Deegan, C E. 1970. The petrology and sedimentology of the Lower Carboniferous rocks between White Port and Kirkbean, Kirkcudbrightshire. University of Wales, Aberystwyth PhD Thesis (unpublished). 
Dean, M T, Browne, M A E, Waters, C N and Powell, J H. 2011. A lithostratigraphical framework for the Carboniferous successions of northern Great Britain (onshore). British Geological Survey Research Report, RR/10/007. 165pp. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S006 S005 S006