The BGS Lexicon of Named Rock Units — Result Details

Basal Beds Formation (Cumbria)

Computer Code: BABE Preferred Map Code: BB
Status Code: Full
Age range: Courceyan Substage (CF) — Courceyan Substage (CF)
Lithological Description: Conglomerates with minor sandstones and mudstones.
Definition of Lower Boundary: Unconformable base on Skiddaw Group or Eycott Volcanic Group rocks.
Definition of Upper Boundary: Overlain conformably by Dinantian sediments (Orton Group or Chief Limestone Group); locally by Cockermouth Lavas.
Thickness: Up to c.30m.
Geographical Limits: British Geological Sheets 22, 23.
Parent Unit: Not Applicable (-)
Alternative Name(s): none recorded or not applicable
Reference Section  Tommy Gill, Redmain. 
Eastwood T, and others. 1968. Geology of the country around Cockermouth and Caldbeck. Memoir of the Geological Survey of Great Britain, Sheet 23 (England and Wales). 
Mitchell, M, Taylor, B J and Ramsbottom, W H C, 1978. Carboniferous, 168-188 in The geology of the Lake District. Moseley, F (editor). Yorkshire Geological Society Special Publication. No.3. 
Arthurton, R S and Wadge, A J, 1981. Geology of the country around Penrith. Memoir of the Geological Survey of Great Britain. 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
E022 E023 E024 E028 E039