The BGS Lexicon of Named Rock Units — Result Details

Douglas Fireclay Member

Computer Code: DOFC Preferred Map Code: DOFC
Status Code: Full
Age range: Namurian Stage (CN) — Namurian Stage (CN)
Lithological Description: Pale to dark grey seatclay and seatearth, some with high alumina properties.
Definition of Lower Boundary: Generally underlain by fluvial sandstones of the Passage Formation.
Definition of Upper Boundary: Generally overlain by the Troon Volcanic Member of the Passage Formation.
Thickness: Up to 6m
Geographical Limits: Ayrshire.
Parent Unit: Passage Formation (PGP)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Reference Section  Small river cliff at Lynn Glen on the Caaf Water, just south of Dalry, Ayrshire. 
Monro, S K. 1999. Geology of the Irvine District. Memoir of the British Geological Survey, Sheet 22W and part of 21E (Scotland). 
Browne, M A E, Dean, M T, Hall, I H S, McAdam, A D Monro, S K and Chisholm, J I. 1999. A lithostratigraphical framework for the Carboniferous rocks in the Midland Valley of Scotland. British Geological Survey Research Report, RR/99/07. 
1:50K maps on which the lithostratigraphical unit is found, and map code used: