The BGS Lexicon of Named Rock Units — Result Details

Rascarrel Member

Computer Code: RASC Preferred Map Code: RASC
Status Code: Full
Age range: Arundian Substage (CJ) — Holkerian Substage (CQ)
Lithological Description: Conglomeratic sandstone interbedded with thin beds of marl and siltstone.
Definition of Lower Boundary: Faulted and unconformable contacts with Lower Palaeozoic Ross Formation (Hawick Group). In the Rerrick Outlier the strata are faulted against the Orroland Formation (Lower Carboniferous).
Definition of Upper Boundary: Not seen.
Thickness: >360m
Geographical Limits: Rascarrel Bay (Rerrick Outlier); Castlehill Point to Gutcher's Isle and Portling to Portowarren shores (Colvend Outlier), Kirkcudbrightshire, south-western Scotland (Southern Uplands).
Parent Unit: Fell Sandstone Formation (FELL)
Previous Name(s): Rascarrel Sandstone Formation (-479)
Rascarrel Group (-3632)
Rascarrel Sandstones And Conglomerates (-4284)
Alternative Name(s): none recorded or not applicable
Partial Type Section  Coastal section between Castle Muir Point and Rascarrel Burnfoot, Kirkcudbrightshire. 
Partial Type Section  Coastal section between Castlehill Point and Gutcher's Isle, Kirkcudbrightshire. 
Deegan, C E. 1973. Tectonic control of sedimentation at the margin of a Carboniferous depositional basin in Kirkcudbrightshire. Scottish Journal of Geology, Vol. 9, p. 1 - 28. 
Craig, G Y and Nairn, A E M. 1956. The Lower Carboniferous outliers of the Colvend and Rerrick shores, Kirkcudbrightshire. Geological Magazine, Vol.93, 249-256. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: