| 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
|
| Stratotypes: |
| Partial Type Section |
Cliff and stream section along Dipple Burn to junction with River Spey at Fochabers Bridge. |
| Reference(s): |
| 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
|