The BGS Lexicon of Named Rock Units — Result Details

Fochabers Sandstone Formation

Computer Code: FOC Preferred Map Code: Foc
Status Code: Full
Age range: Mid Devonian Epoch (DM) — Mid Devonian Epoch (DM)
Lithological Description: Red-bed sandstones with sporadic silty calcareous mudstones with fossil fish-bearing limestones/concretions.
Definition of Lower Boundary: At top of the Spey Conglomerate Formation, the essentially conglomeratic sequence at the base of the Old Red Sandstone succession in the Fochabers area.
Definition of Upper Boundary: At diachronous base of the Findhorn Sandstone Group in the Fochabers area where it is marked by yellow to reddish brown fossiliferous sandstones, containing fish, of the Alves-Scaat Craig Beds.
Thickness: Approximately 100m
Geographical Limits: Not defined.
Parent Unit: Inverness Sandstone Group (INS)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Partial Type Section  Cliff and stream section along Dipple Burn to junction with River Spey at Fochabers Bridge. 
Peacock, J D, Berridge, N G, Harris, A L, May, F. 1968. The geology of the Elgin District. Memoir of the Geological Survey of Scotland. Sheets 86 and 96 (Scotland). (Edinburgh: HMSO). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S085 S095