The BGS Lexicon of Named Rock Units — Result Details

Southerness Member

Computer Code: SOLM Preferred Map Code: SOLM
Status Code: Full
Age range: Courceyan Substage (CF) — Arundian Substage (CJ)
Lithological Description: Interbedded fossiliferous marine limestone, mudstone, siltstone with thick beds of bioturbated sandstone and prominant algal horizons.
Definition of Lower Boundary: Not exposed, probably gradational with the Kirkbean Cementstone Formation.
Definition of Upper Boundary: Gradational contact with strata of the Gillfoot Sandstone Formation.
Thickness: >135m
Geographical Limits: Southerness shore, Southerness, Kirkcudbrightshire, south-western Scotland (Southern Uplands).
Parent Unit: Lyne Formation (LYNE)
Previous Name(s): Southerness Limestone Formation (-4895)
Southerness Beds [Obsolete Name And Code: Use SOLM] (SOBS)
Alternative Name(s): none recorded or not applicable
Stratotypes:
Type Section  Coastal section 450m west of Southerness lighthouse, Southerness, Kirlcudbrightshire. 
Type Section  Coastal section 150m north of Southerness lighthouse, Southerness, Kirkcudbrightshire. 
Reference(s):
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 University of Wales, Aberystwyth PhD Thesis (unpublished). 
Craig, G Y. 1956. The Lower Carboniferous outlier of Kirkbean, Kirkcudbrightshire. Transactions of the Geological Society of Glasgow, Vol. 22, 113 - 132. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S006 S005 S006